Grand Cherokee 4WD Laredo V8-4.7L (2002)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
ENGINE COOLANT TEMPERATURE SENSOR - 4.7L ENGINE
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 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.
