RE: Chevrolet Suburban AC Issue? Weird!
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RE: Chevrolet Suburban AC Issue? Weird! - 8/22/2006 5:56:46 PM
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Zach
Posts: 9
Joined: 8/15/2006
Status: offline
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I'll try that. Thanks!
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RE: Chevrolet Suburban AC Issue? Weird! - 8/27/2006 10:57:06 AM
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Zach
Posts: 9
Joined: 8/15/2006
Status: offline
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I decided not to go with a quick-fix since it would be best to wire it in as it originally was.
I was reading about.com in my extensive research into this problem, and found a topic that said the following:
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http://experts.about.com/q/GMC-Repair-813/97-GMC-Suburban-AC.htm
Expert: Jim Gautreau
Date: 6/14/2006
Subject: 97 GMC Suburban AC
Question
The AC compressor on my 1997 GMC Suburban will not engage. It appears that there is no power to the compressor clutch. I have checked all of the fuses I can find and I have replaced the AC relay under the hood. It will not engage when I press the AC button or when I turn on the defroster. All of the fans inside work.
Answer
You either have a low charge which is preventing it from working, or the low pressure cycling switch is stuck. The switch is on the accumulator near the passenger side firewall. Try useing a paper clip to jump it and see if your A/C works. If it does then you need to replace that switch.
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After reading this response to another person's identical problem, I decided to investigate the possibility that the low pressure cycling switch is stuck. I hooked my multimeter up to the cable that provides power to the AC clutch and there is no power running to it. Therefore, I think that the problem may lie with the low pressure cycling switch. Does anybody know anything about this? More specifically, what the switch looks like and how I can check it?
Thanks again everybody!!
Zach
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