How to Repair a Bifold Door Top Pivot The top pivot may become loose and scrape along the floor. This can be corrected by loosening up the set screw on the top bracket. The pivot pin on the top is a screw made from metal that is fitted into a https://bifold-door-replacement50767.blogs100.com/31164177/don-t-believe-in-these-trends-concerning-bi-fold-door-repairs