How to Repair a Bifold Door Top Pivot The top pivot can become loose and scrape the floor. This can be fixed by loosening up the screw that holds the top bracket. The top pivot pin is made of a metal screw which fits into a cap made of plastic https://bifold-door-replacement12882.timeblog.net/66538570/10-erroneous-answers-to-common-bi-fold-door-repairs-questions-do-you-know-the-correct-answers