Never leave the glass door unattended.
Sliding door moves hard.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
Sliding doors are very heavy very breakable and very expensive this is a two person job.
Rollers are components at the bottom of sliding doors that allow them to slide easily along their.
Move the door back and forth like you did in step 1 to help the door glide over the oiled areas.
First slide open the door completely and remove the head stop.
Turning this screw raises or lowers the roller.
Inwardly bent tracks will pinch rollers and stop.
Slide the door open and shut to move the lubricant around the track making sliding easier.
This will actually help to move around the lubricant into the harder to reach middle area where the door is constantly sliding and experiencing the friction that makes it stick.
Do not use oily lubricants on the track as this can make.
Wheels in need.
Why is my sliding glass door hard to open.
Then lift the door up and out of the track laying it down carefully across two sawhorses.
Give the screw a clockwise turn and test to see whether the door slides easier.