Compressor Sound from Engine on Start and Acceleration. - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 1 (permalink) Old 01-20-2011, 09:15 PM Thread Starter
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Compressor Sound from Engine on Start and Acceleration.

Hello everyone,
I am recently mentioned change in my engine sound, and I hope that someone here already had similar problem. So - recently my engine started sound louder, that it usually is - especially, when I accelerate. The sound is similar to compressor sound, and the faster I accelerate, the louder it gets. (Tho my radio sounds louder, even on max acceleration). I'd say it starts when RPMs gets over 3. It gets quieter once I am stop accelerating.
My main question - is it dangerous? What could that be? And how do I fix it? Thank you for your answers.
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2.2l , 2005 , chevy cobalt , compressor , engine noise

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