While you might need to completely replace your lock it s possible you just need to replace the latch.
How to fix glass door lock.
If lubricating the latch doesn t fix the problem it s time to replace it.
Most sliding glass door manufacturers etch their name or the model number into the door s corner edge.
They are often used in higher end doors because steel mortise locks are more secure than the cast aluminum alloy versions used in many patio doors.
Fixing or repairing a door lock may seem like a daunting task but it can be very simple to fix.
Try applying lubricant such as a petroleum based oil or wd 40 in the area to see if that works.
Fixing a sliding glass door lock is a very quick repair.
To realign your door in the tracks at the top and bottom of the frame remove the door from the track and reinsert it.
You can easily find a sliding glass door lock at your local hardware store or home center and if you remove the broken door lock and handle and take it to the store with you it will be easier to find a match.
Check out this simple diy to learn how.
Most sliding doors manage to get knocked off kilter at one point or another.
Step 2 remove the latch body.
Sliding glass door locks such as the steel mortise style locks shown on this page are used in wood vinyl and aluminum patio doors.
Step 1 determining the model.
Find this information and write it down.
Watch as a professional home repairman shows how to fix door.
These types also experience the same symptoms as the standard glass door locks.