On the bottom portion of your sliding glass door you should see a small hole on each side of the door.
How to adjust sliding glass door rollers.
If an off track roller isn t the problem you ll have to remove the doors to adjust and possibly replace the rollers.
How to adjust sliding glass doors.
How to adjust sliding glass door rollers for a smoother ride.
Many doors have a small plastic guide at the middle of the lower rail.
The sliding panel should glide across the tracks when you open the door without jamming.
Inside a standard sliding glass door there are adjustable rollers that help it slide back and forth on the track.
Over time the framing of your home settles.
This video is going to show you how to adjust your door s rollers to ensure smooth operation and maintain weather tightness.
These holes hide the adjustment screw for the coordinating rollers.
Most sliding glass doors contain two sets of rollers one on each side of the bottom of the door.
Locate the adjustment screws on the lower edges of the door.
You can alter the height of these rollers by accessing the adjustment screws which are set into slots on the door s outer edges perpendicular with the rollers themselves.
As the framing inside the door opening settles the tracks raise or lower with the floor.
Download instructions for more information.
Others have a guide rail screwed to the door photo 1.
On my door the holes had plastic plugs in them.
There are holes on your sliding glass door that conceal the adjusting screws to these rollers.