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

ECT SENSOR REPLACEMENT

REMOVAL PROCEDURE

IMPORTANT: Care must be taken when handling the engine coolant temperature (ECT) sensor. Damage to the ECT sensor affects proper operation of the fuel injection system.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

1. Disconnect the negative battery cable.
2. Drain the radiator coolant.
3. Disconnect the ECT sensor electrical connector.
4. Use a 19 mm deep well socket and an extension in order to remove the ECT sensor.

INSTALLATION PROCEDURE

IMPORTANT: Care must be taken when handling engine coolant temperature (ECT) sensor. Damage to the ECT sensor affects proper operation of the fuel injection system.

NOTE: Refer to Fastener Notice in Service Precautions.

1. Hand start the ECT sensor into the engine.

Tighten
Tighten the ECT sensor to 30 N.m (22 lb ft).

2. Connect the ECT electrical connector.
3. Refill the radiator with coolant.
4. Connect the negative battery cable.
5. Start the engine and inspect for leaks.
6. Inspect the coolant level.