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 for the top bracket slightly. The top pivot pin is a screw made from metal that is fitted https://bifolddoorsrepair58425.eedblog.com/30776397/a-time-travelling-journey-the-conversations-people-had-about-bi-fold-door-repairs-20-years-ago