How to Repair a Bifold Door Top Pivot The top pivot could be loosened and scrape the floor. This can be fixed by loosening the set screw on the top bracket. The top pivot pin is an iron screw that fits into a cap made of plastic that has a https://bifold-door-seal-repair53532.blogunteer.com/29764800/10-wrong-answers-to-common-bi-fold-door-repairs-questions-do-you-know-the-right-answers