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

REMOVAL PROCEDURE
1. Turn OFF the ignition.
2. Relieve coolant pressure.
3. Disconnect the ECT sensor electrical connector.
4. Using a deep well socket and extension, remove the sensor.

INSTALLATION PROCEDURE
1. Coat the engine coolant temperature sensor threads with sealer P/N 9985253 or equivalent.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the sensor in the engine.

Tighten
Tighten the sensor to 23 N.m (17 lb ft).

3. Connect the ECT sensor electrical connector.
4. Start the engine.
5. Inspect for leaks.
6. Inspect the coolant level.