How to Repair a Bifold Door Top Pivot The top pivot of bifold doors can be loosened and scrape the floor. This can be corrected by loosening the screw that holds the top bracket. The pivot pin on the top is a screw made from metal that is inserted into https://bifolddoorrepair43407.theideasblog.com/31150143/the-history-of-bi-fold-door-repairs