How to Repair a Bifold Door Top Pivot The top pivot of a bifold closet door can become loose and scrape the floor. It is possible to fix this by loosening the set screw on the top bracket a bit. The top pivot pin is a screw made from metal https://repairingbifolddoors76709.uzblog.net/it-s-the-next-big-thing-in-bi-fold-door-repairs-44772272