Raise it just enough to clear the track and roll smoothly.
How to repair sliding door track.
If your patio door track is physically broken so that the metal is ripped or worn away it is time to consider a universal replacement kit.
For repairs to hinged patio and entry doors please see how to repair a door.
If your patio door track is bent out of shape repair is usually possible.
Sliding door repairs are discussed in this article.
Completely open your sliding patio door.
Step 2 prepare the door.
When a sliding door doesn t work right the problem is often that the rollers have derailed so first check to be sure they re fitted onto the track properly.
The best way to lubricate any lock is to disassemble it and use an aerosol lubricant to flush away grime and coat the moving parts of the lock.
Sliding glass doors are kept in place by the track on the bottom and a simple channel guide at the top of the frame.
Once clear of the bottom track the door will drop out of the frame completely.
In addition to cleaning and lubricating sliding door tracks you want to lubricate the door lock.