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How to Repair Bifold Door Top Roller Guide If your bifold doors are sticking and squeaking, they may need a little maintenance. They might need to be cleaned or lubricated, or even adjusted. The problem may be caused by a loose screw on the top pivot or the top roller guide. This kit includes all the hardware required to bring your bi-fold closet door to optimal performance. Take the door off It might seem difficult and challenging to put in the bifold internal doors however for DIYers with a little expe