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2006 Acura TL Question: What causes a loud high pitch sound when the air conditioner is turn on



Visitor, Colchester, CT, July 30, 2011, 23:16

At start up, and through out the speed range

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, July 31, 2011, 02:04

    Have it checked out, could be a loose fan belt, a bad compressor clutch or an exhaust heat shield that resonated when the engine is under increased load of air conditioning load.

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