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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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#39 of 109
Re: 2003 A/C problem [eodman] by lpfeifer
Dec 18, 2007 (7:34 am)
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Replying to: eodman (Dec 18, 2007 5:45 am)

This sounds kind of like my problem with the 01. Due you have the auto climate control? Does the rear blower work, even if the front one does not? Let me know this, and if this is the case, I might be able to help you.
Lyle Pfeifer
#40 of 109
Re: 2003 A/C problem [lpfeifer] by eodman
Dec 18, 2007 (2:21 pm)
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Replying to: lpfeifer (Dec 18, 2007 7:34 am)

yes.... rear works as designed and the front is the only one that gives me problems. it has auto and i'm tried the fuse reset... maybe i'll try it again just longer.
 
ok this morning it was cool 45degrees and it took awhile to come on. now it's 65 and it will turn on real quick... if it's 100 the a/c will take awhile to blow
 
but rear air is normal in all aspects
#41 of 109
Re: 2003 A/C problem [eodman] by eodman
Dec 20, 2007 (7:50 am)
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Replying to: eodman (Dec 18, 2007 2:21 pm)

come on now?????? nobody has any ideas?????
#42 of 109
Re: 2003 A/C problem [eodman] by tidester HOST
Dec 20, 2007 (10:15 am)
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Replying to: eodman (Dec 20, 2007 7:50 am)

Maybe the fan is "gummed up?"
 
tidester, host
SUVs and Smart Shopper
#43 of 109
Re: 2003 A/C problem [tidester] by eodman
Dec 20, 2007 (10:39 am)
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Replying to: tidester (Dec 20, 2007 10:15 am)

not sure... it works and works well.. but, it has to finally decide to turn on and once it has been going for awhile it will turn on instantly.
#44 of 109
Re: 2003 A/C problem [eodman] by lpfeifer
Dec 20, 2007 (12:40 pm)
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Replying to: eodman (Dec 20, 2007 7:50 am)

Do you have dual air/heat?
Lyle
#45 of 109
Re: 2003 A/C problem [eodman] by lpfeifer
Dec 20, 2007 (12:51 pm)
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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
#46 of 109
Re: 2003 A/C problem [lpfeifer] by eodman
Dec 20, 2007 (1:29 pm)
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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)
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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)
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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

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