MY A/C MAKES A REALLY LOUD SQUEELING/CHIRPING NOISE WHENEVER ITS ON WHAT COULD BE THE PROBLEM?

1999 Nissan Sentra

Tiny

dhulse96

February, 8, 2012 AT 5:49 PM

It doesn't go away until I hit high speeds or turn off the a/c but as soon as I slow down or turn the a/c back on I starts back again

I've already replaced the bearings

FOUND 4 RELATED QUESTIONS

6 Answers

Tiny

ASEMaster6371

February, 8, 2012 AT 5:57 PM

Loose belt or the compressor is locking up.

Roy

Tiny

KHLow2008

February, 8, 2012 AT 9:58 PM

If the belt is not loose or the compressor good, check for a bad harmonic damper on the crank pulley.

Tiny

dhulse96

February, 10, 2012 AT 3:47 AM

My mechanic said it might be the compresser, is tht something I need to fix right away, and can I still try to ride with the a/c?

Tiny

KHLow2008

February, 10, 2012 AT 12:55 PM

If it is the compressor, you can drive but avoid using the A/C to prevent any unwarranted damages if the compressor were to give way.

Tiny

dhulse96

February, 16, 2012 AT 3:31 PM

What if it makes a low squeeling noise even when the a/c is off and hasn't been turned on yet

Tiny

KHLow2008

February, 16, 2012 AT 5:51 PM

Then you would need to check the other drive belts. It could be the alternator belt or as I mentioned in previous post, a bad harmonic damper.

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