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

ENGINE COOLANT TEMPERATURE SENSOR





The Engine Coolant Temperature (ECT) sensor (1) on the 4.7L V-8 engine is located near the front of the intake manifold.

REMOVAL

WARNING: HOT, PRESSURIZED COOLANT CAN CAUSE INJURY BY SCALDING. COOLING SYSTEM MUST BE PARTIALLY DRAINED BEFORE REMOVING THE ENGINE COOLANT TEMPERATURE (ECT) SENSOR.

1. Partially drain the cooling system
2. Disconnect the electrical connector from the ECT sensor (1).
3. Remove the sensor (1) from the intake manifold.

INSTALLATION

1. Apply thread sealant to sensor threads.





2. Install ECT sensor (1) to engine.
3. Tighten sensor to 11 Nm (97.3 in. lbs.) torque.
4. Connect electrical connector to sensor (1).
5. Fill cooling system.