gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Radiator Hose > < Heater Hose Replacement - Inlet|Page 3172
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Radiator Drain Plug: Service and Repair

Drain Cock Replacement 

Removal Procedure 

1. Drain cooling system. 

2. Use a 1/4 inch drive in order to open and release the drain cock.
3. Remove drain cock.

Installation Procedure 

1. Install drain cock.
2. Refill cooling system. 
3. Start engine and check for leaks.

Radiator Hose > < Heater Hose Replacement - Inlet|Page 3172