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 slightly. The top pivot pin is a metal screw which fits into https://bi-folding-door-repair-ne94217.dbblog.net/3987436/15-twitter-accounts-that-are-the-best-to-learn-about-bi-fold-door-repairs