Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
How to fix sliding closet doors bottom.
To start your sliding glass door adjustment project first lift or lower the door on the track with a screwdriver or allen wrench.
Locate the two adjusting screws at the bottom of the door on the face or edge of the door and pry off the trim caps that cover the screws.
Once the door is approximately under the hole in the track release the pivot.
Tighten the setscrew firmly.
Place a blanket or rug onto the floor and lay the door onto it for a safe spot.
Keep the top rollers connected.
Turning this screw raises or lowers the roller.
Adjust the bottom bracket.
There should be an even and uniform separation all the way along the top and bottom.
Repairing bifold doors begin by inserting the bottom pivot into the bracket which can be screwed to the floor to the door jamb or both.
Inspect the rollers and tighten them with a.
Adjust the top pivot bracket.
Take one of the doors down by lifting it and angling the bottom toward you until the rollers clear the top track then pulling it toward you.
Then hold the spring loaded top pivot down while you swing the top of the door toward the frame and under the door track.
First check the alignment of your closet doors.
Raise it just enough to clear the track and roll smoothly.
If you see an uneven gap it will require you to raise or lower one of the sides.
Here we re working with wooden bifold doors.
Another sliding door behind may be creating a space constraint.
To start loosen the top pivot bracket setscrew with a screwdriver.
Slide the bracket in the track until the door is parallel to the jamb.
Grab the door from both sides and lift it off the track.
Lift it up so that the rollers at the bottom disconnect with the track.
Stand back five feet or so and examine the gaps on the top and bottom.
Grab the sliding door that is behind it.
If the door becomes even harder to open turn the screw in the opposite direction.