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2005 GMC Envoy antifreeze drain plug
MIKE NELUM
MEMBER
2005 GMC ENVOY
Air Conditioning problem
2005 GMC Envoy 6 cyl Four Wheel Drive Automatic
when I run my a/c, I find antifreeze coming out of a small drain hose in my rear passenger wheel well. Is this a major concern?
Thursday, August 12th, 2010 AT 7:20 PM
3 Replies
BLUELIGHTNIN6
MECHANIC
16,542 POSTS
Are you certain it is coolant and not just water? Water normally drains from vehicle after A/C has ran, that is normal.
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Thursday, August 12th, 2010 AT 7:52 PM
MIKE NELUM
MEMBER
2 POSTS
Well I tasted it it smells like antifreeze, it is thinner consistancy it is sweet and pinkish in color.
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Thursday, August 12th, 2010 AT 8:22 PM
BLUELIGHTNIN6
MECHANIC
16,542 POSTS
Ok since you're certain it's coolant than most likely the heater control valve is leaky and needs replaced.
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Thursday, August 12th, 2010 AT 8:34 PM
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