On my 94 Jimmy the pulley for the steering pump has a 3/8 Allen key screw and it won't budge. I Hurd you have to use a pulley puller to take it off, what's the right way to take it off. Thanks.
you need a p/s pump pully removal puller. you can rent one at a tool store easy to use. But don't return it till you reinstall the pully becaues you will also need to install the pully.