There are holes on your sliding glass door that conceal the adjusting screws to these rollers.
Sliding door wheel adjustment.
The rollers at the top can also wear down lowering the bottom of the door so that it rubs on the track.
Video instruction for adjusting the rollers on a sliding patio door.
How to fix a glass sliding patio door that dosnt roll close or lock properly.
If it s too low use a flat pry bar to raise the door while you turn the adjusting screw clockwise.
The wheels on the glass sliding patio door have an adjustment screw at the bot.
As the framing inside the door opening settles the tracks raise or lower with the floor.
How to adjust sliding glass door rollers for a smoother ride.
In these cases the problem is usually that the rollers at the bottom of the door have started to rub against the track.
Reinstall the door to test the replacement wheels.
Position the door so the frame is about 1 4 in.
Adjust the new wheel.
Video instruction for adjusting the rollers on a sliding patio door.
Continue adjusting the rollers until the door glides smoothly.
By the time you re finished the door should be sitting perfectly level on the track and there should be an equal amount of space between the door and the track on both the top and bottom.
It may take a few attempts before you get the door rolling without resistance.
Regular vacuuming of the track will help keep the door sliding smoothly.
Then turn the screws until the frame is parallel with the jamb edge.
The sliding panel should glide across the tracks when you open the door without jamming.
Afterward position the door on the lower track.
On my door the holes had plastic plugs in them.
Inside a standard sliding glass door there are adjustable rollers that help it slide back and forth on the track.
Slide the door back and forth a few times to make sure all the wheels are rolling.
Use the tension screws as needed to fine tune the adjustment.
Adjust the door by turning the adjustment screws.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
Over time the framing of your home settles.
Adjusting the rollers on your pella sliding doors raises or lowers the door panel as necessary to get the door working.
If you re not sure whether the door is straight pull it.
Lift up the door then push the top pair of wheels into the upper track.