How to Repair a Bifold Door Top Pivot The top pivot may become loose and scrape the floor. It is possible to fix this by loosening the set screw of the top bracket a bit. The pivot pin on the top is a metal screw that fits into a cap https://bifolddoorrepairsnearme61058.blogmazing.com/29915649/the-top-reasons-why-people-succeed-in-the-bi-fold-door-repairs-industry