2005 GMC Envoy antifreeze drain plug

2005 GMC ENVOY
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MIKE NELUM
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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?
Aug 12, 2010 at 7:20 PM
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BLUELIGHTNIN6
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are you certain it is coolant and not just water? water normally drains from vehicle after A/C has ran, that is normal .
Aug 12, 2010 at 7:52 PM
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MIKE NELUM
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well i tasted it it smells like antifreeze, it is thinner consistancy it is sweet and pinkish in color.
Aug 12, 2010 at 8:22 PM
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BLUELIGHTNIN6
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ok since you're certain it's coolant than most likely the heater control valve is leaky and needs replaced.
Aug 12, 2010 at 8:34 PM