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

ECT Sensor Replacement

REMOVAL PROCEDURE

IMPORTANT: Care must be taken when handling engine coolant temperature sensor. Damage to the engine coolant temperature sensor will affect 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. Refer to Draining and Filling Cooling System in engine cooling.
3. Disconnect the ECT sensor electrical connector.
4. Using a 19 mm deep well socket and an extension remove the ECT sensor.

INSTALLATION PROCEDURE

NOTICE: Refer to Fastener Notice in Service Precautions.

IMPORTANT: Care must be taken when handling engine coolant temperature sensor. Damage to the engine coolant temperature sensor will affect proper operation of the fuel injection system.

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 sensor electrical connector.
3. Refill the radiator with coolant. Refer to Draining and Filling Cooling System in engine cooling.
4. Connect the negative battery cable.
5. Start the engine and check for leaks.
6. Check the coolant level.