Remove the door from the track.
How to fix a sliding glass door that is hard to open.
These hole are often covered with a plastic plug.
Most sliding patio doors have one or two small holes at the top and bottom of the door for adjusting the roller height.
Raise it just enough to clear the track and roll smoothly.
First locate the roller adjustment screws and use a screwdriver to turn the screws counterclockwise.
This will retract the rollers and make the door flush with the track.
Locate the two adjusting screws at the bottom of the door on the face or edge of the door and pry off the trim caps that cover the screws.
Then remove the door stop at the top of the frame which should be as simple as unscrewing it.
The most common homeowner fix is to simply lubricate the roller or track the best you can.
To start your sliding glass door adjustment project first lift or lower the door on the track with a screwdriver or allen wrench.
Clean the sliding glass door track.
Sliding glass door track cleaning.
This may or may not provide a temporary solution.
Standard sliding glass doors all have tracks.
Rollers that are underneath the sliding door inside the frame tend to wear out making the slider hard to open.
Turning this screw raises or lowers the roller.
If the door becomes even harder to open turn the screw in the opposite direction.
Remove the plug and use a screwdriver to tighten and loosen the roller height making very small adjustments and testing each time.
Over time the sliding glass door track accumulates dirt and grime.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
Be sure to brush down both sides of the track as well as help scrub out the dirt that exists in the middle move the door along the track to expose the front scrub move the door back to the closed position scrub and so on.
Door is difficult to open and slide.
In this video i show how to fix a sliding glass door that is very difficult to slide.
The track acts as a guide for the door and also allows roller wheels to help the door run smoothly.