There are holes on your sliding glass door that conceal the adjusting screws to these rollers.
Make a sliding door slide easier.
When a sliding door track gets gummed up and dirty it can make using the door a hassle and a pain.
Inside a standard sliding glass door there are adjustable rollers that help it slide back and forth on the track.
Give the screw a clockwise turn and test to see whether the door slides easier.
Clean up the track.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
Turning this screw raises or lowers the roller.
If your screen door is making unusual sounds or is difficult to move you may benefit from the following tips and techniques.
Move the door back and forth like you did in step 1 to help the door glide over the oiled areas.
To fix this remove your door from the tracks clean out the rollers and spray them with a lubricant such as wd 40.
Learn the best way to clean and lubricate a milgard sliding patio door.
Sliding doors move along the tracks using a set of rollers.
On my door the holes had plastic plugs in them.
Most of the time the problem stems from dirty and dried up rollers.
A silicone based product will help the door glide without attracting dirt and grime like standard oil lubricants will.
So then how should you lubricate a sliding glass door.
In order to prevent this from happening and becoming a problem it is important to not only get the track clean but also to lubricate the track so that it will slide easily.
Many folks will recommend you use wd 40.
These rollers can become damaged dirty or broken as the years go by and cause your door to stick.
You should only use a silicone based lubricant.
One of the most common issues with sliding doors is a dirty track where dust pet hair and other debris can accumulate over time.
Using something like the above to make your patio door slide easier might actually be counter productive.
Once the patio door track is nice and clean lubricate the track with a silicone based lubricant spraying and rolling the door back and forth to work in the lubricant.
If the door becomes even harder to open turn the screw in the opposite direction.
I used a steak knife to pry the plugs loose.