RAM 1500 Truck 4WD V8-4.7L VIN N (2003)
Radiator Cooling Fan Temperature Sensor / Switch: Service and Repair
ENGINE COOLANT TEMPERATURE SENSOR - 4.7L V-8
REMOVAL
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.