![]() Set the new sensor into the threads and begin to twist it by hand. Uses Engine Coolant Temperature Sensor Connector (P/N: 40000053) for mating. ![]() Make sure that the area is clear of any debris so it will not interfere with the replacement. For measuring coolant temperature of an engine. Clean off the area and the threads with a clean shop rag. Step 5 - Remove and ReplaceĬontinue to loosen the coolant temperature sensor until you can remove it. This will help to ensure you do not break the sensor in the threads. Gradually apply pressure to the sensor while turning it in a counterclockwise direction. Use a deep socket and ratchet wrench to loosen the sensor. The coolant temperature sensor is installed much like a spark plug. Pull the wire and set it in a place where it is out of the way. Pry off the clips with a flat screwdriver without breaking the tabs. If there are any problems with the wire you will need to replace it. Depending on how this is attached you will need to take care when removing it. The sensor sends its signals along a lone lead wire that is located at the top of the terminal. The sensor will have a terminal exposed with a single wire coming from it. You may need to remove the fan shroud in order to see into the space. Hold a drop light over the area and locate the sensor. This is the best video youll find on how to remove the coolant temp sensor for the cluster on an OBS F150 with a 5.0/5.8 (I have the 5.8). However, the sensor is still located amongst the pulley system. This will vary on some cars where the pulleys are located on the side of the vehicle. The coolant temperature sensor is located on the front of the engine block. Step 2 - Locate Coolant Temperature 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. Next, put your hand in the gap under the center of the hood to feel for the latch. ACDelco 213-4396 Professional Engine Coolant Temperature Sensor 4.6 out of 5 stars 341. If the sensor sends wrong information to the engine control unit, error messages are produced, with the risk of fuel injection regulation problems.įacet thermo switch and temperature sensor typesįacet technology keeps pace with the evolution of thermal management, offering a wide range of solutions: from simple disc switches for electrical-mechanical fan control to the most sophisticated temperature sensors fitted with thermistors, which send temperature information and alarm signals to the engine control unit.On a newer car, locate the hood release beneath the steering wheel inside the car. Radiator Coolant Fan Temperature Sensor Switch for Acura Integra RSX TSX Honda Accord CR-V Civic del Sol Element Insight S2000 3.9 out of 5 stars 38. If the electrical circuit remains closed, the fan continues to run, causing loss of power. If the disc is stuck with the electrical circuit open, the switch cannot activate the electric fan, causing overheating of the liquid with the possibility of serious damage to the engine. Loss of elasticity in the connector gaskets Loss of air-tight seal, with penetration of water or moisture into the switch Once the exchange temperature is reached, the heat-sensitive disc “snaps”, thus closing the electric circuit. The disc changes shape as the temperature varies. Thermo switches are activated by a concave or convex bimetal disc, which opens and closes contacts located inside them, and are divided into two categories: They can have up to four terminals and be installed on the radiator, the cooling system tubes or the thermostat, so that the coolant flows across the sensing element (bimetal disc or thermistor). This series of devices prevent the engine from overheating by activating radiator cooling fans, measuring the coolant temperature and controlling the level gauges and warning lights on the engine control unit.
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