CHEVY HEAT/COOL

2003 Chevrolet Avalanche

Tiny

COACHVJ

April, 19, 2008 AT 1:32 PM

Heater problem
2003 Chevy Avalanche V8 Four Wheel Drive Automatic 77000 miles

The heat cool control seems to be messed up. I'll have it on cool, then starts to blow wrm air and vice versa. I thought it only happened when a hit a bump in the road but, now it seems to do it all the time and is driving me crazy!

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