2000 GMC C3500 Radiator Drain Valve

Tiny
B.N
  • MEMBER
  • 2000 GMC C3500
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

Tiny
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.
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Thursday, October 29th, 2009 AT 9:27 PM

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