2000 Mazda Protege high pitch sqealing

2000 MAZDA PROTEGE
120,000 MILES • 4 CYL • FWD • AUTOMATIC
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TREVORHOPPER
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My car has been making a squealing noise when I either turn on the heater or AC, usually when I am stopped or just sarting to accelerate. It also happens in the morning or when it is raining. When I hear the squealing I can turn off the heater or AC and the squealing stops. A lot of the time it is when I turn on the defrost in the morning on my way to work. Any suggestion as to what this may be?
Dec 21, 2007 at 12:20 PM
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MERLIN2021
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If it's comming from inside the car, it's the heater blower motor, if under the hood, The a/c pulley bearing or the serpentine belt(fan) and tensioner pulley
Dec 21, 2007 at 1:13 PM
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TREVORHOPPER
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Thanks for the response. I am lloking at taking my car in to fix this.

It is coming from under the hood as the fan goes on when the heater is on so I am gussing it is the serpentine belt and tensioner pulley.

It is a 2000 mazda protege 1.6L with 122,000 miles on it. I did have the timing belt service done on the car, could this have something to do with the noise?

If I get it fixed what is a price range for the parts and service?

Thanks
Dec 27, 2007 at 11:58 AM
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MERLIN2021
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Doubtful that the timing belt would make the noise, they have teeth, and don't slip. Serp belts are ribbed and can slip. Test the a/c clutch and bearing while you do the serp and tensioner...
Dec 27, 2007 at 2:16 PM