Question about 2002 Mitsubishi Lancer

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2003 mitubishi lancer

When the ac is on the car makes a noise kind of like squeeking, but louder. when you turn off the ac it is no longer evident. The ac works well with no noticeable problems. wondering if it is a belt or something or the ac compressor. I'm shying away from taking it to the dealer as I don't want to really know how much it is going to cost, but would like to find out the problem.

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I think the noise is most likely from the drive belt, the reason it makes noise with the AC on is that it takes 5 horsepower or more to run the AC compressor, this puts a heck of the load on the belt, as the belt ages it gets hard and polished, this causes slippage, and squeal, esp when a load is on the belt like the AC.

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Posted on Aug 07, 2008

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I am sure the issue is belt related noise, it must be inspected not just for the belt but the idlers and pulleys the belt runs on, they may have a worn bearings or other damage, if all looks good then and only then change the belt. I hope this info is helpful.
We get no compensation our time, if you feel that I helped please rate me.

Aug 07, 2008 | 2002 Mitsubishi Lancer

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