Question about Mitsubishi Montero Sport

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I have a 2001 Mitsubishi Montero Sport with about 140K miles.At times I hear a screeching noise, mostly when a load is being applied, usually between 15-40mph. This only happens with the Air Conditioner on. If I turn the AC off the noise stops immediately. Turn the AC back on and there is no noise if above 45mph. Stop and with AC on apply a load the noise starts again. Can this most be the Harmonic Balancer and if so how do you remove and replace or could it be the clutch in the AC unit??

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  • VAGABOND43 May 20, 2009

    The sound is a screeching sound , almost like metal against metal

  • VAGABOND43 May 20, 2009

    Quick, great response from bepositive. Confirmed my thoughts that it is probably the bearing and completely satisified question as to whether it was harmonmic balancer. Will definitely be happy to use again.

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Its not at all the problem of harmonic balancer.that is confirmed .now If it's a creaking noise then it is most likely that your compressor is broken. the compressor assembly gets craked .also Sounds like you may have a bad bearing on the clutch hub. Take the belt off and spin the compressor hub and see if it spins smooth orrough.either the compressor or the bad clutch bearing.,----
get it checked.
please do rate the solution.thank you for using fixya.keep updated thanks.

Posted on May 20, 2009

  • bepositive May 20, 2009

    thats bearing problem confirmed.get the clutch bearing serviced.at a local car garrage.this will help.

    if by chance the noise is samre then the bearing needs replacement.

    you can get the required parts at

    www.autozone.com



    thanks please do rate the solution.

    '

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