gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Radiator Drain Plug|Service and Repair|Page 2581 > < Temperature Gauge|Description and Operation|Page 2576
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Radiator Drain Plug: Service and Repair

Drain Cock Replacement 

Removal Procedure

1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Drain the cooling system. 
3. Turn the e drain cock counterclockwise until the metal pin on the drain cock is aligned with the opening slot.

4. Pull the drain cock straight out of the radiator.

Installation Procedure

1. Align the metal pin on the drain cock with the opening slot on the radiator.

Radiator Drain Plug|Service and Repair|Page 2581 > < Temperature Gauge|Description and Operation|Page 2576