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How to Repair Bifold Door Bottom Pivots The misalignment of your doors could be the reason for your bifold doors sliding and scraping on the floor. A few simple adjustments will get them back on track. The bottom pivot is attached to the floor or the base of a bracket to provide a sturdy, secure mounting. This kit is threaded to allow for adjustment and works with various bi-fold door styles. Anchor or pivot pins that have cracked or broken Anchor pins and pivots can break