How to Repair a Bifold Door Top Pivot The top pivot may become loose and scrape the floor. This can be fixed by loosening the set screw of the top bracket slightly. The top pivot pin is made of a metal screw which fits into a cap made of plastic https://replace-bifold-doors23767.actoblog.com/31306665/think-you-re-perfect-for-doing-bi-fold-door-repairs-do-this-test