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 fixed by loosening the set screw on the top bracket slightly. The top pivot pin is made of a metal screw which fits into https://bi-folding-door-repair86580.livebloggs.com/36747638/5-myths-about-bi-fold-door-repairs-that-you-should-stay-clear-of