Mechanics

FRONT DOESN'T BLOW HOT AIR

2001 GMC Yukon

Heater problem
2001 GMC Yukon V8 Four Wheel Drive Automatic 65000 miles

When set to hot, front doesn't blow hot air, but when back is set to hot, it blows hot air. Engine temp normal. A/C seems to work fine. Thanks.
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Huntinal
December 5, 2009.



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