How to Repair a Bifold Door Top Pivot The top pivot of the bifold closet door could be loosened 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 an iron screw that fits https://bifolddoorrepairs66998.is-blog.com/36855033/bi-fold-door-repairs-explained-in-fewer-than-140-characters