How to Repair a Bifold Door Top Pivot The top pivot of bifold doors can become loose and scratch the floor. This can be fixed by loosening the set screw on the top bracket a bit. The pivot pin on the top is a metal screw that is inserted into https://bifold-door-seal-replacem99966.blogofoto.com/61686530/bi-fold-door-repairs-explained-in-less-than-140-characters