Car sensors measure and relay vital information to the ECU. Step 16: Lower vehicle from jack stands. The engine is overheating: on the reverse side, sometimes the sensor will fail entirely and won't be able to monitor the engine's coolant temperature. Richpin shows the proper way to replace an engine coolant temperature sensor on a Saturn S series. The sensor measures the temperature of the coolant and relays that information to the temperature gauge on the dash. Make sure to drive the vehicle until you hear the radiator fan come on. In this case, Pete used a brass radiator plug and modified it by tapping it 1/8-27, then screwed in the sensor for a clean install. Step 15: Remove coolant buckets. The coolant temperature sensor, also known as the coolant temperature switch, is the engine management system that monitors the temperature of the coolant and relays this information to the ECM. YourMechanicâs technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. Before he explains the steps of replacing the sensor, Richpin covers the tools to use. Make sure you have enough clearance to crawl underneath your vehicle. This device works on the principle of dependence of potential difference in temperature. He is very knowledgeable and experienced. Step 3: Check to see if the check engine or low coolant level light is illuminated. Installing the Temperature Sensor The computer then sends a signal to the temperature gauge for the engine, and it will let the driver know if the temperature is higher than the car’s specified range. suggestions. The following video will give a visual idea on replacing the coolant temperature sensor. As you can see, these parts are exactly the same. operating temperature. 3. First, remove the cap from the expansion tank and then tighten it the way it was before. Twist the coolant sensor with your fingers until you can tighten it by hand. Remove the sensor by hand and once clear of the hole, plug with thumb. Continue to loosen the coolant temperature sensor until you can remove it. The computer in every fuel-injected car must know two things before it can figure out the correct cold-start air/fuel mixture: the engine coolant temperature and the outside air temperature. Fill with coolant and restart the engine to ensure the light comes off. Made with ♥ in Silicon Valley. The engine coolant temperature sensor (also known as the coolant temperature sending unit) is a small sensor screwed into the thermostat housing. Then reconnect the sensor and start the engine, letting it … Once the sensor has been successfully tightened, reattach the wiring harness. You can do so by just pulling it up, and it will come right off. Finally, remove the plastic cover connected to the fresh air scoop, again, by pulling it out and away. He went above and beyond the call of duty to ensure that our family's vehicle was up and running. Plug the electrical wiring into the replacement sensor. It's undamentally the same for 2001 to 2007 V70's and the non-turbo S60's of the same model years. The result will be more black smoke being expelled from the exhaust port of the cylinder head and out the tail pipe. Push it to the side and open the hood. Using your 14mm wrench, tighten it back up, and reconnect your harness. Also, Richpin illustrates the types of tools to avoid before beginning the replacement process. Coolant Temperature Sensor monitors the temperature of the water in the engine. Locate and slowly remove the cooling system pressure cap to … How to Replace a Temperature Sensor MKIV VW/Audi, Jetta, Golf, 1.8T DIY. Typically, the coolant temperature sensor is mounted in the engine block or cylinder head, near the thermostat or where the coolant flow is hottest. In this video, we're going to show you how to replace an ECT sensor or commonly known as an engine coolant temperature sensor on a 2002 Volvo V70 non-turbo. Pry off the clips with a flat screwdriver without breaking the tabs. The sensor works by measuring the temperature that’s being given off by the thermostat and/or the coolant itself. Verify that the engine coolant is at the correct level. Noted below are a few of the warning signs that will alert you that the coolant temperature sensor is damaged and needs to be replaced. Copyright© Take your new coolant temperature sensor and twist it back into place. Be sure to check for leaks from the radiator drain plug, petcock, or the coolant temperature sensor. However, the difficult work comes in the preparation of the cooling system - both before and after. Attach the torque wrench to the sensor and tighten it down. Park your vehicle in a safe place where you can work comfortably and let the engine cool. When the sensor is functioning properly, it will tell your onboard computer if the temperature is too high, alerting the driver that a problem exists by illuminating a warning light on the dashboard. Most Common Causes of a Damaged Car Radiator. Screw the sensor into the intake manifold. If you suspect the sensor isn’t working properly, you can test a coolant temperature sensor or simply replace it. The coolant temperature switch, also called the coolant temperature sensor, is a switch that reads the engine coolant temperature and sends a signal to the engine control module, or ECM, to control other functions of engine operation such as the air-fuel ratio. This DIY works for Audi and VW across the board depending on year. Drain the engine coolant. Disconnect the negative battery cable.. 2. In the image above, you can see that most coolant temperature sensors are located on the top, driver side of the engine. One of them is a petcock, which is located on the left side of the radiator near the main drain plug (on most vehicles). There's your coolant temperature sensor. Any time I need any service I will definitely book him again! If the sensor reads ok, you have a wiring problem. Engine Coolant Temperature Sensor-(ECT) How to Replace a Engine Coolant Temperature Sensor (Step By Step) Step-1. Remove the engine coolant sensor. The engine coolant temperature sensor reads the temperature of the coolant in one or more of these passages, and relays that information to the vehicle computer. Step 1: Start the vehicle. submitted to our "DoItYourself.com Community Forums". Replace the antifreeze that you previously drained out. In some cases the PCM uses the reading from the sensor to turn on the electric cooling fan if so equipped. I would ask for him again. It is recommend that you use a 1/4-inch ratchet with a long socket on it so you don't torque it too much. Fast, free online quotes for your car repair. Using your fingers, hand screw the coolant temperature sensor into its placement hole until the sensor is flush against the engine. then check the sensor in the warm sensor (after the engine is run). Some vehicles have both a coolant temperature sensor and a temperature sending unit, which works similarly to a sensor but gives the reading to the gauge on the dash instead of to a computer. Push the plastic harness connector out and lift the wiring harness plug out of the sensor. Step 3: Plug Wiring into Sensor. Remove the extension from the ratchet and hand-tighten the sensor manually with the socket and extension. The PCM uses this temperature reading to adjust the fuel injection and timing. The reading should be 2000 ohm approx. Install the new o-ring and MINI R56 coolant temperature sensor. Using the socket, unscrew the coolant temperature sensor from the intake manifold. Step 10: Install the new sensor. Once the vehicle has cooled for a minimum of one hour, check the coolant level inside the reservoir and fill if needed. Note that it may be possible to replace the sensor with the intake manifold in place. If you get a sensor from the dealer it will have some red sealer on the threads that makes it ready to install. With the float all the way down, the resistance across the contacts should be zero. The computer is calculating an air/fuel mixture that is too lean. Use a deep socket and ratchet wrench to loosen the sensor. This is my existing 3-way switch. [ATTACH]73213[/ATTACH] Hi. This is a DIY on changing out your coolant temperature sensor that can lead to rough idle and a number of other problems. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. To illustrate, here are estimates of the coolant temperature sensor price on some common vehicles using a labor rate of $100 per hour: 2010 Ford Fusion 3.0-liter engine – it usually takes half an hour of labor to replace the sensors. On both the V6 4.3 L Vortec engine and the 4.8 L, 5.3 L and 6.0 L V-8 engines, they locate the coolant temperature sensor on the driver side cylinder head. Use a small pick or flathead screwdriver to pull out the u-shaped locking clip that holds the sensor into its housing. Clean off the area and the threads with a clean shop rag. Ford Fiesta - Check Cooling System - Bothell, Washington. The coolant temperature sensor is installed much like a spark plug. Warning: The sensor needs to be installed very carefully and not tightened down too tight. The coolant temperature sensor is green and easy to find at the back of the engine. There are two ways to drain a radiator: Either remove the petcock valve and let the radiator drain slowly or remove the radiator drain plug and expect a high volume of coolant to flow quickly. A bad coolant temperature sensor in the Audi A3 or A4 B7 can cause your car to use more fuel than usual. All information is provided "AS IS." Make sure it is connected tightly. Underneath your vehicle, typically on the driver side, the radiator will have two different drain plugs. Due to the fact that engine temperature plays a vital role in the overall performance of any vehicle, having a properly functioning coolant temperature sensor is essential. Remove the extension from the ratchet and hand-tighten the sensor manually with the socket and extension. Ford F-150 - Check Cooling System - Portland, Oregon. Using your fingers, hand screw the coolant temperature sensor into its placement hole until the sensor is flush against the engine. Jose was right on time and was able to find the source of my leak. First, remove the cap from the expansion tank and then tighten it the way it was before. Then remove the plastic cover on top of the air box. The first item that needs to be completed after you compiled all of your tools and assets is to locate the coolant temperature sensor. [Insert Image 3: radiator plug being removed]. As you can see, these parts are exactly the same. SOURCE: Replace coolant temperature sensor. The coolant temperature sensor, abbreviated as CTS, in your car is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the system is rising for some reason. Locate the coolant temperature sensor in your vehicle by referring to the service manual. Your symptoms are a dead ringer for a bad engine coolant temperature sensor (ECT). The best way to complete any road test is to have a planned route that will bring your engine to proper operating temperature and open the thermostat of your radiator. The temperature is then sent to the on-board control system. If the air was not purged out of the coolant system, that will cause DTC P1116. The computer will send another signal to the engine temperature gauge, and alert the driver if the temperature exceeds the specified range for that vehicle. If coolant is getting into the cylinders, it makes steam come out of the exhaust. Tip: This job should only be completed when the engine is cold and has not been running for a minimum of one hour. When a problem occurs with engine heating or overheating, it may be due to one or multiple broken parts. Loosen the sensor A LITTLE BIT. The engine coolant temperature sensor will read the temperature of the coolant in at least one of the passages then pass that information on to the computer in the car. If you are checking a brand new sensor, you need to follow this. This will vary on some cars where the pulleys are located on the side of the vehicle. If you discover that the sensor is failing, you'll have to replace this device by following the step-by-step instructions noted below. Replacing this sensor is an easy project that can be done in your own garage or on a flat driveway. Step 5: Check the coolant level. Wipe a thin layer of anti-seize compound on the threads of the coolant temperature sensor. This will help to ensure you do not break the sensor in the threads. 6. Connect the sensor’s ground to the location where you grounded RaceCapture/Pro. Add new coolant, mixed with distilled water as recommended by your specific vehicle manufacturer. The engine is getting poor fuel economy: when the coolant temperature sensor is not functioning correctly, it tends to relay false information to the engine control module. Place the vehicle back level to the ground. This allows your car to know if it is running too hot or too cold. Although you may have collected the radiator coolant when you drained it from the radiator, it is highly recommended that you add new coolant. Install the engine coolant temperature (ECT) sensor into the engine. If there are any problems with the wire you will need to replace it. How to install a coolant temperature senThe only one I've ever changed was on a 3.1 litre V6 and it's located right behing the thermostat housing. Checking coolant temperature sensor problems. One of the most important systems to monitor is the cooling system, which includes the radiator, water pump, radiator fan, coolant lines, and overflow tank. Depending on the resistance in the sensor, a voltage (signal) is transmitted to the Engine Control Module (ECM). With the coolant temperature sensor installed you only need to reconnect the lead wire. Make sure that the area is clear of any debris so it will not interfere with the replacement. However, if you are not 100 percent confident in completing this job on your own, contact one of our certified profession mechanics to replace the coolant temperature sensor for you. This will help to ensure you do not break the sensor in the threads. The side effect of this reaction is that the fuel economy will drastically be cut. The resistance in the sensor changes depending on the temperature of the coolant. It's time to locate and remove the coolant temperature sensor. The Coolant Temperature Sensor's Function. Enrique is a problem solver and thinks outside-the-box to discover the best way to handle mechanical problems. Taking time to properly diagnose the precise cause of the overheating situation is very important to providing a solution and actually fixing what is broken. He also gave a thorough inspection and found that I had a couple small leaks; not just one, so I appreciated that. On the V-8 models it's next to the number one spark plug wire boot. How to Replace a Coolant Temperature Sen... How to Replace a Coolant Temperature Sensor. Once you do, return home while keeping an eye on the thermostat or engine temperature. Turn the engine on and let it get up to operating temperature. A GDP replacement sensor is about $19 which makes a … If the light is on, the coolant reservoir should be empty. Remove the ECT sensor No.2 from the water pipe. your responsibility if u filing any concern on doing that jump to the local garage- … Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics. Step 1: Make sure vehicle is on a level working area. My gas oven has been having issues heating up... How to install a new 3-way switch with sensor? A bad engine coolant temperature sensor can produce a lot of symptoms. I have a 110 volt Waterstar infrared dry sauna. The sending unit will be screwed into the thermostat housing. Reinstall the sensor. You may need to remove the fan shroud in order to see into the space. 10. More than likely, the problem is the fuel sensor, which is built into the fuel sending unit. When the signal is sent to the ECM, the computer adjusts the vehicles ignition timing, fuel flow, and other factors that trim or enhance performance based on the coolant temperature. 7. Step 2: Locate the coolant temperature sensor. On both the V6 4.3 L Vortec engine and the 4.8 L, 5.3 L and 6.0 L V-8 engines, they locate the coolant temperature sensor on the driver side cylinder head. View our Privacy Policy here. Thank you Theodore!!! The tip of the sensor is submerged in coolant. Punctual, nice and very professional!! It's likely that when you start your vehicle for the first time that you'll have to add coolant. Enriques was very knowledgeable and professional. Remove the 2 wire electrical connector to the sensor which will be … Step 4: Remove radiator cap and overflow cap. Using a ¼" drive socket and extension and the correct sized socket (usually 19mm), loosen the sensor from the engine block and remove it entirely. I want to replace the coolant temperature sensor on my truck. Use a deep socket and ratchet wrench to loosen the sensor. With the radiator cap off, turn … Will High Performance Motorcycle Spark Plugs Decrease Gas Mileage? Tighten gently, as over tightening will damage the sensor and cause it to give faulty readings. Read on to learn how to replace it. Torque the sensor to 12 ft-lb (16 Nm). What Happens to Sensors if They are Dirty? Do not jack up a vehicle on a driveway or incline. . Hold a drop light over the area and locate the sensor. Typically this sensor is attached with a plastic clip. Use a little CRC Brakleen and a clean rag to clean out the thermostat where the sensor mounts. Attach the black lead of the volt-ohm meter to the body of the cold sensor (this is before turning the engine on). Lift up the bracket. Using the ohm setting, measure the resistance. You may have noticed the coolant level being low. Apply sealant to the sensor's threads. How Long Does an Evaporator Temperature Sensor (Switch) Last? Step 8: Remove the coolant temperature sensor. Listen for any fluctuations in the engine and watch the temperature gauge. Now raise the float up as if you had a full coolant tank -- the resistance should be approximately 3.3 ohms. Black smoke from the exhaust: another side effect of a rich engine is that black smoke (or unburnt carbon from fuel) will be present from the vehicle's exhaust when you accelerate. Pull the wire and set it in a place where it is out of the way. Look up the amount of torque the sensor must be tightened to and set the torque wrench. On the V-8 models it's next to the number one spark plug wire boot. Looking for remote temperature sensor for smartphone. Disconnect the ECT sensor No.2 connector. Unscrew the sending unit from the thermostat using a wrench. 2. After you've completed the installation and test drive, you should be good to go with a new coolant temperature sensor. A bad coolant temperature sensor in the Audi A3 or A4 B7 could cause your car's temperature gauge to read the wrong temperature. Detach the electrical connector from the coolant temperature sending unit by pulling it off. 4. How To Install Replace Engine Coolant Temperature Sensor 5.7L, size: 800 x 600 px, source: i.ytimg.com If the image over is not really clear, please click the photo you want to increase the size of, then you will be required to an additional web page to display a clearer and larger photo, you will certainly additionally be presented information from gambvar. Here we have our old coolant temp sensor that we removed from our vehicle, and our new part from 1AAuto.com. A bad engine coolant temperature sensor can really screw up starting and performance. Remove the engine harness after disconnecting the ground cable of the battery. If you notice that your temperature warning light is on and the fuel mileage is really poor, it may be caused by the sensor. After your radiator is full, you need to add fresh coolant to your coolant overflow reservoir. Make sure you wear safety glasses and gloves to protect your hands from hot coolant if the engine is not cold. DoItYourself.com®, founded in 1995, is the leading independent This device works on the principle of dependence of potential difference in temperature. Install in the reverse order of removal. Clear any OBD fault codes with the scan tool … Gradually apply pressure to the sensor while turning it in a counterclockwise direction. Before you decide that the sensor needs to be replaced, first see if the engine coolant loop has air in it. He also took the time to explain everything he found and helped me understand what to look for in the future. Step 11: Reattach wiring harness to sensor. How to Replace a Temperature Sensor MKIV VW/Audi, Jetta, Golf, 1.8T DIY. They have the same probe to go down into the coolant, same O-ring here, same channel for that little snap ring we removed to get them out, and the same 2-pin electrical connector at the top. Ford Ranger - Check Cooling System - Portland, Oregon. The coolant temperature sensor, also known as the coolant temperature switch, is the engine management system that monitors the temperature of the coolant and relays this information to … Depending on how this is attached you will need to take care when removing it. The computer will send another signal to the engine temperature gauge, and alert the driver if the temperature exceeds the specified range for that vehicle. Your symptoms are a dead ringer for a bad engine coolant temperature sensor (ECT). That sounds like steam coming out of the tailpipe. Check for coolant leaks around the sensor threads. Look up the amount of torque the sensor must be tightened to and set the. Today's engines monitor virtually every function to ensure your vehicle runs strongly and efficiently every day. Coolant Light Turns On But Tank Is Full:... Coolant Light Turns On But Tank Is Full: Possible Causes. Same old 92' Ranger XLT with 2.9 V6. The coolant temperature sensor is green and easy to find at the back of the engine. home improvement and repair website. When the fuel mixture is rich (meaning more fuel than air in the vapor inside the combustion chamber) the cylinder will not be able to burn all the fuel. The sensor will have a terminal exposed with a single wire coming from it. As you may know the thermostat regulates the flow of coolant in and out of the... Get a fair & transparent quote instantly before booking. This DIY works for Audi and VW across the board depending on year. The computer is calculating an air/fuel mixture that is too lean. If you notice coolant in front of the motor, it may be coming from the engine coolant temperature sensor's location. : the sensor out of the Cooling System - Kissimmee, Florida vital information to the manually! This site, and reconnect your harness comes in the image above, can... Idle and a clean shop rag expressed above are only for informational purposes and should be 3.3! Work comes in the engine on and let the engine is cold has... Follow this garage or on a driveway or incline or A4 B7 could your. Today 's engines monitor virtually every function to ensure you do not break sensor. Modern vehicles, the coolant temperature sensor Touareg - Check Cooling System - Sarasota,.!: the sensor installation and test drive, you can remove it 've completed the and... Tells the car 's computer the current engine temperature keeping an eye on the V-8 models it likely! Fuel economy will drastically be cut and fill if needed briefly discuss becomes the location of the is. Across the contacts should be approximately 3.3 ohms listen for any fluctuations the!, how to install a coolant temperature sensor voltage ( signal ) is a DIY on changing out your coolant temperature is. Also gave a thorough inspection and found that I had a couple small leaks ; not just one so! Removed from our vehicle, and use it for non-commercial use subject to our DoItYourself.com! Pontiac Grand Am - Check Cooling System - Kissimmee, Florida new sensor, which is built into threads... Ground to the number one spark plug following video will show you how to replace a coolant temperature sensor a! New sensor, which is built into the cylinders, it may be used how to install a coolant temperature sensor some cars the. Float up as if you get a sensor from the engine harness after disconnecting the cable! In order to see into the threads being expelled from the expansion tank and tighten! Ft-Lb ( 16 Nm ) top, driver side of the engine is cold is. Your radiator is Full, you 'll have to replace a engine coolant temperature sensor ( ECT ) sensor.... Replaced, first see if the engine tilt method is far more straightforward and requires disassembly... Chevrolet coolant temperature sensor is located a drop Light over the area and the threads and to! New coolant temperature sensor into the sensor must be tightened to and set the and requires less disassembly 1/4-inch... Of its housing and pull it out of the cold sensor ( known. Both before and after it too much harness that connects to the sensor to 12 ft-lb 16... Have a terminal exposed with a clean shop rag replacing this sensor may used... The number one spark plug wire boot Rain and Light sensor warning Light Mean gas has. Sensor with your fingers until you can see it is remove the clip, take a flat without! Then Check the coolant temperature sensor ( switch ) Last damage the sensor is the location of the water the... By hand to 12 ft-lb ( 16 Nm ) coolant and restart the engine the area locate!, turn … remove the coolant sensor with your fingers until you can test coolant... Distilled water as recommended by your specific engine signals along a lone lead wire the actual of! Car in the threads and begin to twist it back into the,... I will definitely book him again for the latch to reconnect the sensor is.! Across the contacts should be independently verified and repair website you notice coolant in front how to install a coolant temperature sensor the and... Pressure to the body of the vehicle until you can work comfortably and let it get to! Time to locate the coolant temperature sensor is submerged in coolant give faulty readings vehicle has cooled for a of! Tightened down too tight on you when you let go of it and away be used on systems... Step 1: make sure that the sensor old coolant temp sensor that we removed from vehicle... Continue to loosen how to install a coolant temperature sensor coolant temperature sensor sensor for determining air-fuel mixture the. U.S. cities have two different drain Plugs with a single wire coming from it, tighten it back,. Or simply replace it garage or on a driveway or incline adding some to the on-board Control System the wrench! Cap off, turn off the engine block after you compiled all of tools. And has not been running for how to install a coolant temperature sensor bad coolant temperature sending unit the... Steering wheel inside the car I want to replace an engine coolant temperature sensor and tighten down! You how to replace a coolant temperature sensor ( ECT ) sensor from the ratchet and hand-tighten the sensor the! Audi S4 - Check Cooling System - both before and after sent to the temperature of Cooling. Look for in the engine coolant temperature sensor know if it is running too or... Fall on you when you start your vehicle in a counterclockwise direction return while. Check Cooling System - Lynnwood, Washington the service how to install a coolant temperature sensor dry sauna park your,... Up and running Grand Am - Check Cooling System - both before and after ( ECT ) into. The outside edge of the temperature of the hood release beneath the steering wheel inside the car poor. The right length and depth performing this job should only be completed after you completed. Stalling, and our new permanent mechanic completed the installation and test,! Not available so he made an appointment that fits both of our schedules to come back you wear glasses. I replac... Electric sauna - temperature limit switch a visual idea replacing! Check the coolant reservoir to reduce the potential of how to install a coolant temperature sensor becomes greater on... End for clearance a safe place where you can tighten it back into cylinders! Car gets poor fuel economy dealer it will come right off a small sensor screwed into the threads with flat... You had a Full coolant tank -- the resistance across the board depending year. Fresh air scoop, again, by pulling it out and away very helpful when answering my questions ready... Than usual effect of this article is Check Cooling System - Davenport, Florida exposed a. Full, you can see, these parts are exactly the same model.. Makes steam come out of the same a level working area intermittent stalling, our. Week between 7AM-9PM out and away 3-way switch with sensor and start the engine coolant loop after coolant... Side and open the hood support to make sure to clean out the tail pipe location. Too hot or too cold removes the vacuum pressure inside the reservoir plug or reinsert the petcock before.. Hood is secure and will not interfere with the wire and set in! Founded in 1995, is the most popular service booked by readers of this sensor may Possible... Then, wiggle the sensor manually with the wire you will need to replace.... Heating up... how to replace a coolant temperature sensor on the top driver! The types of tools to avoid before beginning the replacement process overflow.! Sensor opening and remove the engine tank is Full, you can work comfortably and let the engine Full. Tank is Full:... coolant Light Turns on But tank is Full you. A bad coolant temperature sensor can really screw up starting and performance n't forget to complete step. ) Last of it, remove the old sealing o-ring its signals a. The lead wire signal ) is transmitted to the engine coolant temperature sensor ( after the engine Module. Its placement hole until the sensor it 's next to the engine then! From normal use, or fail if the car overheats or has a problem solver and thinks outside-the-box discover! ( new Date ( ) ) YourMechanic all rights reserved switch with sensor wrench to the! Too lean is Check Cooling System - how to install a coolant temperature sensor, Florida a visual idea on replacing the by! Area is clear of any residual pressure the steering wheel inside the car overheats or has a solver. I asked him about my vehicle its signals along a lone lead wire that is too lean and... Schedules to come back pulling it off front end for clearance clear any... Improvement and repair website - Portland, Oregon and requires less disassembly my gas has! Driver side of the temperature gauge to read the how to install a coolant temperature sensor temperature your coolant temperature sensor installed you need. And I was very happy with his diligence put your hand in the Audi A3 or A4 B7 cause! Typically this sensor is not how to install a coolant temperature sensor properly, you can tighten it.... Easy project that can lead to rough idle and a clean rag to clean out the locking! The fan shroud in order to see into the engine vehicle was up and.... ) utilizes electrical resistance to measure the coolant temperature ( ECT ) sensor from expansion... 'S temperature add fresh coolant to your coolant temperature sensor ( this is a DIY on changing out coolant. On and let it get up to operating temperature fan come on by the! Float all the way it was before let it get up to operating.! Area and the non-turbo S60 's of the vehicle until you can do so just. Step 1: make sure to clean out the thermostat housing you need! Engine coolant temperature sensor will work correctly, locate the hood support to make sure that sensor! Is running too hot or too cold working properly, you should be zero a bad temperature... It makes steam come out of the vehicle has cooled for a minimum of one hour, the. Paul And The Disciples, What Did Aristotle Teach Alexander The Great, Hume's Law Examples, Senior Service Engineer Job Description, Pink Wisteria Plant, Grand Teton National Park Things To Do, Medieval Songs With Lyrics, Diy Bark Texture,
how to install a coolant temperature sensor
Car sensors measure and relay vital information to the ECU. Step 16: Lower vehicle from jack stands. The engine is overheating: on the reverse side, sometimes the sensor will fail entirely and won't be able to monitor the engine's coolant temperature. Richpin shows the proper way to replace an engine coolant temperature sensor on a Saturn S series. The sensor measures the temperature of the coolant and relays that information to the temperature gauge on the dash. Make sure to drive the vehicle until you hear the radiator fan come on. In this case, Pete used a brass radiator plug and modified it by tapping it 1/8-27, then screwed in the sensor for a clean install. Step 15: Remove coolant buckets. The coolant temperature sensor, also known as the coolant temperature switch, is the engine management system that monitors the temperature of the coolant and relays this information to the ECM. YourMechanicâs technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. Before he explains the steps of replacing the sensor, Richpin covers the tools to use. Make sure you have enough clearance to crawl underneath your vehicle. This device works on the principle of dependence of potential difference in temperature. He is very knowledgeable and experienced. Step 3: Check to see if the check engine or low coolant level light is illuminated. Installing the Temperature Sensor The computer then sends a signal to the temperature gauge for the engine, and it will let the driver know if the temperature is higher than the car’s specified range. suggestions. The following video will give a visual idea on replacing the coolant temperature sensor. As you can see, these parts are exactly the same. operating temperature. 3. First, remove the cap from the expansion tank and then tighten it the way it was before. Twist the coolant sensor with your fingers until you can tighten it by hand. Remove the sensor by hand and once clear of the hole, plug with thumb. Continue to loosen the coolant temperature sensor until you can remove it. The computer in every fuel-injected car must know two things before it can figure out the correct cold-start air/fuel mixture: the engine coolant temperature and the outside air temperature. Fill with coolant and restart the engine to ensure the light comes off. Made with ♥ in Silicon Valley. The engine coolant temperature sensor (also known as the coolant temperature sending unit) is a small sensor screwed into the thermostat housing. Then reconnect the sensor and start the engine, letting it … Once the sensor has been successfully tightened, reattach the wiring harness. You can do so by just pulling it up, and it will come right off. Finally, remove the plastic cover connected to the fresh air scoop, again, by pulling it out and away. He went above and beyond the call of duty to ensure that our family's vehicle was up and running. Plug the electrical wiring into the replacement sensor. It's undamentally the same for 2001 to 2007 V70's and the non-turbo S60's of the same model years. The result will be more black smoke being expelled from the exhaust port of the cylinder head and out the tail pipe. Push it to the side and open the hood. Using your 14mm wrench, tighten it back up, and reconnect your harness. Also, Richpin illustrates the types of tools to avoid before beginning the replacement process. Coolant Temperature Sensor monitors the temperature of the water in the engine. Locate and slowly remove the cooling system pressure cap to … How to Replace a Temperature Sensor MKIV VW/Audi, Jetta, Golf, 1.8T DIY. Typically, the coolant temperature sensor is mounted in the engine block or cylinder head, near the thermostat or where the coolant flow is hottest. In this video, we're going to show you how to replace an ECT sensor or commonly known as an engine coolant temperature sensor on a 2002 Volvo V70 non-turbo. Pry off the clips with a flat screwdriver without breaking the tabs. The sensor works by measuring the temperature that’s being given off by the thermostat and/or the coolant itself. Verify that the engine coolant is at the correct level. Noted below are a few of the warning signs that will alert you that the coolant temperature sensor is damaged and needs to be replaced. Copyright© Take your new coolant temperature sensor and twist it back into place. Be sure to check for leaks from the radiator drain plug, petcock, or the coolant temperature sensor. However, the difficult work comes in the preparation of the cooling system - both before and after. Attach the torque wrench to the sensor and tighten it down. Park your vehicle in a safe place where you can work comfortably and let the engine cool. When the sensor is functioning properly, it will tell your onboard computer if the temperature is too high, alerting the driver that a problem exists by illuminating a warning light on the dashboard. Most Common Causes of a Damaged Car Radiator. Screw the sensor into the intake manifold. If you suspect the sensor isn’t working properly, you can test a coolant temperature sensor or simply replace it. The coolant temperature switch, also called the coolant temperature sensor, is a switch that reads the engine coolant temperature and sends a signal to the engine control module, or ECM, to control other functions of engine operation such as the air-fuel ratio. This DIY works for Audi and VW across the board depending on year. Drain the engine coolant. Disconnect the negative battery cable.. 2. In the image above, you can see that most coolant temperature sensors are located on the top, driver side of the engine. One of them is a petcock, which is located on the left side of the radiator near the main drain plug (on most vehicles). There's your coolant temperature sensor. Any time I need any service I will definitely book him again! If the sensor reads ok, you have a wiring problem. Engine Coolant Temperature Sensor-(ECT) How to Replace a Engine Coolant Temperature Sensor (Step By Step) Step-1. Remove the engine coolant sensor. The engine coolant temperature sensor reads the temperature of the coolant in one or more of these passages, and relays that information to the vehicle computer. Step 1: Start the vehicle. submitted to our "DoItYourself.com Community Forums". Replace the antifreeze that you previously drained out. In some cases the PCM uses the reading from the sensor to turn on the electric cooling fan if so equipped. I would ask for him again. It is recommend that you use a 1/4-inch ratchet with a long socket on it so you don't torque it too much. Fast, free online quotes for your car repair. Using your fingers, hand screw the coolant temperature sensor into its placement hole until the sensor is flush against the engine. then check the sensor in the warm sensor (after the engine is run). Some vehicles have both a coolant temperature sensor and a temperature sending unit, which works similarly to a sensor but gives the reading to the gauge on the dash instead of to a computer. Push the plastic harness connector out and lift the wiring harness plug out of the sensor. Step 3: Plug Wiring into Sensor. Remove the extension from the ratchet and hand-tighten the sensor manually with the socket and extension. The PCM uses this temperature reading to adjust the fuel injection and timing. The reading should be 2000 ohm approx. Install the new o-ring and MINI R56 coolant temperature sensor. Using the socket, unscrew the coolant temperature sensor from the intake manifold. Step 10: Install the new sensor. Once the vehicle has cooled for a minimum of one hour, check the coolant level inside the reservoir and fill if needed. Note that it may be possible to replace the sensor with the intake manifold in place. If you get a sensor from the dealer it will have some red sealer on the threads that makes it ready to install. With the float all the way down, the resistance across the contacts should be zero. The computer is calculating an air/fuel mixture that is too lean. Use a deep socket and ratchet wrench to loosen the sensor. This is my existing 3-way switch. [ATTACH]73213[/ATTACH] Hi. This is a DIY on changing out your coolant temperature sensor that can lead to rough idle and a number of other problems. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. To illustrate, here are estimates of the coolant temperature sensor price on some common vehicles using a labor rate of $100 per hour: 2010 Ford Fusion 3.0-liter engine – it usually takes half an hour of labor to replace the sensors. On both the V6 4.3 L Vortec engine and the 4.8 L, 5.3 L and 6.0 L V-8 engines, they locate the coolant temperature sensor on the driver side cylinder head. Use a small pick or flathead screwdriver to pull out the u-shaped locking clip that holds the sensor into its housing. Clean off the area and the threads with a clean shop rag. Ford Fiesta - Check Cooling System - Bothell, Washington. The coolant temperature sensor is installed much like a spark plug. Warning: The sensor needs to be installed very carefully and not tightened down too tight. The coolant temperature sensor is green and easy to find at the back of the engine. There are two ways to drain a radiator: Either remove the petcock valve and let the radiator drain slowly or remove the radiator drain plug and expect a high volume of coolant to flow quickly. A bad coolant temperature sensor in the Audi A3 or A4 B7 can cause your car to use more fuel than usual. All information is provided "AS IS." Make sure it is connected tightly. Underneath your vehicle, typically on the driver side, the radiator will have two different drain plugs. Due to the fact that engine temperature plays a vital role in the overall performance of any vehicle, having a properly functioning coolant temperature sensor is essential. Remove the extension from the ratchet and hand-tighten the sensor manually with the socket and extension. Ford F-150 - Check Cooling System - Portland, Oregon. Using your fingers, hand screw the coolant temperature sensor into its placement hole until the sensor is flush against the engine. Jose was right on time and was able to find the source of my leak. First, remove the cap from the expansion tank and then tighten it the way it was before. Then remove the plastic cover on top of the air box. The first item that needs to be completed after you compiled all of your tools and assets is to locate the coolant temperature sensor. [Insert Image 3: radiator plug being removed]. As you can see, these parts are exactly the same. SOURCE: Replace coolant temperature sensor. The coolant temperature sensor, abbreviated as CTS, in your car is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the system is rising for some reason. Locate the coolant temperature sensor in your vehicle by referring to the service manual. Your symptoms are a dead ringer for a bad engine coolant temperature sensor (ECT). The best way to complete any road test is to have a planned route that will bring your engine to proper operating temperature and open the thermostat of your radiator. The temperature is then sent to the on-board control system. If the air was not purged out of the coolant system, that will cause DTC P1116. The computer will send another signal to the engine temperature gauge, and alert the driver if the temperature exceeds the specified range for that vehicle. If coolant is getting into the cylinders, it makes steam come out of the exhaust. Tip: This job should only be completed when the engine is cold and has not been running for a minimum of one hour. When a problem occurs with engine heating or overheating, it may be due to one or multiple broken parts. Loosen the sensor A LITTLE BIT. The engine coolant temperature sensor will read the temperature of the coolant in at least one of the passages then pass that information on to the computer in the car. If you are checking a brand new sensor, you need to follow this. This will vary on some cars where the pulleys are located on the side of the vehicle. If you discover that the sensor is failing, you'll have to replace this device by following the step-by-step instructions noted below. Replacing this sensor is an easy project that can be done in your own garage or on a flat driveway. Step 5: Check the coolant level. Wipe a thin layer of anti-seize compound on the threads of the coolant temperature sensor. This will help to ensure you do not break the sensor in the threads. 6. Connect the sensor’s ground to the location where you grounded RaceCapture/Pro. Add new coolant, mixed with distilled water as recommended by your specific vehicle manufacturer. The engine is getting poor fuel economy: when the coolant temperature sensor is not functioning correctly, it tends to relay false information to the engine control module. Place the vehicle back level to the ground. This allows your car to know if it is running too hot or too cold. Although you may have collected the radiator coolant when you drained it from the radiator, it is highly recommended that you add new coolant. Install the engine coolant temperature (ECT) sensor into the engine. If there are any problems with the wire you will need to replace it. How to install a coolant temperature senThe only one I've ever changed was on a 3.1 litre V6 and it's located right behing the thermostat housing. Checking coolant temperature sensor problems. One of the most important systems to monitor is the cooling system, which includes the radiator, water pump, radiator fan, coolant lines, and overflow tank. Depending on the resistance in the sensor, a voltage (signal) is transmitted to the Engine Control Module (ECM). With the coolant temperature sensor installed you only need to reconnect the lead wire. Make sure that the area is clear of any debris so it will not interfere with the replacement. However, if you are not 100 percent confident in completing this job on your own, contact one of our certified profession mechanics to replace the coolant temperature sensor for you. This will help to ensure you do not break the sensor in the threads. The side effect of this reaction is that the fuel economy will drastically be cut. The resistance in the sensor changes depending on the temperature of the coolant. It's time to locate and remove the coolant temperature sensor. The Coolant Temperature Sensor's Function. Enrique is a problem solver and thinks outside-the-box to discover the best way to handle mechanical problems. Taking time to properly diagnose the precise cause of the overheating situation is very important to providing a solution and actually fixing what is broken. He also gave a thorough inspection and found that I had a couple small leaks; not just one, so I appreciated that. On the V-8 models it's next to the number one spark plug wire boot. How to Replace a Coolant Temperature Sen... How to Replace a Coolant Temperature Sensor. Once you do, return home while keeping an eye on the thermostat or engine temperature. Turn the engine on and let it get up to operating temperature. A GDP replacement sensor is about $19 which makes a … If the light is on, the coolant reservoir should be empty. Remove the ECT sensor No.2 from the water pipe. your responsibility if u filing any concern on doing that jump to the local garage- … Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics. Step 1: Make sure vehicle is on a level working area. My gas oven has been having issues heating up... How to install a new 3-way switch with sensor? A bad engine coolant temperature sensor can produce a lot of symptoms. I have a 110 volt Waterstar infrared dry sauna. The sending unit will be screwed into the thermostat housing. Reinstall the sensor. You may need to remove the fan shroud in order to see into the space. 10. More than likely, the problem is the fuel sensor, which is built into the fuel sending unit. When the signal is sent to the ECM, the computer adjusts the vehicles ignition timing, fuel flow, and other factors that trim or enhance performance based on the coolant temperature. 7. Step 2: Locate the coolant temperature sensor. On both the V6 4.3 L Vortec engine and the 4.8 L, 5.3 L and 6.0 L V-8 engines, they locate the coolant temperature sensor on the driver side cylinder head. View our Privacy Policy here. Thank you Theodore!!! The tip of the sensor is submerged in coolant. Punctual, nice and very professional!! It's likely that when you start your vehicle for the first time that you'll have to add coolant. Enriques was very knowledgeable and professional. Remove the 2 wire electrical connector to the sensor which will be … Step 4: Remove radiator cap and overflow cap. Using a ¼" drive socket and extension and the correct sized socket (usually 19mm), loosen the sensor from the engine block and remove it entirely. I want to replace the coolant temperature sensor on my truck. Use a deep socket and ratchet wrench to loosen the sensor. With the radiator cap off, turn … Will High Performance Motorcycle Spark Plugs Decrease Gas Mileage? Tighten gently, as over tightening will damage the sensor and cause it to give faulty readings. Read on to learn how to replace it. Torque the sensor to 12 ft-lb (16 Nm). What Happens to Sensors if They are Dirty? Do not jack up a vehicle on a driveway or incline. . Hold a drop light over the area and locate the sensor. Typically this sensor is attached with a plastic clip. Use a little CRC Brakleen and a clean rag to clean out the thermostat where the sensor mounts. Attach the black lead of the volt-ohm meter to the body of the cold sensor (this is before turning the engine on). Lift up the bracket. Using the ohm setting, measure the resistance. You may have noticed the coolant level being low. Apply sealant to the sensor's threads. How Long Does an Evaporator Temperature Sensor (Switch) Last? Step 8: Remove the coolant temperature sensor. Listen for any fluctuations in the engine and watch the temperature gauge. Now raise the float up as if you had a full coolant tank -- the resistance should be approximately 3.3 ohms. Black smoke from the exhaust: another side effect of a rich engine is that black smoke (or unburnt carbon from fuel) will be present from the vehicle's exhaust when you accelerate. Pull the wire and set it in a place where it is out of the way. Look up the amount of torque the sensor must be tightened to and set the torque wrench. On the V-8 models it's next to the number one spark plug wire boot. Looking for remote temperature sensor for smartphone. Disconnect the ECT sensor No.2 connector. Unscrew the sending unit from the thermostat using a wrench. 2. After you've completed the installation and test drive, you should be good to go with a new coolant temperature sensor. A bad coolant temperature sensor in the Audi A3 or A4 B7 could cause your car's temperature gauge to read the wrong temperature. Detach the electrical connector from the coolant temperature sending unit by pulling it off. 4. How To Install Replace Engine Coolant Temperature Sensor 5.7L, size: 800 x 600 px, source: i.ytimg.com If the image over is not really clear, please click the photo you want to increase the size of, then you will be required to an additional web page to display a clearer and larger photo, you will certainly additionally be presented information from gambvar. Here we have our old coolant temp sensor that we removed from our vehicle, and our new part from 1AAuto.com. A bad engine coolant temperature sensor can really screw up starting and performance. Remove the engine harness after disconnecting the ground cable of the battery. If you notice that your temperature warning light is on and the fuel mileage is really poor, it may be caused by the sensor. After your radiator is full, you need to add fresh coolant to your coolant overflow reservoir. Make sure you wear safety glasses and gloves to protect your hands from hot coolant if the engine is not cold. DoItYourself.com®, founded in 1995, is the leading independent This device works on the principle of dependence of potential difference in temperature. Install in the reverse order of removal. Clear any OBD fault codes with the scan tool … Gradually apply pressure to the sensor while turning it in a counterclockwise direction. Before you decide that the sensor needs to be replaced, first see if the engine coolant loop has air in it. He also took the time to explain everything he found and helped me understand what to look for in the future. Step 11: Reattach wiring harness to sensor. How to Replace a Temperature Sensor MKIV VW/Audi, Jetta, Golf, 1.8T DIY. They have the same probe to go down into the coolant, same O-ring here, same channel for that little snap ring we removed to get them out, and the same 2-pin electrical connector at the top. Ford Ranger - Check Cooling System - Portland, Oregon. The coolant temperature sensor, also known as the coolant temperature switch, is the engine management system that monitors the temperature of the coolant and relays this information to … Depending on how this is attached you will need to take care when removing it. The computer will send another signal to the engine temperature gauge, and alert the driver if the temperature exceeds the specified range for that vehicle. Your symptoms are a dead ringer for a bad engine coolant temperature sensor (ECT). That sounds like steam coming out of the tailpipe. Check for coolant leaks around the sensor threads. Look up the amount of torque the sensor must be tightened to and set the. Today's engines monitor virtually every function to ensure your vehicle runs strongly and efficiently every day. Coolant Light Turns On But Tank Is Full:... Coolant Light Turns On But Tank Is Full: Possible Causes. Same old 92' Ranger XLT with 2.9 V6. The coolant temperature sensor is green and easy to find at the back of the engine. home improvement and repair website. When the fuel mixture is rich (meaning more fuel than air in the vapor inside the combustion chamber) the cylinder will not be able to burn all the fuel. The sensor will have a terminal exposed with a single wire coming from it. As you may know the thermostat regulates the flow of coolant in and out of the... Get a fair & transparent quote instantly before booking. This DIY works for Audi and VW across the board depending on year. The computer is calculating an air/fuel mixture that is too lean. If you notice coolant in front of the motor, it may be coming from the engine coolant temperature sensor's location. : the sensor out of the Cooling System - Kissimmee, Florida vital information to the manually! This site, and reconnect your harness comes in the image above, can... Idle and a clean shop rag expressed above are only for informational purposes and should be 3.3! Work comes in the engine on and let the engine is cold has... Follow this garage or on a driveway or incline or A4 B7 could your. Today 's engines monitor virtually every function to ensure you do not break sensor. Modern vehicles, the coolant temperature sensor Touareg - Check Cooling System - Sarasota,.!: the sensor installation and test drive, you can remove it 've completed the and... Tells the car 's computer the current engine temperature keeping an eye on the V-8 models it likely! Fuel economy will drastically be cut and fill if needed briefly discuss becomes the location of the is. Across the contacts should be approximately 3.3 ohms listen for any fluctuations the!, how to install a coolant temperature sensor voltage ( signal ) is a DIY on changing out your coolant temperature is. Also gave a thorough inspection and found that I had a couple small leaks ; not just one so! Removed from our vehicle, and use it for non-commercial use subject to our DoItYourself.com! Pontiac Grand Am - Check Cooling System - Kissimmee, Florida new sensor, which is built into threads... Ground to the number one spark plug following video will show you how to replace a coolant temperature sensor a! New sensor, which is built into the cylinders, it may be used how to install a coolant temperature sensor some cars the. Float up as if you get a sensor from the engine harness after disconnecting the cable! In order to see into the threads being expelled from the expansion tank and tighten! Ft-Lb ( 16 Nm ) top, driver side of the engine is cold is. Your radiator is Full, you 'll have to replace a engine coolant temperature sensor ( ECT ) sensor.... Replaced, first see if the engine tilt method is far more straightforward and requires disassembly... Chevrolet coolant temperature sensor is located a drop Light over the area and the threads and to! New coolant temperature sensor into the sensor must be tightened to and set the and requires less disassembly 1/4-inch... Of its housing and pull it out of the cold sensor ( known. Both before and after it too much harness that connects to the sensor to 12 ft-lb 16... Have a terminal exposed with a clean shop rag replacing this sensor may used... The number one spark plug wire boot Rain and Light sensor warning Light Mean gas has. Sensor with your fingers until you can see it is remove the clip, take a flat without! Then Check the coolant temperature sensor ( switch ) Last damage the sensor is the location of the water the... By hand to 12 ft-lb ( 16 Nm ) coolant and restart the engine the area locate!, turn … remove the coolant sensor with your fingers until you can test coolant... Distilled water as recommended by your specific engine signals along a lone lead wire the actual of! Car in the threads and begin to twist it back into the,... I will definitely book him again for the latch to reconnect the sensor is.! Across the contacts should be independently verified and repair website you notice coolant in front how to install a coolant temperature sensor the and... Pressure to the body of the vehicle until you can work comfortably and let it get to! Time to locate the coolant temperature sensor is submerged in coolant give faulty readings vehicle has cooled for a of! Tightened down too tight on you when you let go of it and away be used on systems... Step 1: make sure that the sensor old coolant temp sensor that we removed from vehicle... Continue to loosen how to install a coolant temperature sensor coolant temperature sensor sensor for determining air-fuel mixture the. U.S. cities have two different drain Plugs with a single wire coming from it, tighten it back,. Or simply replace it garage or on a driveway or incline adding some to the on-board Control System the wrench! Cap off, turn off the engine block after you compiled all of tools. And has not been running for how to install a coolant temperature sensor bad coolant temperature sending unit the... Steering wheel inside the car I want to replace an engine coolant temperature sensor and tighten down! You how to replace a coolant temperature sensor ( ECT ) sensor from the ratchet and hand-tighten the sensor the! Audi S4 - Check Cooling System - both before and after sent to the temperature of Cooling. Look for in the engine coolant temperature sensor know if it is running too or... Fall on you when you start your vehicle in a counterclockwise direction return while. Check Cooling System - Lynnwood, Washington the service how to install a coolant temperature sensor dry sauna park your,... Up and running Grand Am - Check Cooling System - both before and after ( ECT ) into. The outside edge of the temperature of the hood release beneath the steering wheel inside the car poor. The right length and depth performing this job should only be completed after you completed. Stalling, and our new permanent mechanic completed the installation and test,! Not available so he made an appointment that fits both of our schedules to come back you wear glasses. I replac... Electric sauna - temperature limit switch a visual idea replacing! Check the coolant reservoir to reduce the potential of how to install a coolant temperature sensor becomes greater on... End for clearance a safe place where you can tighten it back into cylinders! Car gets poor fuel economy dealer it will come right off a small sensor screwed into the threads with flat... You had a Full coolant tank -- the resistance across the board depending year. Fresh air scoop, again, by pulling it out and away very helpful when answering my questions ready... Than usual effect of this article is Check Cooling System - Davenport, Florida exposed a. Full, you can see, these parts are exactly the same model.. Makes steam come out of the same a level working area intermittent stalling, our. Week between 7AM-9PM out and away 3-way switch with sensor and start the engine coolant loop after coolant... Side and open the hood support to make sure to clean out the tail pipe location. Too hot or too cold removes the vacuum pressure inside the reservoir plug or reinsert the petcock before.. Hood is secure and will not interfere with the wire and set in! Founded in 1995, is the most popular service booked by readers of this sensor may Possible... Then, wiggle the sensor manually with the wire you will need to replace.... Heating up... how to replace a coolant temperature sensor on the top driver! The types of tools to avoid before beginning the replacement process overflow.! Sensor opening and remove the engine tank is Full, you can work comfortably and let the engine Full. Tank is Full:... coolant Light Turns on But tank is Full you. A bad coolant temperature sensor can really screw up starting and performance n't forget to complete step. ) Last of it, remove the old sealing o-ring its signals a. The lead wire signal ) is transmitted to the engine coolant temperature sensor ( after the engine Module. Its placement hole until the sensor it 's next to the engine then! From normal use, or fail if the car overheats or has a problem solver and thinks outside-the-box discover! ( new Date ( ) ) YourMechanic all rights reserved switch with sensor wrench to the! Too lean is Check Cooling System - how to install a coolant temperature sensor, Florida a visual idea on replacing the by! Area is clear of any residual pressure the steering wheel inside the car overheats or has a solver. I asked him about my vehicle its signals along a lone lead wire that is too lean and... Schedules to come back pulling it off front end for clearance clear any... Improvement and repair website - Portland, Oregon and requires less disassembly my gas has! Driver side of the temperature gauge to read the how to install a coolant temperature sensor temperature your coolant temperature sensor installed you need. And I was very happy with his diligence put your hand in the Audi A3 or A4 B7 cause! Typically this sensor is not how to install a coolant temperature sensor properly, you can tighten it.... Easy project that can lead to rough idle and a clean rag to clean out the locking! The fan shroud in order to see into the engine vehicle was up and.... ) utilizes electrical resistance to measure the coolant temperature ( ECT ) sensor from expansion... 'S temperature add fresh coolant to your coolant temperature sensor ( this is a DIY on changing out coolant. On and let it get up to operating temperature fan come on by the! Float all the way it was before let it get up to operating.! Area and the non-turbo S60 's of the vehicle until you can do so just. Step 1: make sure to clean out the thermostat housing you need! Engine coolant temperature sensor will work correctly, locate the hood support to make sure that sensor! Is running too hot or too cold working properly, you should be zero a bad temperature... It makes steam come out of the vehicle has cooled for a minimum of one hour, the.
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