gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Thermostat Housing Crossover Replacement|Page 3075 > < Symptom Related Diagnostic Procedures|Page 3072
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Thermostat: Service and Repair
Thermostat Housing Crossover Replacement

REMOVAL PROCEDURE 

1. Disconnect the battery negative cable.

CAUTION:  Refer to Battery Disconnect Caution in Service Precautions.

2. Disconnect the battery negative cable from the auxiliary battery terminal.
3. Drain the coolant from the radiator.

4. Remove the air cleaner assembly from the vehicle.

Thermostat Housing Crossover Replacement|Page 3075 > < Symptom Related Diagnostic Procedures|Page 3072