2001 Mazda 626 Squeal/Shriek in park

2001 MAZDA 626
135,000 MILES • 4 CYL • FWD • AUTOMATIC
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AUTONOVICE505
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Whenever the car idles in park, there is a very loud shrieking/squealing noise. Note that whenever I switch to reverse, or drive, or even neutral it is gone and the car sounds (and drives) fine. I haven't noticed any other problems.

It has been happening more and more frequently within the last week.
Aug 31, 2009 at 10:48 PM
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F4I_GUY
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This sound is often related to a loose or worn accessory belt in the engine compartment. When the vehicle is put from park into drive or reverse the load changes on the vehicle, that may be why the noise goes away or quiets down.
Sep 1, 2009 at 5:36 PM