Grand Cherokee 4WD V8-4.7L VIN N (2000)
Engine Coolant Temperature (ECT) Sensor: Service and Repair
REMOVAL
WARNING: HOT, PRESSURIZED COOLANT CAN CAUSE INJURY BY SCALDING. COOLING SYSTEM MUST BE PARTIALLY
DRAINED BEFORE REMOVING THE ENGINE COOLANT TEMPERATURE (ECT) SENSOR.
Fig. 44 Engine Coolant Temperature Sensor
The ECT sensor is located near the front of the intake manifold.
1. Partially drain cooling system.
2. Disconnect electrical connector from ECT sensor.
3. Remove sensor from intake manifold.
INSTALLATION
1. Install sensor.
2. Tighten to 11 Nm (8 ft. lbs.) torque.
3. Connect electrical connector to sensor.
4. Replace any lost engine coolant.
