How to Repair a Bifold Door Top Pivot The top pivot may 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 screw made from metal that fits into a cap made of plastic with https://bifolddoorrepairs65535.spintheblog.com/30866770/5-bi-fold-door-repairs-myths-you-should-stay-clear-of