Question about 2002 Ford Escape

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It makes a knocking noise when i turn it on the air condinting.

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  • yadayada
    yadayada May 11, 2010

    WHERE IS THIS NOISE COMMING FROM?

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The noise could be either the A/C clutch, or the harmonic balancer. with the engine off and the car keys in your pocket ( for safety reasons). raise the hood, look down and find the a/c compressor, use your finger and see if you can spin anything on the compressor easily.If so you need a new a/c clutch and probably the pulley also. These can be change on the vehicle,but it takes time. Have a mechanic check it out for sure,just to be safe.
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Posted on Jul 27, 2009

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