Question about 2004 GMC Envoy

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2004 Envoy AC works but does not come out the front vents. Only @ windshield

I have a 2004 GMC Envoy XUV SLT. When I set the AC mode to come out the front vents to blow on me it only blows on the windshield and on the sides at the windows. Checked all fuses and all were fine. Switched out relays and still the same. Any suggestions? Thnx.

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  • Anonymous Mar 18, 2014

    when I switch the heat mode to floor it does no switch air is not directed to the floor it works well in all other modes such as defrost and panel.how do I fix this

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1 Answer

You most likely have a bad mode actuator. http://forums.trailvoy.com/showthread.php?t=40235

Posted on Sep 26, 2008

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2006 slt gmc envoy ac problems vent controls anbd


{: ) The popping sound you heard is caused by the sudden movement of an HVAC door, most probably coming from the recirculation door actuator (right dashboard area) or the mode actuator( mid dashboard area). The fan outputs could be normally working, but is being muffled by the incorrect positioning of the HVAC doors, giving an impression that there is fault in the blower controls. In other words, your vehicle is having an air distribution issue.
If there's no conflict in your climate settings, then the trouble may be in the HVAC doors binding or broken, or the actuators faulty or sticking. In both cases, servicing may involve removal of the dashboard to access these HVAC components.

Jul 20, 2010 | 2006 GMC Envoy

1 Answer

2004 GMC Envoy XUV (SLE pkg). AC will blow through EVERY vent EXCEPT the front dash vents. Dealer says entire dash has to come off to dx the prob and quotes exorbitant labor costs. Help!


There are two possible problems, a stuck blend door (this common) or the door controller has lost synchronization. The first requires disassembly of the dash and the second can be done with the following procedure'
Pull the HVAC-B (#36) fuse for 30 seconds (located in the rear fuse panel under the seat), then put it back in. Then turn the ignition switch to RUN (no need to start the engine). Don't touch ANY controls for 90 seconds. I don't think it matters what position the controls are in, but some people think it works better if you have the HVAC system turned off. After 90 seconds, the actuators have gone through their paces, the controller has new memory data on the end stops of the rotation of each actuator, and you might be good to go

Jun 11, 2010 | 2004 GMC Envoy

2 Answers

Air flowing thru front vents


I just changed my battery as well in my 04 Envoy XUV and the air on the passenger side would not blow. The air has since returned after I restarted but the flow on the bottom has been out for some time even before the battery change.

Jul 23, 2009 | 2004 GMC Envoy

1 Answer

No air coming out of rear vents


check the hoses going to the rear vents.

Jul 02, 2009 | 2004 GMC Envoy

1 Answer

2004 envoy xuv tailgate problems, will not latch or open sideways. I have a 02 Envoy SLT the rear liftgate Dose not have power. the wipers dont work the Lock dont work I can not program my keyless entry....


I also have a 2004 GMC XUV. My gate would go down but not swing open. In trying to fix it, the gate then refused to go to the flat position.I have removed the cover plate on the gate and found the one of the solenoids loose from its mounting. Resetting the computer by disconnecting both battery leads and holding them together for ten seconds worked to restore function to the gate going flat, but the swing still does not work. I believe it is a bad solenoid or motor for the bottem left latch pin.

Feb 24, 2009 | 2004 GMC Envoy

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