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

SENSOR-ENGINE COOLANT TEMPERATURE

REMOVAL
4.7L V-8





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

The Engine Coolant Temperature (ECT) sensor on the 4.7L V-8 engine is located near the front of the intake manifold.
1. Partially drain the cooling system.
2. Disconnect the electrical connector from the ECT sensor.
3. Remove the sensor from the intake manifold.

INSTALLATION





1. Apply thread sealant to sensor threads.
2. Install sensor to engine.
3. Tighten sensor to 11 Nm (8 ft. lbs.) torque.
4. Connect electrical connector to sensor.
5. Replace any lost engine coolant.