Question about 1997 Nissan.5 Altima

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Faulty Air Compressor

What are the consequences of not replacing the air compressor in my 1997 Nissan Altima? My AC works just fine but every now and then I hear a skreetching noise when I hit the gas but ONLY when the AC is on. I'm debating if I can hold off until next summer to fix but want to be clear on what affects this could have on other parts if I don't address it immediately. I'm almost at 200K miles and was told it's not worth fixing.

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  • malibu3js Jul 29, 2009

    I had two people look at it while the AC was off and on. They both felt it was the compressor going. I'm having it looked at by a mechanic this week but wanted to have an idea of what I can expect to hear so that I'm not being forced to do work that I don't absolutely need right now. I should know by Friday if it's definitely the compressor or something else. Thanks dallasman999 and youdoit.



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Are you sure the noise you are hearing is not belt slip?try this,with engine running a/c off look at the a/c compressor while you are looking at the compressor get someone else to switcna/c on you should see the magnetic clutch pull in on the comp. and start spinning with the other pully get the other person to rev the engine you will hear where the noise comes from but watch to see if the inner clutchkeeps spinning.if it hesitates ,stops and starts again then she is on the way to seizing if not you just find the belts are slipping

Posted on Jul 29, 2009

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The compressor belt needs to be tightened a bit to stop the skreeching. The worse that can happen is the compressor could lock up, throw the belt and other belts and leave you stranded, other then that it could spit out metal and pollute the rest of the system causing a more expensive repair bill.

Posted on Jul 29, 2009


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