Question about 2003 GMC Envoy

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

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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.

Posted on Aug 03, 2009

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Jan 21, 2016 | Cars & Trucks

1 Answer

My front heater is throwing very little heat the back is throwing more heat could hear the back blower but not the front


If you cant hear the blower on the front side, its probably gone out. If you can hear the blower and theres cold air coming out the vent, its the flap that switches from hot to cold thats not working

Jan 08, 2014 | 2005 GMC Envoy Xl

1 Answer

The auxiliary blower works even after the automobile is turned off. What do look for to fix this? What does it look like?


What do you mean by auxiliary blower? Are you referring to the fan that blows hot and cold are out of the vents? And what model Envoy do you have, is it the XL (long wheelbase) version?

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1 Answer

2003 GMC Envoy rear air conditioner will not blow air and front works fine but nothing works in back of car


You don't state if you have an XL or standard body. The rear blower on both have a fuse to the blower that could be blown.

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1 Answer

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1 Answer

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1 Answer

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Have the samw problem withm o5 took to the dealer and they said it is a know problem and it will cost 635.00 to get an auxilury pump for the heater core in the back. Something about not enough coolent.

Nov 19, 2008 | 2005 GMC Envoy Xl

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