2001 Oldsmobile Alero noise while using "outside air&q

2001 OLDSMOBILE ALERO
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MRBOJANGLES9591
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2001 Oldsmobile Alero

When I use the air condtioning and use "outside air" there is a weird scraping noice coming from the engine, even when it is not moving. However, when I have the air recirculate then there is no noise.
Mar 8, 2010 at 11:44 PM
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