gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 2133 > < Diagram Information and Instructions|Page 2131
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Coolant Temperature Sensor/Switch (For Computer): Service and Repair

REMOVAL PROCEDURE

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Drain the engine coolant. Refer to Draining and fitting Cooling System in Engine Cooling.
3. Lower the vehicle.
4. Disconnect the electrical connector from the Engine Coolant Temperature (ECT) sensor.

NOTE:  Refer to Handling Coolant Sensor Notice in Cautions and Notices.

5. Remove the ECT sensor.

INSTALLATION PROCEDURE

NOTE:  Refer to Handling Coolant Sensor Notice in Cautions and Notices.

Diagram Information and Instructions|Page 2133 > < Diagram Information and Instructions|Page 2131