You don't. You have to replace the entire assembly. I had the same issue on the driver's side front door. Hinges were wore and sagging. Had to replace both hinges and don't forget to replace the stretch bolts as well.
How do you change the door hinge pins and bushings on a 2002 GMC 1500 pickup truck?"
There are three main types of door hinge pins available in the market: removable hinge pins, fixed hinge pins, and loose pin hinges. Removable hinge pins can be easily taken out for door removal or maintenance. Fixed hinge pins are permanently attached to the hinge and cannot be removed. Loose pin hinges have a pin that can be easily removed for door installation or removal.
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My advice based on experience is to replace the entire hinge assembly.
To replace the door hinge pins on a 1997 Jimmy you will need to open the door up. Place two jack stands on the front and back of the door's length at the bottom portion of the door for support. Remove the damaged hinge pin with the proper socket. Place the new hinge pin in place and secure it.
http://www.bodyshopzone.com/archives/mechanical/door/hinge/pin_replace_1.html
To remove the door of a Samsung fridge, locate the hinge cover on the top of the door and remove it. Then, unscrew the hinge screws and lift the door off the hinge pins.
The old door hinge pins have to be cut out with a torch on a 1989 F-150. Then, new hinge pins can be welded into place. This part might be available at an automotive salvage yard for a fraction of the cost of new hinges.
you might need to replace the hinge pins.. or the complete hinge
need to replace door hindge pins and bushing,how do we get door off safely.
Open door look at the hinge remove two pins holding it on and remove door place it on ground, pick up new door put pins back onto the hinge well holding door and you should be done.
To remove a door from its hinges, follow these steps: Locate the hinge pins on the door. Use a hammer and a flathead screwdriver to tap the hinge pins upward and out of the hinges. Once the pins are removed, lift the door off the hinges. Be sure to have someone help you support the weight of the door as you remove it.