Grinding like noise when AC is on
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Senior Member
Joined: Feb 2004
Posts: 513
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From: Honolulu Hawaii
Car: 1999 30th Anniversary Pontiac T/A
Engine: LS1
Transmission: T-56
Axle/Gears: 3.42
Grinding like noise when AC is on
Any of you had this problem before? I didn't really notice it until I went outside of my car when the A/C was on. is this normal at all?
Supreme Member
iTrader: (2)
Joined: Jan 2002
Posts: 9,962
Likes: 5
From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
No, sounds like the compressor has wasted itself. Make sure the noise is actually coming from the compressor and not some other part on the belt line. If it is the compessor, youll probably need a new compressor and, I think, a new condensor since I dont think the shrapnel and debris can be flushed out after the pump craps out.
Supreme Member
Joined: Apr 2003
Posts: 2,070
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From: Tempe, Arizona
Car: 96 Silverado/99 Suburban
Engine: 700 cubic inches of 'Muican Awesome
Transmission: 4L80/4L60
Axle/Gears: Chunky/Clunky
How bad is the grinding noise? Does it just sound like extra drag on the belt? Some times with an older belt the A/C will create too much drag and the belt will start slipping. Just a thought...
Bruce (90RS305)
Bruce (90RS305)
Member
Joined: Jan 2004
Posts: 191
Likes: 0
From: Arlington,Washington
Car: 88z
Engine: 305
Transmission: t-5
I had a similar problem before, what I did to fix it was take off the tensioner pulley and clean it out as best you can. After you clean it, spray some wd-40 and you should be good to go.
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sjorgens
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