The tensioner is the "silver lever looking part" with the square hole and a pulley at the bottom. The square hole is where you put a 3/8 inch ratchet or serpentine belt removal tool to release the tension to remove the belt.
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=trouble&Number=1146897&page=&view=&sb=5&o=&vc=1
Last edited by Tony2005; 05/12/06 02:36 AM.