Perform the following procedures for removal and installation of the coolant temperature sensor.
Disassemble the coolant temperature sensor as follows:
To avoid scalding from the expulsion of hot coolant, never remove the cooling system pressure cap while the engine is at operating temperature. Wear adequate protective clothing (face shield, rubber gloves, apron, and boots). Remove the cap slowly to relieve pressure.
Note: It is not necessary to drain all the coolant from the engine to do this procedure. Enough has to be drained to prevent coolant from leaking out while the sensor is being changed.
Assemble the coolant temperature sensor as follows: