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There is a loud squeeling and chattering noise when I accelerate with the a/c on

(2002 Cadillac Escalade)
in Mondovi, WI on July 18, 2013
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
Displaying 2 answers & 2 comments
Popular Answer
on July 18, 2013
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.
on July 18, 2013
is there a recall on it?
on August 17, 2013
You may have bend reed valves in compressor if you turn the compressor around ten revolutions it may bind verifying the internals are bad.
on August 17, 2013
is it possible that its just the a/c clutch
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