Radiator Cooling Fan Temperature Sensor / Switch: Service and Repair
Engine Coolant Temperature Sensor ReplacementRemoval Procedure
1. Disconnect the Engine Coolant Temperature (ECT) sensor electrical connector.
2. If equipped with the 8.1 L engine, remove the sensor connector from the bracket.
3. If equipped with the 8.1 L engine, remove the ECT sensor.
4. If equipped with the 6.5 L engine, remove the ECT sensor.
Installation Procedure
Notice: Refer to Fastener Notice in Service Precautions.
1. If equipped with the 6.5 L engine, install the ECT sensor.
Tighten the ECT sensor to 25 Nm (18 ft. lbs.).
2. If equipped with the 8.1 L engine, install the ECT sensor.
Tighten the ECT sensor to 20 Nm (15 ft. lbs.).
3. If equipped with the 8.1 L engine, install the sensor connector to the bracket.
4. Connect the ECT sensor electrical connector.
5. Add coolant if necessary.