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2008 Chevrolet Impala Question: noise coming from a/c when the engine is turned off.

 

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aggie 1, North Las Vegas, NV, August 30, 2010, 08:21
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every time the engine is turned off there is a ratteling noise from the a/c. this goes on for a min. or more. the noise is there sometimes when we come back to the car.

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  • Answer #1

    badbadlee from Lee's Auto Care, February 02, 2011, 12:58
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     Technician

    THIS IS PROB A NORMAL NOISE! IF ITS A HISSING NOISE ITS THE A/C SYST EQUALIZING ITSELF WHICH IS NORMAL THANKS LEE 702-629-2273

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