https://writeablog.net/nosefir2/why-youre-failing-at-bi-folding-door-repair How to Repair Bifold Door Top Roller Guide If your bifold doors are sticking then it's likely that they need some attention. They may need to be cleaned and lubricated or adjusted. The problem could be caused by a loose bolt at the top pivot or by the top guide roller. This kit comes with all the hardware required to restore your bi-fold closet door to its best performance. Take the door off It may seem complicated and difficult to set up an internal set of bifold doors but for those who are DIYers with some experience, it's actually a breeze. Getting the frame into position isn't a problem The trick is getting the doors to fold and close quickly and accurately. Bifold doors are intricate pieces of machinery, and as such, they might need some tuning up to function correctly. This might be something as simple as tightening screws or as complicated as removing the door and replacing a pivot pin or roller. You can usually fix these problems with a few simple adjustments, without having to remove the doors. You may find that your doors are sagging or scratching the floor, or that they are jumping out of their track. In order to fix these issues, it isn't a big deal, and with three simple steps the bifold doors will be back in the blink of an eye. The most common problem that bifolding doors with internal hinges face is the sliding out of alignment. This could be due to loose screws, holes on the anchor/pivots, or a misaligned bifold door. The majority of the time, this can be corrected with a few simple adjustments. If, however, your door isn't moving in any way, you might have to replace it. To take the door off, you'll need an appropriate screwdriver, and possibly a pair of pliers (to aid in loosening any pins on the pivot that are stuck). The screwdriver is used to release the locking levers on the bottom of the pivot bracket. The pliers are used to remove the pin. Once has been removed, you