In addition to cleaning and lubricating sliding door tracks you want to lubricate the door lock.
How to fix sliding glass door handle lock.
Step 6 test again.
To fix weatherstrippingthat s no longer protecting you from the elements loosen its staples with a screwdriver then pull it from the door prying gently with a putty knife if necessary.
You just put the handles on either side of the door and screw them together.
Close the sliding door and engage the door lock again.
Usually you buy just the mortised steel lock assembly that fits within the door and reuse the old handles and actuating lever.
Remove these screws and the handle should simply fall off.
Place the interior side of the door lock frame into the door.
Once it is fixed in place continue with the screwdriver to make sure that the handle is secured completely.
You should find a few screws around the edge of the handle which need to be unscrewed or you may have a screw on the edge of the door frame.
How to repair a sliding door lock.
It was as simple as two screws.
Install the new weatherstripping as the directions indicate making sure to orient the flap correctly.
It might become difficult to insert your key into an old sliding door lock over time.
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.
Apply a lubricant to both upper and lower tracks to keep the door hardware clean and operating freely.
Position your door handle over the screw holes and hand tighten both screws.
Finally time to attach the new handle.
Place the door handle over the screw holes on the interior side of the door frame followed by the screws and hand tighten the screws.
Step 5 reattach the handle.
Once you get the key in the lock it may become difficult to turn the cylinder.
Tighten the screws with a phillips head screw driver.
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.