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			Plus 1 on the oil filter, also...if you don't have a stethescope, a dowel rod will work just as well (1/4 to 3/8 in diameter).  
 Have you taken your interior engine cover (behind the seats) off as well as the top engine cover?  In listening to the video it almost has a failed bearing from a steering pump or AC unit...just a guess.  Fingers crossed for you it is something minor and fixable.
 
				__________________When life throws you curves, aim for the apex...
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