How to Repair a Bifold Door Top Pivot
The top pivot of the bifold closet door could be loosened and scrape the floor. It is possible to fix this by loosening the set screw of the top bracket a bit.
The pivot pin on the top is a metal screw that is inserted into a plastic cap with an lipped end that is within the track, above the door. You'll also need an screwdriver and perhaps two pliers.
Remove the Bottom Pin
Bifold doors are a great way to save space in your closet, however as time passes, they could begin to fall off the floor, or break off from brackets. The good thing is that you can fix the problems by making a few simple adjustments.
The most common problem is the bottom pin that becomes loose or slips out of its bracket. You can fix this by pressing the spring-loaded wheel on the top of the door and swinging the door into position to align it with the bottom track. Once the gap is equal, tighten the screw that holds the top pivot point bracket to keep the door in position.
A common problem is when the bottom edge of the door scrapes against the carpet. This can be caused by installing new carpet or changing the flooring material, and it can also be a result of an uneven gap between the door and hinge-side jamb. It is possible to fix this by loosening the top guide, sliding it inwards or removing the top pivot point.
bifold door repairs is when the upper track isn't aligned. This can be corrected by loosening and moving the screw on top of the set screw in or out, if required. After you've adjusted the nuts and bolts that keep the track in place you can then slide it back into the bracket and secure it by using the screw.
To remove the bottom pin from the bracket, lift the panels slightly, then secure them together. Release the locking levers on the lower bracket to let the pin go. If the pin doesn't have a mounting bracket, insert a flat-head screwdriver in between the bottom of the flange of the pivot and the door to pull it off of the door. Once you have an ensconced grip on the pin, turn it left to right and then pull it out of the door. If you're unable to remove the pin, you might have to take the entire panel from the track system. If this is the case, put it on a set of saw horses to make it easier to handle.
Remove the Top Pin
Bifold doors are great for saving space, but they can be frustrating when they begin to slide and scrape against the floor or jump off their track. There are a few simple adjustments that will often bring them back to their the right track.
If the doors slide in a different way you can loosen the screw that is on the pivot point of the top bracket and then move it around. Close the door and check whether it is aligned with the frame. If it does, tighten the screw.
Another common problem with internal bifold doors is that the bottoms of the door scrape against the carpet. If this is the issue you can raise the bottom of the doors with the bottom pin adjustement. If the door is too tall, you will have remove it and cut it with a saw.
The wood around pivot pins and anchors may crack over time. It is possible to use epoxy to fix the crack and prevent it from getting any worse. Apply a small amount of epoxy to the crack, and let it dry before opening the door.

It could be that your bifold doors are separated. You can fix it by moving the door's top either up or down the track.
It can be difficult to complete this task on your own So you'll need an assistant. Take the interior and exterior doors on the sides. Then, lift them up. Stack them together to make handling easier.
Release any locking levers that are on the pivot bracket. Hold the pin's top with pliers and turn it from left to right as you pull it out. Repeat the process on the opposite side of the door. After both pins are removed the door should open and align with the track. If it doesn't, try reinstalling the doors and try again. If the track is bent, you can use a drill to straighten it out.
Reinstall the bottom pin
If the bottom pin does not function properly, it may cause the door to be bowed and prevent it from closing and opening without difficulty. Fortunately, the problem is often easy to solve. Most of the time, a loose or missing mounting screw is at fault. If this is the situation, you'll need to replace the screw by an alternative with the same length. Then, screw it in place and tighten it.
If you're committed to your bifold repair project, use an air pressure gauge to examine the top pin that is spring loaded for proper compression. The gauge is also helpful in determining whether the pin itself is cracked or broken, which is important information to have if you plan to replace it with a replacement part.
An effective method to determine if the pivot pin is damaged or worn out is by measuring its diameter and the diameter of the pin cap. Compare the measurements with the available online replacements. This will help you to find the right parts for your door.
Before you install the replacement pivot pin, open the doors and then lean them against one other to ensure they're in the proper position for installation. If you're using set closet door knobs to mount the pivot pin, mark a line that is level along the center of each door's leading edge. You can use a long-length level for this to ensure that the top of the bifold track is aligned with the jambs and is level.
After the doors have been put in, insert the top pin in the pivot guide on the track. Swing the bottom of door into place until the pin rests in the L-shaped bracket. If the door doesn't fit well between the top guide and the bottom bracket, raise or lower the door as needed by removing or screwing the pivot that is adjustable on the bottom of the door. Check that the gap between the door and the hinge-side jamb is equal by using a long-length level and marking a plumb line down the middle of the door frame.
Reinstall the Top Pin
A bifold door is a set of hinged panels that fold back on tracks to the opposite side of the door opening. They come in various styles, including louvered, paneled or solid. They can be used in closets, hallways, bedrooms, or laundry rooms. If you have an existing pair of bifold doors which scrape the floor or don't function properly, it's possible to adjust them by altering the pivots on the top and bottom.
Take the top pin first from the upper track. Then, slide the bottom one into its bracket, checking to see if the gap between the door and the jamb-side of the frame is equal and is in line with the.
If the gap between the bottom and the frame is too big, you can raise it by lifting the pivot at the bottom of your door. This will push the bottom of the door toward the frame and narrow the gap. You can adjust the track hanger's height by loosening the screw on the bottom of the track, and then adjusting the angle using a wrench.
Once you've got the track hanger and the bottom pin reinstalled, it's time to mount the top track bracket on the hinge-side of the door frame. For precise positioning, follow the instructions and diagrams included in your kit. Be sure that the track is level and flush with the floor prior to fastening it.
When installing a track, measure the length and width of the door opening to make certain that you have the right size of track and hardware kit. Consult a professional installer if you are unsure how to install bifold doors. They will be able to determine if your bifold doors are the right size for the opening and help you select the ideal style of door to suit your home. If required, they will trim the doors so that they are sized to fit. This can save you time and money.