GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2008
🢒
TopKick C-Series (Conventional) C4/C5
🢒
Engine
🢒
Engine Cooling
🢒 Radiator Drain Cock Replacement
Removal Procedure
Drain cooling system. Refer to
Cooling System Draining and Filling
.
Insert a ¼ in drive into the drain cock and turn counter clockwise 180 degrees.
Remove the drain cock from the radiator.
Installation Procedure
Install the drain cock to the radiator.
Insert a ¼ in drive into the drain cock and turn clockwise 180 degrees.
Refill cooling system. Refer to
Cooling System Draining and Filling
.