Loosen the screws holding the sliding wheels to the top of the door with a screwdriver until you can slide the attachment plates freely.
How to adjust sliding glass door height.
Every standard sliding glass door has adjustable rollers that help it slide back and forth within the track.
On the bottom portion of your sliding glass door you should see a small hole on each side of the door.
Adjust the plates so that the metal at the top of the plate is seated against the top of the glass.
Most sliding glass doors contain two sets of rollers one on each side of the bottom of the door.
How to adjust sliding glass door rollers for a smoother ride.
Spray the entire sliding glass door track with a silicone based lubricant to ensure your door glides smoothly.
Inside a standard sliding glass door there are adjustable rollers that help it slide back and forth on the track.
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.
How to adjust sliding glass doors.
They may be covered by plug covers.
All it takes is a few turns of the adjusting screw on the edge of the bottom rail of the door.
On my door the holes had plastic plugs in them.
The best time to be sure a sliding patio door is properly adjusted is before it starts sticking in its track or hopping out of it.
Be sure to wipe up any excess that gets on the floor it can make the floor very slippery adjusting the height.
First locate the screws on the bottom of your sliding glass doors.