The front vents in my 03' gmc envoy will not blow cool air, but all other vents work, say sides , underdash, defrosters and rear vents are working. im being told its the blend doors not opening, im hoping this is an easy fix or something i can do? or maybe im still under warrenty 86,000 miles, can you help me.
that is good, but how do i know if that is the problem and how can i fix it , if it is the problemthat is good, but how do i know if that is the problem and how can i fix it , if it is the problem
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Re: The front vents in my 03' gmc envoy will not blow...
I dont think warrenty will cover this unless you have an extended warrinty however i think your problem is with your climate control switch on the dash
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If you recently had a weak battery or replaced a battery the HVAC unit will perform a recalibration of all doors. This causes the door motors to be moved full cycle and the mode door will stick some times. Usually this is the problem. The actuator motor will need to be removed and replaced...sometimes they can be recalibrated, but not often. Good luck, i hope this helps.
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.
most likely there is a napkin in the intake vent under one of the front seats.check to see if there is something in it,use a wire hanger to pull anything out,this should work.
the resister block needs changing... oddly enough i'm unsure of what fan you are saying is not working.... if it's the front.. the resister block is located on the duct work under the dash for the air... near the fan... you will see a connector going into the side of the duct work. two screws and the block comes out... should be fairly obvious for the rear one but it will be near the fan.
that is good, but how do i know if that is the problem and how can i fix it , if it is the problem
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