H3 V8-5.3L (2008)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Engine Coolant Temperature Sensor Replacement
Removal Procedure
Notice: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
1. Drain the cooling system below the level of the ECT sensor. Refer to Cooling System Draining and Filling (Static Fill) (See: Service and
Repair/Draining and Filling Cooling System)Cooling System Draining and Filling (Vac-N-Fill) (See: Service and Repair/Draining and Filling
Cooling System) .
2. Disconnect the engine wiring harness electrical connector (1) from the engine coolant temperature (ECT) sensor.
3. Remove the ECT sensor (1).
Installation Procedure