Lucerne V6-3.8L (2007)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Engine Coolant Temperature Sensor Replacement
Removal Procedure
Important: Care must be taken when handling engine coolant temperature sensor. Damage to the engine coolant temperature sensor will effect
proper operation of the fuel injection system.
1. Drain the cooling system to a level below the engine coolant temperature (ECT) sensor. Refer to Draining and Filling Cooling System (Static Fill)
Draining and Filling Cooling System (Vac-N-Fill).
2. Remove the intake manifold cover.
3. Disconnect the engine harness electrical connector (2) from the ECT sensor.
4. Remove the ECT sensor.