remove the pins from the hinges there is probrably a clip on the bottom of the pin
You have to drive the pins out after removing the retainer clips. The hinges are welded to the door and to the body.
Remove the inner kick panel. Disconnect the wiring harness. Drive the pins out of the hinges - remove door.
Open your doors, you may need to remove your fenders .Then find the nuts for the hinges, remove the nuts while supporting the door. Be careful of your door. Remove the hinges from the frame, replace, follow through in reverse.
You will have to replace the door hinges are pins.
Only the hinge pins can be replaced without major bodywork as the hinges are welded to the doors and the frame.
Unscrew the hinges..?
Server room doors should be designed to open towards the inside of the room so that the door hinges aren't exposed while the door is in the closed position. If the hinges were accessible from the outside an intruder could merely remove the pins to release the hinge plates and thus remove the "locked" door
disconnect wiring harness, mark hinges, remove bolts securing hinges to body.
Open the door, pull the pin from the stopper between the two hinges and undo the four bolts on the hinges, thats it
the door hinges are welded so you have to use a small hammer and small punch to tap out the pins that look like big nails.
There is a good chance the door hinges are worn and the door dropped down a bit. Your local auto parts store can supply you with a rebuild kit for your hinges. It comes with new pins and bushings. The kit is inexpensive. You will need to remove the door to install the bushings.