Question about 2004 GMC Envoy
My 2004 Envoy air conditioner only blows air in the foot compartment area and in the rear. It does not blow air through the dash vents. It seems like a flapper (if any?) is not working that changes the setting the front foot air setting to the dash vents. Is there a switch, fuse, or relay that may be causing this problem? Please help...
I have just ordered the part to fix this. It is the A/C vacuum actuator (not sure why they call it a vacuum actuator because it is an electric actuator). It is under the dash on the driver's side close to the radio. There are two in the same area. It is the one closest to the floor. You can verify by taking it out (pull out duct that runs from center of vehicle to the outside to get better access), and actuating the vent by hand with the blower on to see if you now get air out the middle vents.
The part number is 1573596 from Rock Auto on the net. It cost $40.79.
Posted on Jun 07, 2009
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Posted on Jan 02, 2017
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