How to Repair a Bifold Door Top Pivot The top pivot can become loose and scrape along 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 is fitted into a plastic cap https://bi-folding-door-repair-ne20271.ka-blogs.com/84018513/10-things-you-learned-in-kindergarden-they-ll-help-you-understand-bi-fold-door-repairs