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 the set screw of the top bracket a bit. The top pivot pin is a metal screw that fits into a plastic cap https://bifold-door-replacement58458.affiliatblogger.com/82837979/some-of-the-most-common-mistakes-people-make-when-using-bi-fold-door-repairs