On my door the holes had plastic plugs in them.
How to adjust auto sliding door closure.
To make the door close quicker turn the s screw counter clockwise and then to make the door close more slowly you can turn it clockwise.
Remove the belt clips and the belt.
How to fix a glass sliding patio door that dosnt roll close or lock properly.
There are holes on your sliding glass door that conceal the adjusting screws to these rollers.
The wheels on the glass sliding patio door have an adjustment screw at the bot.
This video shows you how to adjust the tension on your automatic door closer.
There typically are two screws on the automatic door that allow for the change in speed.
The belt connects to the door panels by 2 belt clips if you have a 4 panel door bi part or 1 belt clip if you have a 2 panel door single slide.
Cut the new belt to the exact length and install new belt.
Most door closer brackets have slotted holes so you are able to slide them left to right to make adjustments without.
If none of these adjustments works then your door closer may be worn out and you will need to buy a new one to replace.
This video shows you how to adjust the tension on your automatic door closer.
Make adjustments to your pneumatic screen door closer storm door closer twice a year when you exchange the screens and glass storm panels.
If the door becomes even harder to open turn the screw in the opposite direction.
Give the screw a clockwise turn and test to see whether the door slides easier.
Inside a standard sliding glass door there are adjustable rollers that help it slide back and forth on the track.
Important especially on a 4 panel door bi part to install the belt clips in the correct position.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
I used a steak knife to pry the plugs loose.