Operation CHARM: Car repair manuals for everyone.

Engine - Coolant Temperature Sensor/Switch: Service and Repair

REMOVAL
1. Disconnect the negative battery cable.
2. Partially drain the cooling system.





3. Disconnect the engine coolant temperature sensor harness connector (1).





4. Remove the engine coolant temperature sensor retaining clip (1) and the sensor.


INSTALLATION





1. Clean any debris or corrosion from the engine coolant temperature sensor mounting surface.
2. Use a small amount of petroleum jelly to lubricate the sensor seal.
3. Install the engine coolant temperature sensor and retaining clip.
4. Connect the engine coolant temperature sensor harness connector (1).
5. Fill the cooling system.
6. Connect the negative battery cable.