How to Repair a Bifold Door Top Pivot The top pivot of the bifold closet door could become loose and scrape the floor. It is possible to fix this by loosening the set screw of the top bracket. The top pivot pin is a screw made from metal that fits https://bi-folding-door-repair-ne84939.ja-blog.com/30551353/a-provocative-rant-about-bi-fold-door-repairs