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				Strange sound from engine
			 
 
			A week ago I started hearing a grinding sound coming from my engine.  It's a 2001 986 and has 63,000 miles on it.  Can anyone help identify what it might be and point me in the right direction.  Here is a link to a video. quality is poor but you can hear the noise. https://youtu.be/9YvGlt_BMfo
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