Pinging sound - bearing in belt pulley?

09-27-2010, 06:41 PM
I've started hearing a tinging, pinging noise. I open the hood at idle and it sounds like it is coming from the pulley on the main belt. Is there a bearing in the pulley or a motor that drives the belt that could be causing this noise?

BTW, the car seems to be running just fine other than this pinging noise that I hear when sitting idling.

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