How do you adjust a sagging door on a 2004 silverado the back needs to come up?
There is a good possiblity that the hinge pins and bushings are
shot causing the door to drop. This is common. You can purchase a
pin and bushing kit from your local auto parts store. The only
trick is removing and replacing the spring that holds the door
open. You can rent or buy the tool for that job also.