Coolant Temperature Sensor/Switch (For Computer): Service and Repair
REMOVAL PROCEDURE1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Drain the engine coolant. Refer to Draining and Filling Cooling System.
3. Lower the vehicle.
4. Disconnect the electrical connector from the ECT sensor.
NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
5. Remove the ECT sensor.
INSTALLATION PROCEDURE
NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
1. Coat the Engine Coolant Temperature (ECT) sensor threads with sealer P/N 12346004 or the equivalent.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the ECT sensor
Tighten
Tighten the ECT sensor to 20 N.m (15 lb ft).
3. Connect the ECT sensor electrical connector.
4. Refill the engine coolant. Refer to Draining and Filling Cooling System.
5. Start the engine and check for leaks.
6. Recheck the engine coolant level. Refer to Draining and Filling Cooling System.