How to Repair a Bifold Door Top Pivot A bifold closet door's top pivot may be loosened and scrape the floor. This can be corrected by loosening the screw that holds the top bracket. The top pivot pin is a screw made of metal that fits into a plastic cap https://bifoldingdoorrepair71239.ampedpages.com/20-up-and-comers-to-watch-in-the-bi-fold-door-repairs-industry-57735838