Quote Originally Posted by rspears View Post
I've got a big old Craftsman screw driver that's almost 2' long, 1/2" blade and an ear against the end of the handle works good to find noises, too. I'm hoping that Jerry's idea of a wiped lobe on the cam is not right, but that's a really good possibility.

Whatever works. I've always used wood to eliminate the possibility of getting shocked or shorting something out and I've had too many vehicles that didn't have fan shrouds and sometimes I can be a klutz.