How to Repair a Bifold Door Top Pivot The top pivot of the bifold closet door could become loose and scratch the floor. This can be fixed by loosening the set screw on the top bracket. The top pivot pin is a metal screw which fits into a cap made https://bifolddoorrollerreplaceme62597.blazingblog.com/30572273/some-of-the-most-common-mistakes-people-make-when-using-bi-fold-door-repairs