Question about 2004 GMC Envoy

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No air coming out of rear vents

I have a 2002 gmc envoy xl slt,there's no air coming out of the rear vents , there is power at the controls , the rear radio works, its showing that the fan is on, but nothing is coming out of the register [vents] is there a switch?

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Check the hoses going to the rear vents.

Posted on Jul 02, 2009

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Proper tire size for 2006 envoy


Shane, Base 235 75R16, SLE, SLT, XL SLE, XL SLT P245 65R17,
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I have a 2002 GMC Envoy XL that blows cold air from the rear heat vents. What could the cause be?


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Jan 21, 2011 | 2002 GMC Envoy

1 Answer

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

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How do I remove the pin from the rear differential in my 2002 GMC Envoy SLT. It seems to be welded in!


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Removing rear air suspension on GMC Envoy


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1 Answer

2003 envoy xl fan not blowing air out front vents. But air coming out back vents but its hot


sounds like you have two problems, if there is no air from front then you need to ck power to your blower motor, if no power you need to ck your blower resistor and connector, second if no cool air from rear your compressor may not be engaging, make sure you ck your fuse for the front hvac system.

Jul 29, 2009 | 2003 GMC Envoy

1 Answer

2002 GMC Envoy xl both rear vent windows wont open


The fuse sometimes located by rear controls or could be switch faulty..Double check that!

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