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2002 Cadillac Escalade Question: there is a loud squeeling and chattering noise when I accelerate with the a/c on

 

Question

barry christianson, Mondovi, WI, July 18, 2013, 17:16
 Rookie

it doesn't make the noise with the a/c off,I have replaced the tensioner pulleys and and it seems to be in or around the compressor, do you know what is causing the noise

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  • Answer #1

    crgilbert July 18, 2013, 20:15
     Enthusiast

    GM has a bulletin out about this issue. The cure is to replace the A/C compressor. The original compressor causes the belt tensioner to become damaged from the startup load on the belt.

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    barry christianson, July 18, 2013, 20:17
     Rookie

    is there a recall on it?

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  • Answer #2

    rmartin723 August 17, 2013, 18:21
     Rookie

    You may have bend reed valves in compressor if you turn the compressor around ten revolutions it may bind verifying the internals are bad.

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    barry christianson, August 17, 2013, 19:10
     Rookie

    is it possible that its just the a/c clutch

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