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 top pivot pin is made of an iron screw that fits https://bifolddoorrepair47976.blogs-service.com/61476218/10-things-we-all-hate-about-bi-fold-door-repairs