How to Repair a Bifold Door Top Pivot A bifold closet door's top pivot may become loose and scrape along the floor. You can correct this by loosening the set screw of the top bracket. The top pivot pin is a metal screw that is fitted into a plastic cap https://bi-folding-door-repair52775.alltdesign.com/15-pinterest-boards-that-are-the-best-of-all-time-about-bi-fold-door-repairs-50356271