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How to Repair Bifold Door Top Roller Guide If your bifold doors are squeaking and squeaking, they may require a little attention. You may need to clean or lubricate them, or even adjust them. The problem may be caused by a loose screw on the top pivot or by the top roller guide. This kit includes everything you need to restore your bi-fold wardrobe door system to its optimal performance. Remove the Door It may appear complicated and difficult to install an internal set of b