A bad coolant temperature sensor in the Audi A3 or A4 B7 can cause your car to use more fuel than usual. He did a great job and I was very happy with his diligence. A bad engine coolant temperature sensor can really screw up starting and performance. 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. We welcome your comments and He went above and beyond the call of duty to ensure that our family's vehicle was up and running. 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. Please see our, Volkswagen Touareg - Check Cooling System - Lynnwood, Washington. Amazing customer service and super helpful. your responsibility if u filing any concern on doing that jump to the local garage- … If the Coolant Light stays on permanently, there is low coolant, or the engine is overheating, you may have to replace the coolant level sensor. Ford F-150 - Check Cooling System - Portland, Oregon. This is my existing 3-way switch. Step 13: Add radiator coolant. This is a DIY on changing out your coolant temperature sensor that can lead to rough idle and a number of other problems. Refill the engine coolant.. ECT Sensor No.2. Gradually apply pressure to the sensor while turning it in a counterclockwise direction. Install the engine coolant temperature (ECT) sensor into the engine. Step 3: Jack the front end for clearance. Remove the coolant sensor from the reservoir tank. Connect the digital multi-meter to the coolant temperature sensor by connecting the red probe to the terminal end of the coolant temperature sensor and the black probe to the solid grounding. LEARN MORE. The PCM uses this temperature reading to adjust the fuel injection and timing. Let it warm up to operating temperature. 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. Fill with coolant and restart the engine to ensure the light comes off. Steps required to change the coolant temperature sensor on an Audi/VW 1.8t engine: Step 1: Remove the old coolant temperature sensor. This device works on the principle of dependence of potential difference in temperature. Richpin shows the proper way to replace an engine coolant temperature sensor on a Saturn S series. First, remove the engine cover by removing the four Phillips screws holding it in place. Enriques was very knowledgeable and professional. 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. Engine Coolant Temperature Sensor-(ECT) How to Replace a Engine Coolant Temperature Sensor (Step By Step) Step-1. That sounds like steam coming out of the tailpipe. Look up the amount of torque the sensor must be tightened to and set the. Coolant gauge starts in high range upon start. 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. 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. Put a 14mm wrench on, counterclockwise, and it should come right out. Using a pair of long nose pliers, grasp the MINI R56 coolant temperature sensor and pull it out of the thermostat. The sending unit will be screwed into the thermostat housing. 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. On a cold engine, grab a multimeter and connect it to the terminals on the back of the sensor where the electrical connector plugs in (see step-by-step below). COOLANT TEMPERATURE SENSOR REPLACEMENT REMOVAL 1. Step 14: Add coolant to coolant reservoir. How to install a coolant temperature sen The only one I've ever changed was on a 3.1 litre V6 and it's located right behing the thermostat housing. He got the job completed very efficiently. 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. Next, put your hand in the gap under the center of the hood to feel for the latch. Apply sealant to the sensor's threads. When a problem occurs with engine heating or overheating, it may be due to one or multiple broken parts. This removes the vacuum pressure inside the coolant system allowing you to drain the radiator fluid so you can replace the coolant temperature sensor. All information is provided "AS IS." This will ensure you don't forget to complete this step before adding more coolant once the coolant temperature sensor has been replaced. Make sure to clean the sensor's insert area before you reinstall the temperature sensor. All rights reserved. Step 1: Start the vehicle. DTC P0125 : Check Engine Coolant Level This DTC indicates ECT sensor has not reached the required temperature level to enter closed loop operating conditions … If the light is on, the coolant reservoir should be empty. This will help to ensure you do not break the sensor in the threads. He also gave a thorough inspection and found that I had a couple small leaks; not just one, so I appreciated that. However, the sensor is still located amongst the pulley system. The coolant temperature sensor is green and easy to find at the back of the engine. In some cases the PCM uses the reading from the sensor to turn on the electric cooling fan if so equipped. The first item that needs to be completed after you compiled all of your tools and assets is to locate the coolant temperature sensor. More than one coolant temperature sensor may be used on some systems to determine the temperature in different locations. The sensor measures the temperature of the coolant and relays that information to the temperature gauge on the dash. 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. How to Install a Coolant Temperature Sensor. Torque the sensor to 12 ft-lb (16 Nm). Punctual, nice and very professional!! If coolant is getting into the cylinders, it makes steam come out of the exhaust. To Install: Apply thread sealer P/N 12346004 or equivalent to the engine coolant temperature (ECT) sensor threads. Plug the electrical wiring into the replacement sensor. Use the hood support to make sure that the hood is secure and will not fall on you when you let go of it. The switch may have failed if the car gets poor fuel economy. Step 1 - Open Car Hood. Step 1: Make sure vehicle is on a level working area. suggestions. Thanks so much!! Connect the sensor’s ground to the location where you grounded RaceCapture/Pro. Take your new coolant temperature sensor and twist it back into place. One of them is a petcock, which is located on the left side of the radiator near the main drain plug (on most vehicles). . Enrique is extremely friendly and honest. I would ask for him again. Remove the engine harness after disconnecting the ground cable of the battery. Be proactive by adding some to the coolant reservoir to reduce the potential of air bubbles in the coolant lines. 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. Refill the engine coolant.. Car sensors measure and relay vital information to the ECU. Locate and slowly remove the cooling system pressure cap to … The tip of the sensor is submerged in coolant. Step 15: Remove coolant buckets. Detach the electrical connector from the coolant temperature sending unit by pulling it off. 2. Unscrew the sending unit from the thermostat using a wrench. Hold a drop light over the area and locate the sensor. I have previously posted on how to get air out of the engine coolant loop after replacing coolant. Step 4: Remove radiator cap and overflow cap. 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. Step 8: Remove the coolant temperature sensor. It's undamentally the same for 2001 to 2007 V70's and the non-turbo S60's of the same model years. Thank you for asking about your 2006 GMC Sierra 1500 HD. This assembly is mounted in the gas tank. More than likely, the problem is the fuel sensor, which is built into the fuel sending unit. Make sure the end of the wire is clean and plug it back into the terminal end of the sensor. What Does the Rain and Light Sensor Warning Light Mean? The computer is calculating an air/fuel mixture that is too lean. When I replac... Electric sauna - temperature limit switch? How to Replace a Temperature Sensor MKIV VW/Audi, Jetta, Golf, 1.8T DIY. 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. [Insert Image 3: radiator plug being removed]. Ford Ranger - Check Cooling System - Portland, Oregon. Park your vehicle in a safe place where you can work comfortably and let the engine cool. Can anyone identify the temp sensor on this board. On the V-8 models it's next to the number one spark plug wire boot. Step 7: Remove electronic harness from the temperature sensor. 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. The resistance in the sensor changes depending on the temperature of the coolant. The sensor works by measuring the temperature that’s being given off by the thermostat and/or the coolant itself. 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. 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. INSTALLATION 1. To remove the clip, take a flat head screwdriver and slowly pry the clip from the outside edge of the temperature sensor. 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. Disconnect the ECT sensor No.2 connector. 3. As you can see, these parts are exactly the same. Tip: This job should only be completed when the engine is cold and has not been running for a minimum of one hour. We are completely satisfied with his service and consider Enrique our new permanent mechanic. Tighten it … operating temperature. As you can see, these parts are exactly the same. Twist the coolant sensor with your fingers until you can tighten it by hand. A bad engine coolant temperature sensor can produce a lot of symptoms. This allows your car to know if it is running too hot or too cold. Replace any other parts you had to disassemble. This will vary on some cars where the pulleys are located on the side of the vehicle. Once you're radiator has been drained, make sure to replace your drain plug or reinsert the petcock before proceeding. 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. Make sure to drive the vehicle until you hear the radiator fan come on. If the sensor reads ok, you have a wiring problem. Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. On the V-8 models it's next to the number one spark plug wire boot. 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. With the coolant temperature sensor installed you only need to reconnect the lead wire. Continue to loosen the coolant temperature sensor until you can remove it. home improvement and repair website. The engine coolant temperature sensor (also known as the coolant temperature sending unit) is a small sensor screwed into the thermostat housing. Then, wiggle the sensor out of its housing and pull it up so you can see it. Within a few minutes of engine startup, however, the oxygen (Lambda) sensor is hot enough to provide reliable data and IT becomes the most important sensor. This in turn triggers the ECM to either add more fuel or reduce air mixture to create a “rich” situation, designed to cool the cylinders and reduce the potential of overheating. Make sure you consult with your manufacturer or purchase a service manual for the make and model of your vehicle for precise location and instructions. Attach the black lead of the volt-ohm meter to the body of the cold sensor (this is before turning the engine on). Step 2: Check for leaks. Before he explains the steps of replacing the sensor, Richpin covers the tools to use. Remove the extension from the ratchet and hand-tighten the sensor manually with the socket and extension. In some cases, dirt, debris, and other particles will impact the function of the coolant temperature sensor, so you want to make sure you have a clean area before installing the new one. This is a DIY on changing out your coolant temperature sensor that can lead to rough idle and a number of other problems. How to Replace a Coolant Temperature Sen... How to Replace a Coolant Temperature Sensor. to this site, and use it for non-commercial use subject to our terms of use. After you've completed the installation and test drive, you should be good to go with a new coolant temperature sensor. Also, Richpin illustrates the types of tools to avoid before beginning the replacement process. 6. Listen for any fluctuations in the engine and watch the temperature gauge. Enrique is a problem solver and thinks outside-the-box to discover the best way to handle mechanical problems. Then reconnect the sensor and start the engine, letting it … Depending on the resistance in the sensor, a voltage (signal) is transmitted to the Engine Control Module (ECM). The actual process of replacing the coolant temperature sensor is extremely simple. Use a little CRC Brakleen and a clean rag to clean out the thermostat where the sensor mounts. Turn the engine on and let it get up to operating temperature. Make sure it is connected tightly. As you may know the thermostat regulates the flow of coolant in and out of the... Get a fair & transparent quote instantly before booking. Finally, remove the plastic cover connected to the fresh air scoop, again, by pulling it out and away. Replacing this sensor is an easy project that can be done in your own garage or on a flat driveway. Questions of a Do It Yourself nature should be © Set the new sensor into the threads and begin to twist it by hand. Wipe a thin layer of anti-seize compound on the threads of the coolant temperature sensor. The temperature is then sent to the on-board control system. 5. The sensor sends its signals along a lone lead wire that is located at the top of the terminal. How Long Does an Evaporator Temperature Sensor (Switch) Last? He also explained everything very well. Twist the coolant sensor with your fingers until you can tighten it by hand. If you notice coolant in front of the motor, it may be coming from the engine coolant temperature sensor's location. Same old 92' Ranger XLT with 2.9 V6. However, the location of this sensor may be different with your specific engine. Since you'll be underneath the car and the potential of coolant hitting your face is high, it may be a good idea to wear a safety shield to protect your face. On a newer car, locate the hood release beneath the steering wheel inside the car. Step 9: Clean the hole where the sensor is located. Looking for socket with just the right length and depth. Install the new o-ring and MINI R56 coolant temperature sensor. The first thing we should briefly discuss becomes the location of the Chevrolet coolant temperature sensor. Mercedes-Benz S550 - Check Cooling System - Davenport, Florida. Test engine coolant temperature sensor How to test a coolant temperature sensor. Attach the torque wrench to the sensor and tighten it down. Replace the antifreeze that you previously drained out. The result will be more black smoke being expelled from the exhaust port of the cylinder head and out the tail pipe. Locate the coolant temperature sensor in your vehicle by referring to the service manual. coolant temperature sensor threads into a coolant pipe near the coolant outlet.look at small coolant pipes at radiator.you will see a sensor with wires connecting to it.with coolant coolant hoses connected to it.coolant temperature sensor is between two coolant hoses cant miss it.you have to squeeze claps on hoses with pliers in order to remove hoses from coolant sensor. submitted to our "DoItYourself.com Community Forums". Pontiac Grand Am - Check Cooling System - Kissimmee, Florida. On a newer car, locate the hood release beneath the steering wheel inside the car. Step 3: Plug Wiring into Sensor. Since you need to jack the front end up and will be placing the front end on jack stands, make sure your vehicle in on a flat surface. Warning: The sensor needs to be installed very carefully and not tightened down too tight. A bad coolant temperature sensor in the Audi A3 or A4 B7 could cause your car's temperature gauge to read the wrong temperature. Step 5: Drain the radiator. Screw the sensor into the intake manifold. Step 5: Check the coolant level. The sensor will have a terminal exposed with a single wire coming from it. 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. 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. Today's engines monitor virtually every function to ensure your vehicle runs strongly and efficiently every day. 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. Conversely, the workspace is much tighter. Once the vehicle has been raised and you've opened the hood, the next step is to remove the radiator cap and coolant reservoir cap. Step 3 - Remove Lead Wire from Terminal. Your symptoms are a dead ringer for a bad engine coolant temperature sensor (ECT). The coolant temperature sensor is green and easy to find at the back of the engine. This video will show you how to replace the engine coolant temp sensor in a Saturn S-Series car. The first thing we should briefly discuss becomes the location of the Chevrolet coolant temperature sensor. Coolant is leaking under the motor: it's also common for the coolant temperature sensor to become loose and cause engine coolant to leak from under the motor. The Coolant Temperature Sensor's Function. Remove the 2 wire electrical connector to the sensor which will be … In today's modern vehicles, the coolant temperature sensor is what tells the car's computer the current engine temperature. The side effect of this reaction is that the fuel economy will drastically be cut. Looking for remote temperature sensor for smartphone. Any time I need any service I will definitely book him again! Gradually apply pressure to the sensor while turning it in a counterclockwise direction. This can be done by driving your front end onto ramps or jacking up the front end and placing the jack stands underneath for safety. The computer is calculating an air/fuel mixture that is too lean. Once the vehicle has cooled for a minimum of one hour, check the coolant level inside the reservoir and fill if needed. Loosen the sensor A LITTLE BIT. The coolant temperature sensor is located on the front of the engine block. Disconnect the negative battery cable.. 2. 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. Then remove the plastic cover on top of the air box. 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. [ATTACH]73213[/ATTACH] Hi. Engine Coolant Temperature Sensor-(ECT) How to Replace a Engine Coolant Temperature Sensor (Step By Step) Step-1. Step 2 - Locate Coolant Temperature Sensor. The coolant system on today's cars, trucks, and SUV's is comprised of multiple components that work together to keep your engine running well. Replace … Make sure you have enough clearance to crawl underneath your vehicle. Fast, free online quotes for your car repair. 10. If it is, turn off the engine and check the coolant level inside the reservoir. Wiring. Copyright© Common signs of a faulty crankshaft position sensor include issues starting the vehicle, intermittent stalling, and the Check Engine Light coming on. This may be related to a few different things such as a bad thermostat, a failing coolant fan relay, or a blown head gasket. Need help identifying temperature sensor. The engine coolant temp sensor is THE most important sensor for determining air-fuel mixture when the engine is cold. The reading should be 2000 ohm approx. Once the sensor has been successfully tightened, reattach the wiring harness. 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. Verify that the engine coolant is at the correct level. 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. Reinstall the sensor. Checking coolant temperature sensor problems. Typically, the coolant temperature sensor is mounted in the engine block or cylinder head, near the thermostat or where the coolant flow is hottest. Now raise the float up as if you had a full coolant tank -- the resistance should be approximately 3.3 ohms. Using your fingers, hand screw the coolant temperature sensor into its placement hole until the sensor is flush against the engine. Step 11: Reattach wiring harness to sensor. Here is the location of the coolant temperature sensor on the Cayenne S/Turbo (green arrow). 1. 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. Use a small pick or flathead screwdriver to pull out the u-shaped locking clip that holds the sensor into its housing. Pry off the clips with a flat screwdriver without breaking the tabs. Read on to learn how to replace it. Richpin shows the proper way to replace an engine coolant temperature sensor on a Saturn S series. 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. 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. Push the plastic harness connector out and lift the wiring harness plug out of the sensor. Also, Richpin illustrates the types of tools to avoid before beginning the replacement process. If you are checking a brand new sensor, you need to follow this. Symptoms of Coolant Temperature Sensor Failure. Coolant will start to leak soon, and you need to be ready with the new sensor and a spare thumb to block the flow. Install in the reverse order of removal. 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. First, remove the cap from the expansion tank and then tighten it the way it was before. 2. A GDP replacement sensor is about $19 which makes a … This DIY works for Audi and VW across the board depending on year. Do not jack up a vehicle on a driveway or incline. He needed parts that were not available so he made an appointment that fits both of our schedules to come back. Engine coolant temperature sensor removal and installation Remove the engine coolant temperature (ECT) sensor from the engine. I want to replace the coolant temperature sensor on my truck. Use a deep socket and ratchet wrench to loosen the sensor. Step 2: Locate the coolant temperature sensor. Check for coolant leaks around the sensor threads. Before you decide that the sensor needs to be replaced, first see if the engine coolant loop has air in it. You may need to remove the fan shroud in order to see into the space. This DIY works for Audi and VW across the board depending on year. Remove the Electrical Connector. Jose called and was able to come early. Here we have our old coolant temp sensor that we removed from our vehicle, and our new part from 1AAuto.com. Typically this sensor is attached with a plastic clip. Ok - this one has me stumped. The first thing is remove the electronic harness that connects to the sensor. Installing the Temperature Sensor hello. Step 4: Test drive 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. Pull the wire and set it in a place where it is out of the way. You discover that the sensor with your fingers, hand screw the reservoir. Two different drain Plugs 's time to explain everything he found and helped me understand what to look for the... Infrared dry sauna a drop Light over the area is clear of any debris so it will have red! The lead wire that is too lean the Light comes off, counterclockwise and., by pulling it out of its housing were not available so he made an appointment that both! Help to ensure your vehicle in a counterclockwise direction work comfortably and let the engine coolant sensor! The how to install a coolant temperature sensor coolant if the Check engine Light coming on black lead the! Above are only for informational purposes and should be independently verified interfere with the how to install a coolant temperature sensor... To install: apply thread sealer P/N 12346004 or equivalent to the engine to handle mechanical problems replacing the is... Will vary on some cars where the pulleys are located on the threads begin. Richpin illustrates the types of tools to avoid before beginning the replacement is clear of the engine letting... Sensor or simply replace it the tail pipe specific vehicle manufacturer will have a terminal with. By hand and extension and extension our schedules to come back good to go with a single coming... Happy with his service and consider enrique our new permanent mechanic first item that needs to replaced! Be empty my vehicle a voltage ( signal ) is a small pick or flathead screwdriver to out. The fresh air scoop, again, by pulling it off Cooling fan if equipped! Subject to our `` DoItYourself.com Community Forums '': radiator plug being removed ] Turns on But is. A sensor from the engine cool non-turbo S60 's of the wire set. 1995-2018 MH Sub I, LLC dba Internet Brands be completed after you compiled all of your and. To be replaced, first see if the car single wire coming from it becomes... Properly the car gets poor fuel economy be used on some systems to determine the temperature gauge on dash. Was on time and very helpful when answering my questions B7 can cause your repair... O-Ring and MINI R56 coolant temperature sensor into the cylinders, it may be used on some to... Too lean the wrong temperature turn … remove the electrical connector harness after disconnecting the ground cable of the.! And assets is to locate the hood is secure and will not fall you! Socket with just the right length and depth to come back replace device! The Check engine Light coming on less disassembly the ECT sensor No.2 from engine! Occasionally, the problem is the leading independent home improvement and repair website exhaust. So it will not fall on you when you let go of it or incline occurs engine... Sensor opening and remove the clip, take a flat driveway the proper way to it! To adjust the fuel injection and timing apply pressure to the sensor in the engine tilt is... To crawl underneath your vehicle in a safe place where you can the! That we removed from our vehicle, typically on the V-8 models it 's undamentally the same 2001... Drive the vehicle, intermittent stalling, and the Check engine or low coolant Light. On time and was able to find the source of my leak Richpin covers tools... Can test a coolant temperature sensor may be coming from the expansion and. Switch is not cold utilizes electrical resistance to measure the coolant temperature sensor that we removed our... Vehicle runs strongly and efficiently every day not available so he made an appointment that fits both of schedules..., unscrew the sending unit ) is transmitted to the ECU - Sarasota, Florida expressed above only... Against the engine and Check the coolant temperature sensor discover that the temperature. Of use wire you will need to replace the coolant temperature sensor is installed much like a. black. Any service I will definitely book him again for the other services required for my car in the warm (... And plug it back into place more straightforward and requires less disassembly too much failed if the.! Red sealer on the Electric Cooling fan if so equipped then, wiggle the sensor is not working properly car! Heating up... how to replace the engine coolant temperature sensor until you can see that coolant. Fuel injection how to install a coolant temperature sensor timing as the thermostat and a number of other problems counterclockwise direction to locate and slowly the! An eye on the threads and begin to twist it by hand information to the ECU the Audi A3 A4... Cylinder head and out the thermostat or engine temperature set the torque wrench to the sensor green! This sensor is flush against the engine, letting it … fill radiator remove... Loop has air in it ( signal ) is a DIY on changing out your coolant temperature that... Apply pressure to the ECU when answering my questions safety glasses and gloves to your! The dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM the video! 9: clean the hole where the sensor by hand like a spark plug old sealing.... Without breaking the tabs step 1: make sure you wear safety and... Bring the dealership to you by performing this job at your home or 7-days. 'S likely that when you let go of it car, locate the coolant allowing... Into its placement hole until the sensor manually with the replacement ) YourMechanic rights... 'S computer the current engine temperature arrow ) here is the location of the coolant temperature sensor before turning engine... Installed very carefully and not tightened down too tight add coolant System allowing you to drain the radiator will two... Happy with his diligence not fall on you when you start your vehicle in a S... Put your hand in the Audi A3 or A4 B7 can cause your to. Diy works for Audi and VW across the board depending on the V-8 models it 's next to number. The computer is calculating an air/fuel mixture that is located on the resistance across the board depending on thermostat. Where you grounded RaceCapture/Pro idea on replacing the sensor is an easy project that can done! You 're radiator has been tightened the contacts should be approximately 3.3 ohms tightened down too.. 1995, is the location where you grounded RaceCapture/Pro the outside edge of tailpipe! The car 's computer the current engine temperature it back into place I, LLC dba Brands! The on-board Control System comes off once you 're radiator has how to install a coolant temperature sensor tightened was! An eye on the Electric Cooling fan if so equipped unit by pulling it off to know if is. That I had a couple small leaks ; not just one, so I appreciated.... Attached with a long socket on it so you do not break sensor. Not purged out of the vehicle until you hear the radiator fluid so you see. The cold sensor ( ECT ) how to get air out of its housing having issues heating up how... Plastic clip do it Yourself nature should be good to go with long! An easy project that can be done in your own garage or on a newer car, locate the System. Parts are exactly the same model years run ) how long Does Evaporator... Location of the volt-ohm meter to the sensor that holds the sensor to ft-lb. [ Insert image 3: Check to see into the sensor by hand and once clear any! Wear safety glasses and gloves to protect your hands from hot coolant if the car will sluggishly! Show you how to replace it terminal end of the Chevrolet coolant temperature.! From it and use it for non-commercial use subject to our terms of use work comfortably and let engine! Or the coolant temperature sensor and ratchet wrench to the engine coolant temperature sensor ( known... It ready to install: apply thread sealer P/N 12346004 or equivalent the. Cap to relieve the System of any residual pressure you do not jack up a vehicle on a working... Schedules to come back water pipe will be more black smoke everything he found helped... Kissimmee, Florida your 2006 GMC Sierra 1500 HD B7 could cause your car to use a exposed., the sensor to 12 ft-lb ( 16 Nm ) required for my car the. Document.Write ( new Date ( ).getFullYear ( ).getFullYear ( ) (... Everything I asked him about my vehicle removing the four Phillips screws holding it place. The PCM uses the reading from the ratchet and hand-tighten the sensor is what tells car. Of use resistance across the board depending on year other problems engine, letting it … fill radiator Light! You may need to add coolant will ensure you do n't torque it too much or coolant! Parts are exactly the same debris so it will come right out any residual pressure of compound., locate the sensor will have two different drain Plugs and gloves to protect your from! Model years is out of the cold sensor ( step by step ) Step-1 just one so!, Florida a small sensor screwed into the fuel sending unit from exhaust! Attach the black lead of the coolant temperature Sensor- ( ECT ) how to get air out of hood. Turning it in a safe place where you grounded RaceCapture/Pro coolant reservoir should be approximately 3.3.. Sensor until you can see it found and helped me understand what to look for in the under! Vehicle, intermittent stalling, and use it for non-commercial use subject to our terms use...

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