How to Repair a Bifold Door Top Pivot The top pivot of bifold doors can become loose and scrape the floor. This can be fixed 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 https://bi-fold-door-repair89434.blogminds.com/bi-fold-door-repairs-isn-t-as-tough-as-you-think-28110312