grinding noise from ac - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-21-2007, 08:52 PM   #1
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Default grinding noise from ac

My ac compressor on my 96 bonny is making a grinding noise only when it'* off, but as soon as you turn the ac on it stops making noise! What do you guys think ? Thanks Bob.
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Old 09-22-2007, 10:46 AM   #2
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Default ac

The only thing that engages when on is the clutch solenoid. So the sound must be in the clutch field not retracting properly when off. The clutch could be dragging in the field housing. Try lubing the mechanism without getting it into the clutch itself.
There is also the possibility the bearing is going.
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Old 09-22-2007, 01:43 PM   #3
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VillianVille this is a common problem.

Read this.

http://www.bonnevilleclub.com/forum/...ghlight=clutch
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