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

ENGINE COOLANT TEMPERATURE (ECT) SENSOR REPLACEMENT

REMOVAL PROCEDURE

CAUTION: Allow sufficient time for the engine to cool before removing the ECT sensor. A hot engine may cause an excessive coolant loss or a personal injury.

1. Partially drain the coolant system.
2. Remove the wiper motor module in order to gain access to the engine coolant temperature (ECT) sensor.




3. Disconnect the electrical connector (3) from the ECT sensor.
4. Remove the ECT sensor from the water crossover.

INSTALLATION PROCEDURE

NOTE:
- Apply a non-hardening sealer to the sensor threads prior to installation in order to prevent coolant leaks. Use P/N 1050805 or the equivalent.
- Refer to Component Fastener Tightening Notice in Service Precautions.




1. Install the ECT sensor into the water crossover.

Tighten
Tighten the engine coolant temperature (ECT) sensor to 18 N.m (13 lb ft).

2. Connect the electrical connector (3) to the ECT sensor.
3. Install the wiper motor module.
4. Fill the coolant system.