Try using a screwdriver to adjust the height of the rollers until the door glides easily through a full range of motion.
New sliding door wont adjust anymore.
This slows down your door considerably.
These hole are often covered with a plastic plug.
If you think dirty rollers might be the culprit remove the door from the tracks and clean them with rubbing alcohol.
Remove the plug and use a screwdriver to tighten and loosen the roller height making very small adjustments and testing each time.
Turning this screw raises or lowers the roller.
Clean the sliding glass door track.
Most sliding patio doors have one or two small holes at the top and bottom of the door for adjusting the roller height.
To adjust a door that swings open or closed on its own it is probably because the door lining frame is out of plumb.
This simple diy trick may solve your issues.
Give the screw a clockwise turn and test to see whether the door slides easier.
The easiest way to sort this if you have loose pin hinges is to remove a pin knock it out with a nail punch and bend it slightly by hitting it with a hammer to increase the friction then put it back in.
The track acts as a guide for the door and also allows roller wheels to help the door run smoothly.
Watch my video to see the steps i took to fix an internal sliding do.
Then turn the screws until the frame is parallel with the jamb edge.
Align it in the bottom track and then tilt it up.
Adjust the new wheel.
The bottom of the frame should be about 1 8 in.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
Position the door so the frame is about 1 4 in.
Over time the sliding glass door track accumulates dirt and grime.
Does it need to be repaired.
From the jamb edge.
Adjust the door by turning the adjustment screws.
If the door becomes even harder to open turn the screw in the opposite direction.
Standard sliding glass doors all have tracks.