The door is very heavy so I have supported it when I have replaced the hinges. If I recall correctly you need a punch and hammer to pound the old one out from the bottom (one at a time). Then tap the new one in from the top. I have run into problems on some vehicles with replacements being to long and having to cut them just a bit.
by using only the information given, your answer is to replace the lower door hinge pin and bushing.
To fix a door hinge, you can tighten the screws on the hinge or replace them if they are stripped. You can also lubricate the hinge with oil or grease to reduce friction. If the hinge is damaged, you may need to replace it with a new one.
The '90 camaro has three bolts that hold the door hinge to the body and I believe three that hold the hinge to the door. The easiest way I've found is to score the position of the original hinge location and remove the bolts with the appropriate wrench with the door open. Be sure to have the door supported because it will try to sag. Once the new hinge is in place, align it to the original hinges location and tighten your bolts down.
need to replace door hinge pin on 189 mitsibushi Triton tray back
You can replace the top door hinge with bottom hinges on the 1992 as long as the hinge is for the cab doors. The hinges for the tailgate would not work on the doors.
http://www.bodyshopzone.com/archives/mechanical/door/hinge/pin_replace_1.html
To replace a tracker door hinge, first, remove the door from the frame by unscrewing the existing hinges. Next, take out the old hinge from the door and the frame. Align the new hinge with the pre-drilled holes or mark new ones if necessary, then secure it in place with screws. Finally, reattach the door to the frame by aligning it with the new hinge and tightening the screws.
To replace a storm door hinge effectively and efficiently, follow these steps: Remove the old hinge by unscrewing it from the door frame and the door itself. Align the new hinge with the existing holes on the door frame and door. Secure the new hinge in place by screwing it into the door frame and door. Test the door to ensure it opens and closes smoothly. Make any necessary adjustments to the hinge for proper alignment. Finish by tightening all screws securely.
jack the door up on the end of it and unbolt the hinge and replace with the new one.
you might need to replace the hinge pins.. or the complete hinge
You have to replace the whole hinge assembly, they don't make a hinge pin kit for the Thunderbird.
To replace a cabinet hinge, you must first remove the screws that attach to the door with either a screwdriver or a drill with screw bit. Next you want to remove the cabinet door. Once you have removed the door, remove the hinge from the cabinet. You can then attach a new hinge. A nice tip is to have a partner hold the door while you screw the hinge back in place.