How to Repair a Bifold Door Top Pivot The top pivot can become loose and scrape along 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 cap made of plastic that has https://bi-folddoorrepair60951.blog-ezine.com/30799200/bi-fold-door-repairs-the-process-isn-t-as-hard-as-you-think