How to Repair a Bifold Door Top Pivot The top pivot of a bifold closet door can become loose and scratch the floor. This can be corrected by loosening up the screw that holds the top bracket. The top pivot pin is a metal screw which fits into a cap https://bi-folding-door-repair-ne84939.ja-blog.com/30751449/bi-fold-door-repairs-explained-in-less-than-140-characters