How to Repair a Bifold Door Top Pivot The top pivot of a bifold closet door can become loose and scrape the floor. This can be fixed by loosening the set screw of the top bracket a bit. The pivot pin on the top is a screw made from metal https://bifolddoorrepair47976.blogs-service.com/61670249/bi-fold-door-repairs-isn-t-as-difficult-as-you-think