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door problem on 1990 GMC 1500 Pickup

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
can't adjust the driver's door, adjuting bolt will not go down far enough to keep the door from riding on the bolt, hinges are all tight with not give to them
(1) Answer
It sounds like the drivers door on your 1990 GMC 1500 Pickup is sagging. Check the door alignment just as the door is against the striker (bolt). The door should be perfectly aligned at that point. If it is low then most likely the hinges or hinge pins are worn.