Inspirational 48+ Repairing Bifold Closet Doors. Below, we show you what you need to know to efficiently repair these doors. Every home repair must end in fun. Watch to the end if you want to see the fun part. When a bifold door opens or closes poorly, adjusting it is usually easy. Repairing Bifold Closet Doors - New Life Products 9 1141 S Bi Fold Door Closet Door Repair Kit For 7 8 In Wide Bi Fold Door Track Amazon Com Take the bifold doors down by pulling up on the doors.