2004 Chevy Avalanche AC coming out of defrost vents only
2004 CHEVROLET AVALANCHE
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?
have the same problem?
Wednesday, September 1st, 2010 AT 4:42 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.