2000 GMC C3500 Radiator Drain Valve

2000 GMC C3500
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B.N
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Engine Cooling problem
2000 GMC C3500 V8 Two Wheel Drive Automatic

Where exactly is the drain valve (petcock valve) located on this radiator?
Oct 24, 2009 at 1:59 PM
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DR LOOT
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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.
Oct 29, 2009 at 9:27 PM
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