How Do You Remove A Coolant Temperature Sensor?
Coolant temperature sensors often become corroded after long-term use. The coolant temp sensor sends a signal to the engine control computer that registers on the engine temperature gauge located in the driver’s dashboard. Some vehicles do not use a gauge for engine temperature. The engine temperature simply shows up as a warning light indicating an overheat condition. When the coolant sensor is corroded, it gives a faulty reading to the engine computer indicating an overheat condition when none exists. Find the coolant temperature sensor in the engine block on the driver side of the engine compartment. It is screwed into the block and has a wire lead running to the engine wiring harness. Once you locate the sensor, disconnect the wire lead going to the sensor with an open end box end wrench. Inspect the wire lead for melted insulation and discolored insulation. Either condition will require you to replace the wire lead. Make sure the engine has cooled enough to prevent burn injury. Us
