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 up the set screw on the top bracket. The top pivot pin is a metal screw that is fitted into a https://replace-bifold-doors53569.canariblogs.com/17-signs-you-re-working-with-bi-fold-door-repairs-45702296