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

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.

1. Disconnect the negative battery cable.
2. Drain the radiator coolant. Refer to Fuel Injector Sight Shield Replacement or Fuel Injector Sight Shield Replacement in Engine Mechanical.
3. Disconnect the ECT sensor electrical connector.
4. Using a 19 mm deep well socket and an extension remove the ECT sensor.

INSTALLATION 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.

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 sensor electrical connector.
3. Refill the radiator with coolant.
4. Reconnect the negative battery cable.
5. Start the engine and check for leaks.
6. Check the coolant level.