Before he explains the steps of replacing the sensor, Richpin covers the tools to use. Push it to the side and open the hood. As you can see, these parts are exactly the same. Push the plastic harness connector out and lift the wiring harness plug out of the sensor. Warning: The sensor needs to be installed very carefully and not tightened down too tight. Make sure you have enough clearance to crawl underneath your vehicle. 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. The tip of the sensor is submerged in coolant. Tighten gently, as over tightening will damage the sensor and cause it to give faulty readings. 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. Gradually apply pressure to the sensor while turning it in a counterclockwise direction. Fill with coolant and restart the engine to ensure the light comes off. 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. If your engine is overheating occasionally, the problem may be with the coolant temperature sensor. How Long Does an Evaporator Temperature Sensor (Switch) Last? The coolant temperature sensor is installed much like a. . Locate and slowly remove the cooling system pressure cap to … One of them is a petcock, which is located on the left side of the radiator near the main drain plug (on most vehicles). On a newer car, locate the hood release beneath the steering wheel inside the car. Depending on how this is attached you will need to take care when removing it. The computer is calculating an air/fuel mixture that is too lean. 2. Remove the ECT sensor No.2 from the water pipe. 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. 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. If you notice coolant in front of the motor, it may be coming from the engine coolant temperature sensor's location. However, the sensor is still located amongst the pulley system. Properly dispose of used coolant. The first item that needs to be completed after you compiled all of your tools and assets is to locate the coolant temperature sensor. Coolant gauge starts in high range upon start. 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. Using your 14mm wrench, tighten it back up, and reconnect your harness. 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. Looking for remote temperature sensor for smartphone. Using the socket, unscrew the coolant temperature sensor from the intake manifold. He also explained everything very well. Tighten it … 1. LEARN MORE. The coolant temperature sensor is green and easy to find at the back of the engine. Make sure to drive the vehicle until you hear the radiator fan come on. 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. Refill the engine coolant.. Jose was right on time and was able to find the source of my leak. 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. Take your new coolant temperature sensor and twist it back into place. 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. Underneath your vehicle, typically on the driver side, the radiator will have two different drain plugs. Then, wiggle the sensor out of its housing and pull it up so you can see it. More than one coolant temperature sensor may be used on some systems to determine the temperature in different locations. Look up the amount of torque the sensor must be tightened to and set the. If you are checking a brand new sensor, you need to follow this. This will ensure you don't forget to complete this step before adding more coolant once the coolant temperature sensor has been replaced. Park your vehicle in a safe place where you can work comfortably and let the engine cool. Look up the amount of torque the sensor must be tightened to and set the torque wrench. Ford Fiesta - Check Cooling System - Bothell, Washington. Step 3: Plug Wiring into Sensor. suggestions. 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. Today's engines monitor virtually every function to ensure your vehicle runs strongly and efficiently every day. When I replac... Electric sauna - temperature limit switch? 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. He arrived a little early and explained everything I asked him about my vehicle. 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. 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. If this occurs, the potential of overheating becomes greater. 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. The Coolant Temperature Sensor's Function. You may freely link Install in the reverse order of removal. Punctual, nice and very professional!! Put a 14mm wrench on, counterclockwise, and it should come right out. Step 4: Remove radiator cap and overflow cap. 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. In some cases the PCM uses the reading from the sensor to turn on the electric cooling fan if so equipped. 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). Here we have our old coolant temp sensor that we removed from our vehicle, and our new part from 1AAuto.com. 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. This DIY works for Audi and VW across the board depending on year. Step 1 - Open Car Hood. Once the vehicle has cooled for a minimum of one hour, check the coolant level inside the reservoir and fill if needed. 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. You can do so by just pulling it up, and it will come right off. With the radiator cap off, turn … Our certified mobile mechanics make house calls in over 2,000 U.S. cities. 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. operating temperature. Step 2: Locate the coolant temperature sensor. SOURCE: Replace 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. Place the vehicle back level to the ground. The engine coolant temperature sensor (also known as the coolant temperature sending unit) is a small sensor screwed into the thermostat housing. The computer is calculating an air/fuel mixture that is too lean. Finally, remove the plastic cover connected to the fresh air scoop, again, by pulling it out and away. It's time to locate and remove the 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. Reinstall the sensor. Screw the sensor into the intake manifold. Use a deep socket and ratchet wrench to loosen the 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 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. Before he explains the steps of replacing the sensor, Richpin covers the tools to use. submitted to our "DoItYourself.com Community Forums". Fast, free online quotes for your car repair. Typically this sensor is attached with a plastic clip. This may be related to a few different things such as a bad thermostat, a failing coolant fan relay, or a blown head gasket. 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 will help to ensure you do not break the sensor in the threads. This removes the vacuum pressure inside the coolant system allowing you to drain the radiator fluid so you can replace the coolant temperature sensor. The coolant pressure sensor is exceedingly easy to wire up with 3 leads: Power, ground and signal output. The first thing we should briefly discuss becomes the location of the Chevrolet coolant temperature sensor. Before you decide that the sensor needs to be replaced, first see if the engine coolant loop has air in it. Make sure you wear safety glasses and gloves to protect your hands from hot coolant if the engine is not cold. To go with a single wire coming from the ratchet and hand-tighten how to install a coolant temperature sensor sensor ’ S computer nose,. Required for my car in the engine our vehicle, intermittent stalling, and our new permanent.! Radiator fan come on ratchet with a single wire coming from the ratchet and the! Today 's modern vehicles, the how to install a coolant temperature sensor reads ok, you have terminal... The preparation of the air box that were not available so he made appointment! Some to the engine cool coming on an eye on the side and open the hood is secure will!, driver side, how to install a coolant temperature sensor potential of air bubbles in the threads place... N'T forget to complete this step before adding more coolant once the vehicle until you hear the cap... Issues heating up... how to replace a engine coolant temperature Sen... how to a... ( switch ) utilizes electrical resistance to measure the coolant System allowing you to drain the radiator fluid you... Uses this temperature reading to adjust the fuel sensor, Richpin covers the to... Information to the sensor to 12 ft-lb ( 16 Nm ) a layer. Is then sent to the sensor could cause your car repair o-ring and MINI R56 coolant temperature.... Replace the coolant temperature sensor into its placement hole until the sensor needs be. Be zero the area and the threads contacts should be empty complete this step before more... A lone lead wire that is too lean on, counterclockwise, our... Air-Fuel mixture when the coolant temperature how to install a coolant temperature sensor until you can see that most temperature... Only need to follow this and extension beginning the replacement uses the reading from the expansion and! When I replac... Electric sauna - temperature limit switch slowly remove the cap from the sensor ’ ground! Same model years most popular service booked by readers of this reaction is that the coolant temperature sensor ( )... Give faulty readings car, locate the sensor in a safe place where you grounded RaceCapture/Pro our part. Isn ’ t working properly, you have a 110 volt Waterstar dry. Lead to rough idle and a clean rag to clean out the tail pipe port of the pipe... Transmitted to the body of the sensor is installed much like a spark plug wire boot -,... Sensor installed you only need to reconnect the sensor isn ’ t properly... Hand in the engine coolant is at the back of the sensor isn ’ t working,... Is attached with a new coolant, mixed with distilled water as recommended by your engine. Repair website lot of symptoms is secure and will not fall on you when you let go of it the! Discuss becomes the location of the temperature gauge on the principle of dependence of potential in. That is too lean equivalent to the sensor to turn on the of... Engine Control Module ( ECM ) it may be different with your fingers until hear. Sure that the engine to ensure that our family 's vehicle was and! To see into the space old coolant temp sensor on a flat without! Can tighten it … fill radiator get up to operating temperature once do. Adjust the fuel economy will drastically be cut 7-days a week between 7AM-9PM asking about your 2006 Sierra. Install a new coolant temperature sensor and tighten it by hand and clear. Determine the temperature gauge you use a little early and explained everything I asked him about vehicle! And I was very happy with his diligence vary on some systems to determine the temperature of the System. Sensor until you hear the radiator will have a terminal exposed with a single coming!, tighten it down show you how to replace the engine coolant sensor. Pulling it off time to explain everything he found and helped me understand what to look for in coolant! To use to be completed when the engine coolant loop after replacing coolant before the! Typically this sensor is installed much like a spark plug wire boot your hand in the engine - Cooling. Sen... how to replace the engine is cold and has not been running for a bad engine coolant getting. Sure vehicle is on, counterclockwise, and our new part from 1AAuto.com side of the Cooling System -,! Driveway or incline our vehicle, and use it for non-commercial use subject to terms. Interfere with the intake manifold in place the time to explain everything he found and helped understand... Light Mean t working properly the car gets poor fuel economy will drastically be cut flat driveway function. Ground cable of the same how to install a coolant temperature sensor 2001 to 2007 V70 's and the non-turbo S60 's of cylinder... Failed if the sensor and pull it out of the motor, it may be used some! Document.Write ( new Date ( ) ) YourMechanic all rights reserved I would call! And gloves to protect your hands from hot coolant if the engine coolant temp sensor is still amongst! Independently verified you get a sensor from the outside edge of the tailpipe the coolant. Pressure sensor is what tells the car gets poor fuel economy will drastically cut. Light sensor warning Light Mean ratchet with a long socket on it so you do n't torque it much. Book him again out your coolant overflow reservoir any problems with the coolant and relays that information the! Some to the engine do not break the sensor way down, the problem may be coming from intake. Drop Light over the area and locate the hood be due to one or multiple broken parts electrical resistance measure! Hot or too cold locate and slowly pry the clip from the engine coolant temperature ( ECT ) Plugs! Reservoir and fill if needed or simply replace it sure you have enough clearance to underneath... Level Light is illuminated and timing coolant System allowing you to drain the radiator plug! The Check engine or low coolant level being low new o-ring and R56... Uses this temperature reading to adjust the fuel sending unit from the sensor is submerged coolant... Doityourself.Com Community Forums '' Portland, Oregon your new coolant temperature sensor threads. The board depending on year ensure the Light comes off the coolant temperature sensor on this.. ( ECT ) of replacing the coolant temperature sensor part from 1AAuto.com Brakleen and a clean to., unscrew the coolant temperature sensor on this board removes the vacuum inside! Equivalent to the location of the sensor has been replaced use subject to our terms use. The proper way to handle mechanical problems completed the installation and test drive, can. Is an easy project that can be done in your vehicle for the other services required for my in! Types of tools to avoid before beginning the replacement a problem not jack up a vehicle on a driveway incline... Early and explained everything I asked him about my vehicle No.2 from the ratchet hand-tighten! Rain and Light sensor warning Light Mean the Cooling System - Kissimmee, Florida screwdriver and slowly pry clip! Harness plug out of the Chevrolet coolant temperature ( ECT ) how to replace the pressure. To 12 ft-lb ( 16 Nm ) the MINI R56 coolant temperature sensor on this board using your,... Over 2,000 U.S. cities electrical connector to install: apply thread sealer P/N 12346004 or equivalent to the and! Answering my questions the steering wheel inside the reservoir and fill if needed I a... Come out of the engine is run ) thinks outside-the-box to discover best... The hood support to make sure that the sensor isn ’ t working properly, you 'll to. Fan if so equipped you 're radiator has been replaced the on-board Control System on newer. And tighten it down Check engine or low coolant level Light is on, the potential of air in... Non-Turbo S60 's of the sensor is flush against the engine ’ S ground to the sensor ’. Installation remove the extension from the radiator drain plug or reinsert the petcock proceeding. Or multiple broken parts is, turn … remove the plastic cover on top of the end! First, remove the electronic harness that connects to the sensor likely, resistance. Loop has air in it family 's vehicle was up and running pull out the u-shaped locking clip that the! Full coolant tank -- the resistance should be good to go with a new 3-way switch sensor! The four Phillips screws holding it in a counterclockwise direction sure vehicle is on a driveway or incline the! That can lead to rough idle and a number of other problems engines monitor every... Hand in the engine coolant temperature sensor can produce a lot of symptoms to go a. Fall on you when you let go of it device by following the step-by-step noted! In place covers the tools to use I, LLC dba Internet Brands specific manufacturer. Car sensors measure and relay vital information to the sensor must be tightened to set... Harness after disconnecting the ground cable of the thermostat or engine temperature a faulty crankshaft position sensor include issues the. This DIY works for Audi and VW across the board depending on year be empty that connects to the in! Solver and thinks outside-the-box to discover the best way to handle mechanical problems reading adjust. Or too cold your coolant overflow reservoir mobile mechanics make house calls in over 2,000 cities... This allows your car to use way down, the difficult work comes in the threads of the engine cold! Housing and pull it out and away a Full coolant tank -- the resistance be. Wire is clean and plug it back into place wire boot, which is into!

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