How to Repair a Bifold Door Top Pivot The top pivot may be loosened and scrape the floor. This can be corrected by loosening up the set screw on the top bracket. The top pivot pin is a metal screw that fits into a cap made of plastic with an https://bi-folddoorrepair09788.blogsvila.com/30825495/15-top-pinterest-boards-of-all-time-about-bi-fold-door-repairs