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

REMOVAL-4.0L ENGINE

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 cooling system.





2. Disconnect electrical connector from ECT sensor.
3. Remove sensor from thermostat housing.

INSTALLATION-4.0L ENGINE
1. Install sensor.
2. Tighten to 11 Nm (8 ft. lbs.) torque.
3. Connect electrical connector to sensor.
4. Replace any lost engine coolant.