by 93flatbed » Sun Oct 11, 2009 9:27 am
Try taking the belt off and see if the noise goes away. This will give a starting point. Weather it's belt driven or engine related. Also look real close at the fan blades where the connect to the hub. Seen a couple of fan blades cracked there.
93 W250. Waiting on EFI live to come out with a ve version.