To start your sliding glass door adjustment project first lift or lower the door on the track with a screwdriver or allen wrench.
How to repair sliding door track.
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.
Completely open your sliding patio door.
Sliding glass doors are kept in place by the track on the bottom and a simple channel guide at the top of the frame.
Sometimes patio doors become hard to open even when the track is clean.
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.
Sliding door repairs are discussed in this article.
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.
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.
Once clear of the bottom track the door will drop out of the frame completely.