Question about 2001 Nissan Altima

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I have a 2001 Nissan Altima when I turn on a/c there is a screeching sound which eventually goes away?

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This sounds like a loose or bad belt, this could be the alternator belt or the ac belt, the alternator and the ac may use the same belt to drive them both, this is what the problem sounds like to me. if this problem has been going on for a while then i would just replace the belt or belts, this is because the slipping belt causing this noise may be glazed so replace them and make sure they are tight and that will solve that problem good day.

Posted on May 22, 2011

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