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GMC Yukon AC and Heat Questions

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Comments

  • I appreciate your earnest to help. I apologize if my previous post was curt. The system now lets me choose between the defroster vents and the floor vents. If I or the auto climate control choose the front/face vents it defaults back to the defroster vents.
  • phochephoche Posts: 5
    Something that has long been a problem with my 2000 Yukon XL is outside air blows in on the front passenger side. In winter, it makes your leg numb after a while. I've tried stuffing pillows and blankets in there but the cold comes through anyway. Any ideas what might be wrong? I mean really, I'm all for some fresh air but this is awful.

    I've tried every button combo on the climate control, no change... except today. The fool thing stuck on High heat. We had to drive with the windows open to stay cool and it was only 25 outside. I've fixed that with the "disconnect the battery" method referenced earlier. Now it's back to a cold leg for a full day of travel again tomorrow. Any ideas or pointers technical data to allow me to fix this economically?
  • doneildoneil Posts: 10
    After trying all that was recommended and then getting an estimate from a shop I thought I could trust, I finally bit the bullet and took the truck to the dealer. At around $600, his cost was still about $200 less than my former mechanics estimate. It ended up being the vent actuator previously discussed. The dealer retail for the part was about $250, although I could have bought an identical part on the web for about $50. The rest was labor to R&R the console and bottom portion of the dash. I'm certain I could have done this myself a lot cheaper, but my time has a monetary value as well. The best justification I can give for paying this amount is that they fixed it right the first time, and now I'm hoping never to have to deal with it again.
  • gmcustsvcgmcustsvc Posts: 4,086
    We're glad to hear that everything has been resolved, doneil. Keep us updated if anything should come up as we're happy to follow up with your dealership for you.

    Sarah, GM Customer Service
  • i have a 2005 gmc yukon and my a/c will not work on the front only when i am diving. the rear system works fine. what could it be the problem?
  • raymondbmraymondbm Posts: 2
    Wow I am instered in your reprogram the climate control system I have a 2007 Saturn Outlook RE I would like to know how you reprogram climate control system. I know that the two vehicles are similar it has a fuse box inside the car that has HVAC fuse and it has a fuse box underhood that has a HVAC fuse and a RRHVAC fuse in it. It would be great if you can help me. Thank you very much :confuse:
  • yukonguy1yukonguy1 Posts: 2
    I just recently acquired a 95 2 door Yukon and everything works great except the AC. It comes on, the compressor kicks on, it blows nice and cold however, when I give it gas, it blows heat. When I'm at cruising speed on the freeway, it's great. In town when i have to stop at lights and stop signs, when I give it gas, it blows heat. Is this a somewhat easy fix ? Anyone who has any info on this, it would be greatly appreciated. I live in Vegas and its already hitting 110 degrees. Thanks everyone !
  • casey50casey50 Posts: 1
    Did you find an answer to this problem? I have the same issue.

    Thanks
  • raymondbmraymondbm Posts: 2
    No, I am going to the dealer to see how much it going to cost me.

    What do you think about a car that is only a 2007 and only having 46,000 miles having this problem?
  • yukonguy1yukonguy1 Posts: 2
    Still having the problem. Can't afford to fix it right now
  • Would be very interested to hear what the dealer said. I have a 2004 with the same issue.
  • rkg1rkg1 Posts: 13
    PLEASE HELP:
    Problem: My 2002 Yukon XL wouldn't start (no cranking, nothing....). Dealer 1st said it was the alternator (1 yr old), then they said it was the battery (1 1/2 yrs old). They changed the battery.

    New Problems: Ever since they put in a new battery, I've had a series of different new problems.
    For example:
    1) The "ABS & Parking brake lights" display come on & off intermittently on my dash
    2) Front and rear wipers no longer work
    3) At first the A/C would not blow out of the front dash vents... then the next day they did work. Now a few days later... the left driver side blows cold out of the top & floor vents and the passenger (right) side blows HEAT out of the top & floor vents.

    The Dealer has said these are unrelated events. I don't agree.

    ANY advice as to what they might have done or how I can fix it??? I have a feeling it's just something they might have accidentally done or a fuse or something that can easily be fixed.... (I'm hoping : )

    ALL advice welcome. I want to bring it back ASAP.

    thanks!!!!!
  • rkg1rkg1 Posts: 13
    PLEASE HELP:
    Problem: My 2002 Yukon XL wouldn't start (no cranking, nothing....). Dealer 1st said it was the alternator (1 yr old), then they said it was the battery (1 1/2 yrs old). They changed the battery.

    New Problems: Ever since they put in a new battery, I've had a series of different new problems.
    For example:
    1) The "ABS & Parking brake lights" display come on & off intermittently on my dash
    2) Front and rear wipers no longer work
    3) At first the A/C would not blow out of the front dash vents... then the next day they did work. Now a few days later... the left driver side blows cold out of the top & floor vents and the passenger (right) side blows HEAT out of the top & floor vents.

    The Dealer has said these are unrelated events. I don't agree.

    ANY advice as to what they might have done or how I can fix it??? I have a feeling it's just something they might have accidentally done or a fuse or something that can easily be fixed.... (I'm hoping : )

    ALL advice welcome. I want to bring it back ASAP, but everyday problems seem to come and go randomly.

    thanks!!!!!
  • my front ac works fine, its the rear climate control that does not work the fan doesnt blow cold or hot air im assuming its a fuse but i am unsure of which one to get any help would be greatly appreciated
  • I have a 2000 Yukon XL. The front passanger side blows cold air in the winter but the rest of the vehicle gets heat.
  • I have the same problem. Did you have a fix.
  • chrisj1954chrisj1954 Posts: 1
    edited December 2013
    I have a 2003 Yukon SLT I bought used. It has 155K miles. It will not put out heat to the back seating areas. I spent a half hour in the Yukon with the owner's manual trying to see if I could figure it out on my own.

    The fan and blowers work great, I've got all the controls set according to what the owners manual says, but no hot air, even with the heat turned all the way up. It's like the controls for the rear and far rear are set on permanent A/C. The dealer we bought it from says it might be a solenoid, but I am hoping to not take it to a repair shop if I can help it. Does anybody have any ideas? I LOVE my Yukon except for this.

    Thanks for any help
  • doneildoneil Posts: 10
    Read this thread from the GMC/Tahoe/Yukon Forum. I'd be willing to bet it's the Vent Door Actuator that is failing. Replacement part is less than $50 on eBay or $250 from the dealer, plus labor.

    http://www.tahoeyukonforum.com/forum/showthread.php?t=17741

    Good luck...
  • ok so i the heater blows cold air.. we have fixed the leak in the radiator and changed the thermastat and the lines r getting hot that r goin to and from the heater core.. a/c works great but cant get the heat to work.. the rear heater is not workin either.. but we had to pull the fuse on the rear cause it would run when the car was off..
  • Guys,

    I really don't know how to describe this but I will do my best. In the winter months I have to park my Tahoe outside in the cold. When I start the Tahoe I get a screeching sound that is unbelievably loud for the entire length of time that the door chimes would be on. If the radio is on it will just continue screeching. Once the Tahoe warms up or on days that it is not cold, the Tahoe just does the normal chime.

    Does anyone know how to fix this or what it might be? It will scare the crap out of you and it is very annoying. I have had the dealership look at it but by the time I drive it to the dealership the Tahoe has warmed up and it won't do it any longer.

    Almost like a sensor is stuck (due to being cold) and then starts working. Any help would be appreciated.
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