Air Conditioner Causes Squeling/Chirping - Pontiac GTO Forum
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Old 07-12-2010, 04:20 PM   #1 (permalink)
 
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Air Conditioner Causes Squeling/Chirping

Any clues to what this might be guys? Only makes the noise when I turn the AC on, and if I go into neutral it seems to stop. Very annoying and kinda loud-ish.
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Old 07-12-2010, 04:26 PM   #2 (permalink)
 
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Your AC might need recharged(I believe the stuff it is filled with has an oil in it). Also, is your compressor cluch working?
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Old 07-12-2010, 04:47 PM   #3 (permalink)
 
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Squeling in not a sign of a low charge condition. Check your belt tensioner. There are two. I'm talking about the lower one on that tensions the compressor belt.
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Old 07-13-2010, 12:14 AM   #4 (permalink)
 
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It might be a bad idler pulley on the AC, not applying enough tension to the belt. Or the AC is overcharged causing excessive drag on the compressor causing belt slippage. May just be time for a new AC belt.
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Old 07-13-2010, 08:56 AM   #5 (permalink)
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Belt might need to be replaced.
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Old 07-13-2010, 09:32 AM   #6 (permalink)
 
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Yeah, let's rule out overcharge/undercharge as earlier suggested. He never that said it wasn't getting cold. For it to be overcharged, someone would have has to have overcharged it (again not mentioned). The info given leads me to either the belt tensioner (idler pulley) as I suggested or the belt itself.
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Old 07-13-2010, 10:56 AM   #7 (permalink)
 
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Guys, thanks a ton. I'll check when I get home. My AC is VERY COLD by the way. I havent done anything to the AC since ownership about a year ago. As always thanks for the big help, thats what I love about this forum.
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Old 07-30-2010, 06:36 PM   #8 (permalink)
 
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probably just a belt, not enough tension. what part of indiana u from? im in evansville...
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Old 09-04-2010, 12:13 AM   #9 (permalink)
 
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im having a similar problem but mine is constant. it started slowly. first only when i accelerated, now its squiring even during idle. i had the ac recharged recently, but i highly doubt thats it.
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