Coolant Temperature Sensor/Switch (For Computer): Service and Repair

Fig. 51 Engine Coolant Temperature Sensor:

The coolant sensor threads into the top of the thermostat housing. New sensors have sealant applied to the threads.

WARNING: HOT PRESSURIZED COOLANT CAN CAUSE INJURY BY SCALDING. COOLING SYSTEM MUST BE PARTIALLY DRAINED BEFORE REMOVING THE COOLANT TEMPERATURE SENSOR.

REMOVAL
1. With the engine cold, drain coolant until level drops below cylinder head.
2. Disconnect coolant sensor electrical connector.
3. Remove coolant sensor.

INSTALLATION
1. Install coolant sensor. Tighten sensor to 7 Nm (60 in. lbs.) torque.
2. Attach electrical connector to sensor.
3. Fill cooling system.