How to Repair a Bifold Door Top Pivot The top pivot can become loose and scrape along the floor. It is possible to fix this by loosening the set screw for the top bracket a bit. The top pivot pin is a screw made of metal that is inserted into https://repairing-bifold-doors45306.shoutmyblog.com/30133390/10-things-we-hate-about-bi-fold-door-repairs