https://valetinowiki.racing/wi....ki/14_Misconceptions
How to Repair a Bifold Door Top Pivot The top pivot of a bifold closet door can become loose and scratch the floor. This can be fixed by loosening the set screw of the top bracket slightly. The top pivot pin is made of an iron screw that fits into a plastic cap that has a rounded edging and remains in the track above the front door. You'll also require a screwdriver, and possibly a pair pliers. Remove the bottom pin Bifold doors are ideal for saving space in a closet, but they can start to buc