This simple diy trick may solve your issues.
Repairing sliding door latch.
Many screen repair shops use a 4 x 8 table covered with carpeting to protect the screen doors painted finish.
Once you have the door removed lay the sliding screen down on a flat surface with lots of room around you.
Step 3 removing the screws two screws on the end of the door secure the latch.
Usually you buy just the mortised steel lock assembly that fits within the door and reuse the old handles and actuating lever.
Remove the handles from the door using a philips head screwdriver.
Apply a lubricant to both upper and lower tracks to keep the door hardware clean and operating freely.
Scrub caked dirt and grime out of the track with a stiff brush and soapy water.
Start with a good cleaning.
Repairing a sliding door screen.
There is also a page about sliding screen locks and latches.
Sliding glass door repair will get the job done.
Release the tab or button remove the inside doorknob by locating the button like our model metal tab or wire clip on the side of the knob that acts as a release.
On some sliding glass door locks the door handles have long screws that go right through the steel mortised lock and there is usually a actuating lever that slides into a rectangular hole in the lock.
Take your graphite pen and insert it into the lowermost screw hole quickly to prevent the latch from falling into the frame.
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.
Using an awl or small screwdriver push the button in all the way and at the same time pull off the handle.
If the door still doesn t slide smoothly the rollers under the door either need adjusting or are shot.
Tighten a loose door handle photo 1.