How to Repair a Bifold Door Top Pivot The top pivot may be loosened and scrape the floor. This can be fixed by loosening the screw that holds the top bracket. The top pivot pin is a screw made of metal that is inserted into a plastic cap with an https://bifold-door-roller-replac47182.digitollblog.com/30498085/it-s-the-next-big-thing-in-bi-fold-door-repairs