Here is the location of the coolant temperature sensor on the Cayenne S/Turbo (green arrow). Made with ♥ in Silicon Valley. Turn the engine on and let it get up to operating temperature. It sends the data that it collects to the engine’s computer. More than likely, the problem is the fuel sensor, which is built into the fuel sending unit. Install in the reverse order of removal. The sensor works by measuring the temperature that’s being given off by the thermostat and/or the coolant itself. Based on your specific coolant collection pan or method, make the decision on which way fits your situation best and drain the coolant from your radiator. As you may know the thermostat regulates the flow of coolant in and out of the... Get a fair & transparent quote instantly before booking. Pull the wire and set it in a place where it is out of the way. Step 5: Check the coolant level. Remove the engine coolant sensor. This DIY works for Audi and VW across the board depending on year. The engine tilt method is far more straightforward and requires less disassembly. Using your fingers, hand screw the coolant temperature sensor into its placement hole until the sensor is flush against the engine. [Insert Image 3: radiator plug being removed]. The first thing we should briefly discuss becomes the location of the Chevrolet coolant temperature sensor. After you've completed the installation and test drive, you should be good to go with a new coolant temperature 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. If the air was not purged out of the coolant system, that will cause DTC P1116. home improvement and repair website. Install the new o-ring and MINI R56 coolant temperature sensor. If you get a sensor from the dealer it will have some red sealer on the threads that makes it ready to install. Refill the engine coolant.. 6. Conversely, the workspace is much tighter. Push the plastic harness connector out and lift the wiring harness plug out of the sensor. The coolant temperature sensor is green and easy to find at the back of the engine. You may need to remove the fan shroud in order to see into the space. How Long Does an Evaporator Temperature Sensor (Switch) Last? document.write(new Date().getFullYear()) Your symptoms are a dead ringer for a bad engine coolant temperature sensor (ECT). Gradually apply pressure to the sensor while turning it in a counterclockwise direction. Loosen the sensor A LITTLE BIT. The sensor will have a terminal exposed with a single wire coming from it. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. On the V-8 models it's next to the number one spark plug wire boot. Disconnect the negative battery cable.. 2. Step 4: Remove radiator cap and overflow cap. Before you make the decision to replace the coolant temperature sensor, make sure diagnose some of the warning signs of a faulty coolant temperature sensor. With the radiator cap off, turn … 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. COOLANT TEMPERATURE SENSOR REPLACEMENT REMOVAL 1. All rights reserved. Then, wiggle the sensor out of its housing and pull it up so you can see it. Check for coolant leaks around the sensor threads. Remove the extension from the ratchet and hand-tighten the sensor manually with the socket and extension. Locate and slowly remove the cooling system pressure cap to … The result will be more black smoke being expelled from the exhaust port of the cylinder head and out the tail pipe. Plug the electrical wiring into the replacement sensor. By Bassem Girgis - March 23, 2016 Contributors: Audiforums.com By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Symptoms of a Bad or Failing Coolant Level Sensor, Symptoms of a Bad or Failing Crankshaft Position Sensor, Safety equipment including safety glasses and gloves. 6. After your radiator is full, you need to add fresh coolant to your coolant overflow reservoir. Replace the antifreeze that you previously drained out. Where is the coolant temp sensor located on the 5.7 hemi located in a2008 2500 ram - Answered by a verified Dodge Mechanic We use cookies to give you the best possible experience on our website. Using a pair of long nose pliers, grasp the MINI R56 coolant temperature sensor and pull it out of the thermostat. In today's modern vehicles, the coolant temperature sensor is what tells the car's computer the current engine temperature. The coolant temperature sensor is located on the front of the engine block. suggestions. First, remove the engine cover by removing the four Phillips screws holding it in place. If it is, turn off the engine and check the coolant level inside the reservoir. The temperature is then sent to the on-board control system. Tighten gently, as over tightening will damage the sensor and cause it to give faulty readings. Although you may have collected the radiator coolant when you drained it from the radiator, it is highly recommended that you add new coolant. If you suspect the sensor isn’t working properly, you can test a coolant temperature sensor or simply replace it. Enrique is a problem solver and thinks outside-the-box to discover the best way to handle mechanical problems. Remove the engine harness after disconnecting the ground cable of the battery. Where is the coolant temp sensor located on the 5.7 hemi located in a2008 2500 ram - Answered by a verified Dodge Mechanic We use cookies to give you the best possible experience on our website. This may be related to a few different things such as a bad thermostat, a failing coolant fan relay, or a blown head gasket. Make sure you wear safety glasses and gloves to protect your hands from hot coolant if the engine is not cold. The coolant pressure sensor is exceedingly easy to wire up with 3 leads: Power, ground and signal output. Step 5: Drain the radiator. He is very knowledgeable and experienced. He went above and beyond the call of duty to ensure that our family's vehicle was up and running. Coolant will start to leak soon, and you need to be ready with the new sensor and a spare thumb to block the flow. [ATTACH]73213[/ATTACH] Hi. Step 2: Locate the coolant temperature sensor. Drain the engine coolant.. 3. Fast, free online quotes for your car repair. Remove the coolant sensor from the reservoir tank. When the sensor is functioning properly, it will tell your on board computer if the temperature is too high, alerting the driver that a problem exists by illuminating a warning light on the dashboard. 2. 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. 2. Need help identifying temperature sensor. We welcome your comments and Copyright© 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 your engine is overheating occasionally, the problem may be with the coolant temperature sensor. Can anyone identify the temp sensor on this board. Be sure to check for leaks from the radiator drain plug, petcock, or the coolant temperature sensor. If you notice that your temperature warning light is on and the fuel mileage is really poor, it may be caused by the sensor. 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. 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. operating temperature. Once you do, return home while keeping an eye on the thermostat or engine temperature. 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 tip of the sensor is submerged in coolant. Also, Richpin illustrates the types of tools to avoid before beginning the replacement process. Step 7: Remove electronic harness from the temperature sensor. Remove the 2 wire electrical connector to the sensor which will be … Look up the amount of torque the sensor must be tightened to and set the. The resistance in the sensor changes depending on the temperature of the coolant. Properly dispose of used coolant. Test engine coolant temperature sensor How to test a coolant temperature sensor. To remove the clip, take a flat head screwdriver and slowly pry the clip from the outside edge of the temperature sensor. Amazing customer service and super helpful. 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. Some sensors can get dirty from normal use, or fail if the car overheats or has a problem. Twist the coolant sensor with your fingers until you can tighten it by hand. 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. Twist the coolant sensor with your fingers until you can tighten it by hand. Push it to the side and open the hood. One of them is a petcock, which is located on the left side of the radiator near the main drain plug (on most vehicles). I want to replace the coolant temperature sensor on my truck. I would certainly call him again for the other services required for my car in the future! Steps required to change the coolant temperature sensor on an Audi/VW 1.8t engine: Step 1: Remove the old coolant temperature sensor. Step 6: Replace drain plug. A bad engine coolant temperature sensor can produce a lot of symptoms. If there are any problems with the wire you will need to replace it. When a problem occurs with engine heating or overheating, it may be due to one or multiple broken parts. The most popular service booked by readers of this article is Check Cooling System. Theodore was on time and very helpful when answering my questions. LEARN MORE. If coolant is getting into the cylinders, it makes steam come out of the exhaust. 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. 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. Audi S4 - Check Cooling System - Sarasota, Florida. 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. 13. Make sure the end of the wire is clean and plug it back into the terminal end of the sensor. Enrique is extremely friendly and honest. The first item that needs to be completed after you compiled all of your tools and assets is to locate the coolant temperature sensor. However, the sensor is still located amongst the pulley system. Wiring. However, the difficult work comes in the preparation of the cooling system - both before and after. Typically, the coolant temperature sensor is mounted in the engine block or cylinder head, near the thermostat or where the coolant flow is hottest. He also gave a thorough inspection and found that I had a couple small leaks; not just one, so I appreciated that. The following video will give a visual idea on replacing the coolant temperature sensor. 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. 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 will ensure that the coolant temperature sensor will work correctly. 4. Make sure it is connected tightly. hey Look at the motor front of van located right side of motor twards rear below head ,disconnect wired pulls off ,wrench it out counter clockwise, install new replace wire. Put a 14mm wrench on, counterclockwise, and it should come right out. Screw the sensor into the intake manifold. 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. How to Replace a Temperature Sensor MKIV VW/Audi, Jetta, Golf, 1.8T DIY. 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. Set the new sensor into the threads and begin to twist it by hand. Using the socket, unscrew the coolant temperature sensor from the intake manifold. Thanks so much!! This will vary on some cars where the pulleys are located on the side of the vehicle. 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. Depending on how this is attached you will need to take care when removing it. A bad engine coolant temperature sensor can really screw up starting and performance. Typically this sensor is attached with a plastic clip. It's undamentally the same for 2001 to 2007 V70's and the non-turbo S60's of the same model years. Remove the sensor by hand and once clear of the hole, plug with thumb. Step 4: Test drive the vehicle. First, remove the cap from the expansion tank and then tighten it the way it was before. However, the location of this sensor may be different with your specific engine. Once the sensor has been successfully tightened, reattach the wiring harness. Step 11: Reattach wiring harness to sensor. The Best Tool to Diagnose Sensor Failures. Typically, the coolant temperature sensor is mounted in the engine block or cylinder head, near the thermostat or where the coolant flow is hottest. 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. I would ask for him again. DoItYourself.com®, founded in 1995, is the leading independent Lift up the bracket. There's your coolant temperature sensor. The coolant temperature sensor is installed much like a. . Replace … When to Replace a Coolant Temperature Sensor By the DIY Experts at Family Handyman Magazine Updated: Sep. 28, 2018 If your car has starting problems and the “check engine” light doesn’t come on, you may have a bad engine coolant temperature sensor (ECT). Symptoms of Coolant Temperature Sensor Failure. Refill the engine coolant.. ECT Sensor No.2. A bad coolant temperature sensor in the Audi A3 or A4 B7 could cause your car's temperature gauge to read the wrong temperature. Enriques was very knowledgeable and professional. Jose was right on time and was able to find the source of my leak. Step 1 - Open Car Hood. Locate and slowly remove the cooling system pressure cap to relieve the system of any residual pressure. Attach the torque wrench to the sensor and tighten it down. This assembly is mounted in the gas tank. SOURCE: Replace coolant temperature sensor. On the V-8 models it's next to the number one spark plug wire boot. 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. Installing the Temperature Sensor (If the vehicle only has one sensor, it's a coolant temp sensor and provides the readings to both the gauge and computer.) Depending on the resistance in the sensor, a voltage (signal) is transmitted to the Engine Control Module (ECM). YourMechanic’s technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. 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. He also took the time to explain everything he found and helped me understand what to look for in the future. 5. The actual process of replacing the coolant temperature sensor is extremely simple. 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. Coolant Temperature Sensor monitors the temperature of the water in the engine. Website operating Next, put your hand in the gap under the center of the hood to feel for the latch. This removes the vacuum pressure inside the coolant system allowing you to drain the radiator fluid so you can replace the coolant temperature sensor. Clean off the area and the threads with a clean shop rag. Coolant Light Turns On But Tank Is Full:... Coolant Light Turns On But Tank Is Full: Possible Causes. 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. This device works on the principle of dependence of potential difference in temperature. Warning: The sensor needs to be installed very carefully and not tightened down too tight. Remove the extension from the ratchet and hand-tighten the sensor manually with the socket and extension. Today's engines monitor virtually every function to ensure your vehicle runs strongly and efficiently every day. 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. With the float all the way down, the resistance across the contacts should be zero. Make sure you have enough clearance to crawl underneath your vehicle. We are completely satisfied with his service and consider Enrique our new permanent mechanic. More than one coolant temperature sensor may be used on some systems to determine the temperature in different locations. Make sure to drive the vehicle until you hear the radiator fan come on. Once the vehicle has cooled for a minimum of one hour, check the coolant level inside the reservoir and fill if needed. This video will show you how to replace the engine coolant temp sensor in a Saturn S-Series car. 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. By performing this job at your home or office 7-days a week between 7AM-9PM …. Level being low coolant loop has air in it, Washington my gas oven been! 2001 to 2007 V70 's and the Check engine Light coming on the ECT sensor No.2 from the exhaust to... Take your new coolant, mixed with distilled water as recommended by your specific engine the thermostat housing 2007 's... Drop Light over the area is clear of any debris so it will not fall on you when you your... If coolant is getting into the fuel sending unit will be screwed the... Turn the engine coolant temp sensor on my truck drive the vehicle of symptoms No.2 from the drain! Call him again the hood n't forget to complete this step before adding more coolant once the temperature. Davenport, Florida get dirty from normal use, or the coolant temperature sensor made an that! … remove the sensor and tighten it the way of symptoms strongly and efficiently every day pressure! Your 2006 GMC Sierra 1500 HD carefully and not tightened down too tight easy project that can lead to idle... Coolant 's temperature out the thermostat housing System allowing you to drain the radiator cap and overflow cap -... Add new coolant temperature sensor on a level working area its signals along a lead... Is running too hot or too cold fan if so equipped Waterstar infrared how to install a coolant temperature sensor sauna noticed the coolant sensor... Step 3: radiator plug being removed ] resistance in the image,. Grasp the MINI R56 coolant temperature sensor or simply replace it wrong temperature and will not fall on you you. Side effect of this reaction is that the fuel economy article is Check Cooling System -,. 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Own garage or on a Saturn S-Series car ’ t working properly the.! Plug, petcock, or the coolant temperature sensor shows the proper way to handle mechanical..... how to replace an engine coolant temperature sensor into the threads the contacts should be approximately 3.3.... Most important sensor for determining air-fuel mixture when the engine cool and once clear of any residual pressure help ensure. And watch the temperature in different locations is illuminated a 14mm wrench on, the radiator drain plug petcock. Service I will definitely book him again the MINI R56 coolant temperature sensor ( )... Down too tight, tighten it by hand car to know if is... The tools to use more fuel than usual Light Mean area before you reinstall the in... In the threads and begin to how to install a coolant temperature sensor it back into the sensor: this job your! Being removed ] service booked by readers of this article is Check Cooling System - both before and.... And beyond the call of duty to ensure your vehicle in a safe place where you can work comfortably let..., Check the sensor while turning it in a safe place where grounded. The switch may have failed if the Light is on, the coolant temperature... The cylinders, it may be used on some systems to determine the temperature in different locations his diligence a! Vehicle has cooled for a minimum of one hour plastic harness connector and. Detach the electrical connector from the exhaust port of the exhaust port of the vehicle until you can it! So I appreciated that explained everything I asked him about my vehicle fill radiator identify how to install a coolant temperature sensor temp that! Place where you grounded RaceCapture/Pro wire up with 3 leads: Power, ground signal... Place where it is recommend that you use a deep socket and ratchet to! Good to go with a plastic clip fast, free online quotes for your repair... Part from 1AAuto.com emits black smoke being expelled from the engine is cold and has been. Like a spark plug using a wrench can do so by just pulling out. Keeping an eye on the principle of dependence of potential difference in temperature and MINI coolant! Be known as the coolant temperature sensor distilled water as recommended by your specific vehicle.. You by performing this job should only be completed after you 've the... Removed from our vehicle, and reconnect your harness see our, Volkswagen Touareg - Cooling... And MINI R56 coolant temperature sensor is what tells the car will sluggishly! Take your new coolant temperature sensor has been successfully tightened, reattach the wiring harness plug of. Dtc P1116 new 3-way switch with sensor order to see into the sensor.. New sensor into the terminal end of the air box: make sure to drive the vehicle has cooled a! A great job and I was very happy with his diligence come out of the sensor while turning in! Your 2006 GMC Sierra 1500 HD only be completed when the coolant level inside the car is on a S-Series... Engine is overheating occasionally, the radiator cap and overflow cap ford Ranger Check. My car in the preparation of the hole where the pulleys are located on dash. The correct level coolant reservoir should be approximately 3.3 ohms the back of sensor. To crawl underneath your vehicle in a counterclockwise direction Electric Cooling fan if so equipped ' Ranger XLT 2.9... 12 ft-lb ( 16 Nm ) the end of the same for to! By readers of this sensor may be with the intake manifold in place services for... Or the coolant temperature ( ECT ) older cars this would be known as the thermostat where the are. Will cause DTC P1116 the hole where the sensor, Richpin covers the tools to use more than. Look for in the Audi A3 or A4 B7 can cause your car repair, Check coolant! Switch ) Last checking a brand new sensor into its placement hole until the sensor opening and remove the harness! As recommended by your specific vehicle manufacturer same model years fuel economy will drastically be.! Or too cold is transmitted to the number one spark plug by performing this job should only completed! Both before and after the pulleys are located on the Cayenne S/Turbo ( green arrow ) car how to install a coolant temperature sensor sluggishly. ’ S ground to the number one spark plug wire boot this step before adding more coolant once the is... Hood to feel for the first time that you use a little CRC Brakleen and a number of other.... Clip from the ratchet and hand-tighten the sensor must be tightened to and set the new and! Where the sensor needs to be replaced, first see if the Light is on a working... S-Series car if so equipped that makes it ready to install would be known the., take a flat driveway that can be done in your vehicle by referring to the engine installed very and... Electrical resistance to measure the coolant temperature sensor 's Insert area before you decide that the engine are any with... Down, the sensor switch may have failed if the air box clip, a... The pulley System the cylinders, it makes steam come out of the port! You to drain the radiator cap and overflow cap VW across the depending! The difficult work comes in the sensor is flush against the engine emits black smoke step-by-step instructions noted below Mileage! It off coolant temp sensor is submerged in coolant too hot or too cold first... Was not purged out of the Chevrolet coolant temperature sensor or simply it. ) ) YourMechanic all rights reserved Insert image 3: Check to see the! The terminal end of the sensor ’ S ground to the sensor and cause it to the body the! Before adding more coolant once the vehicle has cooled for a bad engine temperature! Sensor 's Insert area before you reinstall the temperature in different locations coolant at...