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GMC Yukon Climate Control AC and Heat Questions

109 messages,  Last post on Oct 02, 2009 at 3:30 PM

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What is this discussion about? GMC Yukon XL, Chevrolet Suburban, Chevrolet Tahoe, Heating / Cooling, SUV

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#66 of 109 2001 Yukon air conditioner blows warm air by stearnspk Jun 28, 2008 (5:59 pm)
Over the past three years we have had freon added to the system and each time we add a small amount it stays cold for a period of time. Each time this period of time is shorter. The last time it stayed cold for about 3 months only. The last two times the mechanic added dye to the freon and both times could not find a leak. Any possible solutions. Replies to this message: motery (Jun 29, 2008 10:40 pm)
#67 of 109 Re: 2001 Yukon air conditioner blows warm air [stearnspk] by motery Jun 29, 2008 (10:40 pm)
Replying to: stearnspk (Jun 28, 2008 5:59 pm) have you ever inspected the climate control fuse it might be a bad electrical problem, any way i'm going to share your story with some of my friends so give me some time and i'll get back at ya... good luck.
#68 of 109 Bebensee by bbebensee Jun 30, 2008 (4:46 am)
I still have no answer as to why when I turn on my heater, the only vents that blow warm air are in the front. The back vents never blow warm??????? 2004 Yukon. I have disconnected the battery to default the computer no luck. The fuse is fine. The vents are not plugged the airflow is fine. Again this only happens with the rear climate control.   CAn some one please help before Winter sets in, last winter was cold!!   Thanks Replies to this message: arrie (Sep 29, 2008 8:15 am) B4UBuy (Jan 15, 2009 6:24 pm)
#70 of 109 A/C problems 2002 Yukon by wilbanks Jun 30, 2008 (5:34 pm)
I have climate control. The A.C works sometimes and blows cold air and the it will turn off and A.C button on the bottom of control panel will blink and A.C turns off. And come back on after a while then back off. What is this a problem with the control panel? Replies to this message: rsht (Jul 20, 2008 6:34 am) stearnspk (Jul 21, 2008 6:20 pm)
#71 of 109 Re: Reprogramming Air Conditioning [jlflemmons] by gwf Jul 19, 2008 (5:34 pm)
Replying to: jlflemmons (Aug 01, 2007 8:16 pm) Yep, can confirm the "pull-the-fuse" fix. I replaced the battery in my '04 XL Denali, and the front A/C would only blow full heat (I could control the fan, but the temp seemed to be max heat regardless of the panel setting). The rear controls seemed to work fine. I disconnected the battery a couple of times (key off) thinking that would reset, but apparently not. After reading this thread, I pulled the (front) A/C control fuse (I forget the label, but there's one for the front, and one for the rear), and drove the thing out to dinner. When we came out, I put the fuse back in, and was relieved that the system seemed to return to normal. Never had any prior issues with climate control. Thanks!!
#72 of 109 Re: A/C problems 2002 Yukon [wilbanks] by rsht Jul 20, 2008 (6:34 am)
Replying to: wilbanks (Jun 30, 2008 5:34 pm) Just my guess, have you checked to see if your AC system has the proper level of 134a? Replies to this message: stearnspk (Jul 21, 2008 6:20 pm)
#73 of 109 Re: A/C problems 2002 Yukon [rsht] by stearnspk Jul 21, 2008 (6:20 pm)
Replying to: rsht (Jul 20, 2008 6:34 am) We took it in and had the problem fixed. It ended up being a small hole made by the screw in the rear mud flap that caused a small leak. It was covered by the insulation so the dye was not visible where it was leaking. Thanks for your help.
#74 of 109 Re: 2007 Yukon Denali a/c problem [jlflemmons] by mefixit Jul 26, 2008 (7:13 am)
Replying to: jlflemmons (Oct 07, 2007 8:34 pm) Tried pulling the 10 amp fuse under the hood. Didn't seem to work. Is this the only fuse I need to pull?
#75 of 109 AC Quits when it rains..HELP by ceden35526 Aug 03, 2008 (2:20 am)
2002 Yukon XL / AC works great until there is a rain and you drive through a large puddle.   My 2002 Yukon XL AC works great until I go through a large puddle of water and then the air light on the panel blinks and the air goes off. After a while the light will go back on and the AC blows cold air again. Replies to this message: arrie (Aug 03, 2008 4:59 pm)

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