The hinge is the mechanism that allows a door to move, or swing freely (open and close). Without a hinge, a door would simply be a piece of material used to block an opening that would require someone to pick it up and move it to pass through the opening. So - no hinge, no 'door'.
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.
on the bottom of the hinge pins there is a nut, you remove that and then lift the doors straight up!!
Only the hinge pins can be replaced without major bodywork as the hinges are welded to the doors and the frame.
to remove the doors you un-bolt the door then you lift the door up and off of the hinge.
Broken wire in hinge area of door
Scissor Doors (some call them Lambo doors) Unless you mean they literally swing up, like the hinge is up top on the roof, then it's a gullwing door.
first remove the hinge pin from the top of the door header
Remove the nuts from the bottom of the door hinge pin, then lift the door up.
This is usually caused from the door sagging or the hinge pin wearing slightly. Adding a long screw through the top hinge I to the wood framing can help.
take off the nuts under the door posts that go into the hinge. Very easy, be sure to roll the windows down. That makes the doors easier to carry.
Scissor doors are one of several nicknames for doors that rotate vertically at a fixed hinge near the end of the windshield. Other nicknames are beetle-wing doors, jackknife doors, switchblade doors, and Lamborghini doors. This design combines some of the advantages of a conventional door and the traditional http://www.answers.com/topic/gull-wing-door. The door can open upward rather than outward, which is important in wide cars. The hinge is in a similar location as a conventional door, so a http://www.answers.com/topic/convertible version of the car is not prevented by the door design. Butterfly doors, also called vertical doors or dihedral doors, are a type of door often seen on high-performance automobiles. They are similar to scissor doors, but while scissor doors merely tilt forward and up, butterfly doors also rotate as they move forward.
the check strap...when you open the door you will feel two clicks/ clunks look by the hinge