How to Repair a Bifold Door Top Pivot The top pivot of a bifold closet door can become loose and scrape the floor. This can be corrected by loosening the set screw on the top bracket. The top pivot pin is a metal screw which fits into a plastic cap https://bifolddoorrepairnearme60286.blogdon.net/11-ways-to-completely-sabotage-your-bi-fold-door-repairs-46668789