Fixing Sliding Door Latch

Brace the door with your body and reattach the head stop.
Fixing sliding door latch. These types also experience the same symptoms as the standard glass door locks. If the movement has been slight there s a very simple fix for the problem. Usually you have to push the door in and either pull up or press down on the doorknob in order to get the door latch to catch in the strike plate. This simple diy trick may solve your issues.
As a house settles door latches and strike plates sometimes become misaligned so doors won t latch shut. Sometimes the sliding door may have a latch that works by sliding a small notch up and down. These locks are important for keeping your patio doors secure so it s important that you replace yours promptly if it s not working while you might need to completely replace your lock it s possible you just need to replace the latch. Don t leave the door unattended until the stop is installed roll the door to within a half inch of the latch side jamb then turn the roller adjustment screws until the door is parallel to the jamb.
Try applying lubricant such as a petroleum based oil or wd 40 in the area to see if that works. It might become difficult to insert your key into an old sliding door lock over time. How to repair a sliding door lock.