1999 mazda protege makes loud noise under the hood when ac or fan turned on. What could cause it?

Asked by Oct 13, 2014 at 09:37 PM about the 1999 Mazda Protege 4 Dr DX Sedan

Question type: Maintenance & Repair

I have a 1999 Mazda protege . It makes a loud squealing noise under the hood when the
fan or ac is turned on. It stops when I turn off the fan off .

1 Answer

12,410

sounds like a bearing in one of the pulleys.

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