If you see an uneven gap it will require you to raise or lower one of the sides.
How to fix sliding closet doors bottom.
Grab the sliding door that is behind it.
Grab the door from both sides and lift it off the track.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
Whether your door is unhinged from the top or bottom angle it at 15 to 30 degrees away from the unhinged track and slowly pull it outwards from the closet.
To start loosen the top pivot bracket setscrew with a screwdriver.
Turning this screw raises or lowers the roller.
Then hold the spring loaded top pivot down while you swing the top of the door toward the frame and under the door track.
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.
Another sliding door behind may be creating a space constraint.
To start your sliding glass door adjustment project first lift or lower the door on the track with a screwdriver or allen wrench.
Adjust the top pivot bracket.
Place a blanket or rug onto the floor and lay the door onto it for a safe spot.
Here we re working with wooden bifold doors.
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.
Lift it up so that the rollers at the bottom disconnect with the track.
If the door becomes even harder to open turn the screw in the opposite direction.
First check the alignment of your closet doors.
Raise it just enough to clear the track and roll smoothly.
Slide the bracket in the track until the door is parallel to the jamb.
Adjust the bottom bracket.
Sliding closet doors fall off tracks.
Inspect the rollers and tighten them with a.
Tighten the setscrew firmly.
Stand back five feet or so and examine the gaps on the top and bottom.
Keep the top rollers connected.
Give the screw a clockwise turn and test to see whether the door slides easier.