HHR L4-2.2L (2007)
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 coolant system to below the engine coolant temperature (ECT) sensor. Refer to Cooling System Draining and Filling (GE 47716 Fill)
Cooling System Draining and Filling (Static Fill).
2. Reposition the air cleaner assembly from the top of the engine.
3. If equipped with a automatic transaxle, disconnect the engine coolant temperature (ECT) sensor electrical connector (1).
4. If equipped with a manual transaxle, disconnect the ECT sensor electrical connector (1).