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

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

REMOVE OR DISASSEMBLE
1. Negative battery cable.
2. Drain coolant.
3. Raise vehicle.
4. Electrical connector.
5. Carefully back out sensor from cylinder head.


INSTALL OR CONNECT
1. Coat threads (only) with sealer P/N 9985253 or equivalent.
2. Install sensor in engine.

Tighten
Sensor to 23 Nm (17 lb. ft.).

3. Connect electrical connector.
4. Lower vehicle.
5. Refill lost coolant.
6. Connect negative battery cable.