Locate the adjustment screws on the lower edges of the door.
How to adjust sliding door wheels.
On my door the holes had plastic plugs in them.
In these cases the problem is usually that the rollers at the bottom of the door have started to rub against the track.
Turning the screw counterclockwise raises the wheels on the sliding screen door.
Lift up the door then push the top pair of wheels into the upper track.
Each sliding screen door typically works on 2 wheels with each having their own adjustable screw.
Every standard sliding glass door has adjustable rollers that help it slide back and forth within the track.
Reinstall the door to test the replacement wheels.
Slide the door back and forth a few times to make sure all the wheels are rolling.
Most sliding glass doors contain two sets of rollers one on each side of the bottom of the door.
Use the tension screws as needed to fine tune the adjustment.
On the bottom portion of your sliding glass door you should see a small hole on each side of the door.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
Afterward position the door on the lower track.
How to adjust sliding glass doors.
There are holes on your sliding glass door that conceal the adjusting screws to these rollers.
These holes hide the adjustment screw for the coordinating rollers.
Inside a standard sliding glass door there are adjustable rollers that help it slide back and forth on the track.
How to adjust sliding glass door rollers for a smoother ride.
The rollers at the top can also wear down lowering the bottom of the door so that it rubs on the track.