How to Repair a Bifold Door Top Pivot The top pivot can become loose and scrape along the floor. You can correct this by loosening the set screw on the top bracket a bit. The pivot pin on the top is a screw made from metal that is fitted into https://bifolddoorrepair50428.blogdigy.com/how-to-survive-your-boss-in-bi-fold-door-repairs-45863543