I have found it is much easier to remove the door, mark the hinges position on the door and the frame before removal, you need a vise to hold the hinge. Some pins are bradded on the end and need to be cut off before driven out, if you are lucky, all you need to do is drive out what is left of the old bushing and install the new one, but if the hole is oblong you will have to re-drill the hole and install a oversize bushing which can be bought at a auto parts store. Life is like a dance, you learn as you go!
All of the replys came in while i was typing, man am I slow