Engine Cooling problem
2000 GMC C3500 V8 Two Wheel Drive Automatic
Where exactly is the drain valve (petcock valve) located on this radiator?
Saturday, October 24th, 2009 AT 1:59 PM
1 Reply
DR LOOT
MECHANIC
2,311 POSTS
The drain Valve is located on the left side, that is a driver-side, it has a 6 inch hoes connected to it, remove the hoes from its holder, point downwards into the container, open the valve, it only turns have 1/2 a turn, . So don't break it.