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GMC Yukon Climate Control AC and Heat Questions

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

You are in the GMC Yukon Forum. Your Hosts are steve_ & tidester

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

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#44 of 109 Re: 2003 A/C problem [eodman] by lpfeifer Dec 20, 2007 (12:40 pm)
Replying to: eodman (Dec 20, 2007 7:50 am) Do you have dual air/heat? Lyle Replies to this message: eodman (Dec 21, 2007 5:17 am)
#45 of 109 Re: 2003 A/C problem [eodman] by lpfeifer Dec 20, 2007 (12:51 pm)
Replying to: eodman (Dec 20, 2007 10:39 am) There is a plug that goes into the AC/heater fan. You have to remove a cover that is held on with 3 or 4 screws and you can see the fan motor. This cover goes from the passenger side all the way to the middle of the tunnel. The plug is on the right or inside of the fan and kind of hard to get to and remove. The fan is located on the passenger side of the car, the plug, if like mine is shorting out. It is connected to a box or block, similar to the resistor block on a non auto climate control unit. Yours runs about $130.00. I replaced mine as the plug melted due to being installed wrong. Look inside the plug for bunt contacts. One of mine, the main power point was pushed all the way down and did not spring back up to allow good contact, causing a high resistance and heat build up causing the plug to melt. If you pound on the cover about 1 foot over from the passenger side wall with your hand, your fan should start. But remember, this plug is getting hot. This is at least what happened to mine. Worse case, if you need a new plug, you have to buy the harness just to get the plug, I think they said about $165.00. Hope this helps. Let me know, as I had this problem with a 2001. Lyle Pfeifer Replies to this message: eodman (Dec 20, 2007 1:29 pm)
#46 of 109 Re: 2003 A/C problem [lpfeifer] by eodman Dec 20, 2007 (1:29 pm)
Replying to: lpfeifer (Dec 20, 2007 12:51 pm) thanks for the info... i'll check it out and let you know if it worked
#47 of 109 Re: 2003 A/C problem [lpfeifer] by eodman Dec 21, 2007 (5:17 am)
Replying to: lpfeifer (Dec 20, 2007 12:40 pm) i have dual zone in front and rear air/heat in the back. I will take a look at the plug this weekend if i get a chance.
#48 of 109 Re: Reprogramming Air Conditioning [fireballs] by fireballs Dec 23, 2007 (12:18 am)
Replying to: fireballs (Dec 14, 2007 8:56 pm) Well guys,   I remove the fuse and waited few minutes before replace it.   It didn't work. I still have cold air blowing on the drivers side and hot air blow from the passenger side/. Any Ideas
#49 of 109 my SUV AC is on even after i turned the ignition off. by motery Dec 26, 2007 (12:26 am)
Hey guys!! I have a GMC Yukon XL ’02 and it was fine with me until today, I drove to work (it’s about 20 minute drive) and after I park it I turned it off, then suddenly the AC turned on as if it on Auto, I tried ever thing to shut it down I remove the large gray fuse and small 10amp fuse under the hood and the AC still works I turned the SUV on and I couldn’t even control the AC it seemed it has a mind of it's own.  finally I unplugged the battery and guess what … it works the damn thing went back to normal. my question is what the hell is wrong with my SUV… !!???? Replies to this message: tidester (Dec 26, 2007 12:56 am) motery (Dec 26, 2007 1:58 am)
#50 of 109 Re: my SUV AC is on even after i turned the ignition off. [motery] by tidester HOST Dec 26, 2007 (12:56 am)
Replying to: motery (Dec 26, 2007 12:26 am) Are you sure it was the air conditioning that was running or was it just the air conditioning fan? The fan will run off the battery/alternator which suggests that your fan switch is faulty. The compressor does not run off the battery.   tidester, host SUVs and Smart Shopper Replies to this message: motery (Dec 26, 2007 1:58 am)
#51 of 109 Re: my SUV AC is on even after i turned the ignition off. [tidester] by motery Dec 26, 2007 (1:58 am)
Replying to: tidester (Dec 26, 2007 12:56 am) no it was the fan only ... well thanks a lot pal... it seemed that the fan switch is damaged...
#52 of 109 2004 Yukon Rear Climate Control by bbebensee Jan 17, 2008 (3:14 pm)
All of the rear air vents push out cold air where as the front control works just as it is suppose to. Is it a matter of resetting the computer or is it mechanical. The dealer wants $900.00 to possibly fix the problem? Replies to this message: obyone (Jan 28, 2008 12:33 am) cheapengineer (Mar 01, 2008 8:12 am) tjustus (May 11, 2008 2:07 pm)

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