Restoring Smooth Operation: A Comprehensive Guide to Repairing Your Bifold Door Top Pivotbifold door track lubrication doors, likewise understood as folding doors, are a popular option for taking full advantage of space and creating a smooth shift between rooms or between indoor and outside living locations. Their unique folding system enables wider openings than standard hinged doors, making them ideal for closets, kitchens, utility room, and even as patio doors. However, the smooth and effective operation of a professional bifold door Repairs bifold door misalignment hinges on a number of essential elements, and one of the most important, yet often overlooked, is the top pivot.The top pivot is a small however essential system that sits at the top corner of a bifold door stuck door panel, permitting it to turn efficiently within the track system. Over time, due to use and tear, inappropriate alignment, or perhaps unintentional damage, this pivot can fail.