How to Repair a Bifold Door Top Pivot The top pivot can become loose and scrape along the floor. This can be fixed by loosening the set screw of the top bracket a bit. The top pivot pin is a metal screw which fits into a cap made of plastic https://bifold-door-repairs-near70985.blogthisbiz.com/36803871/15-secretly-funny-people-work-in-bi-fold-door-repairs