How to Repair a Bifold Door Top Pivot A bifold closet door's top pivot may become loose and scrape the floor. This can be fixed by loosening up the set screw on the top bracket. The pivot pin on the top is a metal screw that fits into a cap https://bifold-door-glass-replace16898.mybuzzblog.com/10303336/bi-fold-door-repairs-it-s-not-as-expensive-as-you-think