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 stuck sliding closet door.
Now precisely where on this part of the door frame does the sticking occur.
The home mender dustin luby shows us how to fix that ancient pesky problem my slider doors wont slide.
The first thing to check is what type of rail system your sliding closet door uses in order for it to slide.
If the sticking area is along the door frame where the hinges are located.
To fix this issue first try vacuuming up debris and grime from the track with a crevice attachment.
Determine where the sticking is happening.
These rollers can become damaged dirty or broken as the years go by and cause your door to stick.
Most of the time the problem stems from dirty and dried up rollers.
See if the screws holding the guides down need tightening to be more secure.
Then wipe it with a damp rag.
Sliding doors move along the tracks using a set of rollers.
On the top middle or bottom.
Step 1 clean the track a dirty obstructed or damaged track can make a sliding closet door jump off its track.