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I have noticed a roaring sound when the car was idle. I turned the air off and the sound went away. Would you happen to know what the problem might be?
It may be the A/C compressor, the radiator fan or something from the drive belts/tensioners. You'll need to pinpoint where the noise is coming from first, then try to determine the cause of the noise.
Q&A > Chevrolet > 2004 Chevrolet Impala
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