How to Repair a Bifold Door Top Pivot The top pivot of the bifold closet door could become loose and scrape the floor. This can be fixed by loosening the set screw on the top bracket slightly. The top pivot pin is a metal screw that is inserted into a https://bifold-door-seal-repair53532.blogunteer.com/29953806/bi-fold-door-repairs-what-no-one-is-talking-about