This is because the issue is not with the door and not even with the control the knob has over the stuck latch.
Push locks in door sticks.
Spray the wd 40 into the lock.
Sticking door locks can be attributed to everything from slight settling of the house to a buildup of dust and dirt within the locking mechanism.
Pushing or pulling on the knob or lever releases the latch.
Another way to do it is to coat your key with the graphite powder first and then simply insert it into the lock.
The first door knobs and levers that open three ways.
Press down on the button on the rear of the wd 40 canister to begin releasing the lubricant into the lock.
When a push button door knob begins to fail it either needs greasing or complete replacement to fix.
Don t be afraid to use a liberal amount of oil a sticky lock needs the attention.
The issue a door latch stuck due to a jamming latch will have no real variation between how the latch moves when it is pressed in or when the handle is turned both when the door is open and when it is shut.
Fortunately most front door lock problems can be.
The lock on a push button knob is meant strictly for household privacy.
Hold down the spray button until the wd 40 begins to overflow from the lock opening.
Just gently squeeze a very small amount of graphite powder into the keyhole and then use your key to slowly work the lubricant into the lock.