CHEVY AC COMING OUT OF DEFROST VENTS ONLY

2004 Chevrolet Avalanche

Tiny

kenezar

September, 1, 2010 AT 4:42 PM

Air Conditioning problem
2004 Chevy Avalanche V8 Four Wheel Drive Automatic 68000 miles

yesterday, I replaced my battery. Now, my ac only blows out of my defrost vents. Why?

FOUND 911 RELATED QUESTIONS

1 Answer

Tiny

hmac300

September, 24, 2010 AT 1:32 PM

First thing to do is pull the hvac fuse for 30 seconds then see if the heater module will reprogram itself. If not the picture that has #1 marked on it is the actuator and that may be stuck or no power coming ot it. see if you can play with it to unstick it.


http://www.2carpros.com/forum/automotive_pictures/406719_actuator_2.jpg

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