If your doors hang from a top rail and do not have a track on the floor then you need to either replace or tighten down the floor guides.
How to fix a sliding metal closet door track.
Loosen the set screw on the top bracket and slide the bracket slightly along the track to adjust the space between the top of the doors.
Lift your sliding closet door upwards into the top track.
The first thing to check is what type of rail system your sliding closet door uses in order for it to slide.
Step 1 remove sliding door.
If grime remains try wiping it up with a mild cleaner and a cloth.
A closet door track that s bent inward prevents the door from sliding beyond the bend.
Sliding closet doors operate on rollers that are positioned in tracks at the top jamb and floor allowing the doors to bypass each other in the tracks.
A dirty obstructed or damaged track can make a sliding closet door jump off its track.
See if the screws holding the guides down need tightening to be more secure.
Then hold the spring loaded top pivot down while you swing the top of the door toward the frame and under the door track.
To fix this issue first try vacuuming up debris and grime from the track with a crevice attachment.
Remove a door by lifting and tilting the bottom out.
Then retighten the screw close the doors and check the fit.
If a roller is stuck unscrew and remove it.
Fix it by gently grabbing the bent area with a pair of pliers or vise grips bending it back into place.
Once the door is approximately under the hole in the track release the pivot.
Use an aerosol lubricant to lubricate all the door rollers.
If you have a sliding closet door that glides on a bottom track clean the track with a damp cloth to ensure smooth gliding.
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.
Hold down the spring loaded guide on the opposite side of the other door panel and swing the door until the guide is under the track.
Wiggle the door until the pivot snaps into the hole.
Because sliding doors don t fold out the way bifold doors do they allow access to only half the width of the opening at a time.
Inspect the rollers and tighten them with a.
When there is a problem with the track of your sliding door you can simply fix it by following a number of simple instructions.
Lubricate the rollers but not the track because lubricant will act as a magnet for dust.
Once secure release the door.
Then wipe it with a damp rag.