Other than a house settling there is a better way to adjust the door from hitting when you close it. Most of the time it's because the hinges are worn. htt://www.askmediy.com
This video shows how to make a hinge from a pipe and rod. NOTE: this is a welding project, so you must know how to weld in order to make this. This particular project show how to make a hinge for a trailer ramp. HOWEVER, this hinge can be used for most any other metal…