Use an aerosol lubricant to lubricate all the door rollers.
Fix sliding wooden door off track.
If a malfunctioning sliding door is a chronic problem see if the track is dirty.
Sink the broken ones with a hammer.
To replace torn or cracked weatherstripping where the sliding and fixed panels overlap loosen its staples with a flathead screwdriver then grab one end and pull it and the staples off the door prying gently with a putty knife.
Afterwards place another block of wood onto the track perpendicular to the first block and use a hammer to hit the top of the second piece of wood.
Angle the bottom of the door toward you while you let it down and the wheels should hook right onto the track.
Moving the door when the back side is sliding on the ground is a little difficult.
Insert the door s wheels into the double track inside the upper door jamb lifting it as far as it will go.
This is a video to show you all how to repair a sliding cavity pocket door which may be stuck no rolling properly or not locking correctly.
Bring the door to within a few inches of the strike side jamb.
Work the door slowly into the opening in this manner.
Learn how to get your sliding door back in the tr.
Hope this video.
If one side looks lower raise it until the door looks even on the track photo 1.
You can then fix the problem of your closet doors jumping off their track.
Use a wire brush to clean off the dirt or debris.
Reinstalling sliding bypass doors the doors are usually interchangeable but you will want to start with the rear track.
Try holding your foot against the bottom of the door and pull gently on the top of the door to lift the back side.
If the rollers are damaged install replacement rollers available at home centers.
To clean and lubricate the hardware of a sliding closet door use a stiff brush a toothbrush or a hand vacuum to clean dust from the tracks.
Use the blade of an old screwdriver to pry stubborn dirt loose.
Straighten the track with a block of wood if it s bent.
Using a screwdriver you can just adjust the mounting screw.
Remove any remaining staples with pliers.
Built up dirt or loose debris can cause a door to stop sliding and ride off the track.
Depending on your door type locate the brace that holds the wheel roller on the side that is sagging.
Don t worry it ll be the only screw you see there.
If you notice the track is uneven with the floor place a block of wood into the left or right side of the track parallel to the its direction.