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

REMOVAL PROCEDURE
1. Turn OFF the ignition.
2. Relieve coolant pressure.
3. Drain the engine coolant enough to prevent it from spilling out when the sensor is removed.
4. Disconnect the ECT sensor electrical connector.
5. Using a deep well socket and extension, remove the sensor.

INSTALLATION PROCEDURE
1. Coat 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. Fill the coolant system.
5. Start the engine.
6. Inspect for leaks.
7. Inspect the coolant level.