https://blogfreely.net/lyrictr....amp14/the-best-advic
How to Repair a Bifold Door Top Pivot The top pivot of the bifold closet door could become loose and scratch the floor. It is possible to fix this by loosening the set screw on the top bracket slightly. The pivot pin on the top is a screw made from metal that fits into a plastic cap with a lipped end that stays within the track, above the door. You'll also require a screwdriver, and possibly two pliers. Remove the Bottom Pin Bifold doors are ideal to save space in closets, but they can star