It s possible that there is an issue with the lock cylinder.
Inner door wont lock.
If the door still does not latch properly then it could be that the strike plate is not aligning properly with the latch.
The fixes are very simple if you have any suggestions for videos you w.
This video shows 3 common issues that result in a door not latching or staying closed.
When a push button door knob begins to fail it either needs greasing or complete replacement to fix.
If not do the lipstick test smear lipstick on the latch and stick masking tape to the strike plate.
Sometimes you can clearly see the misalignment.
Slide the key in the lock and tap lightly on the key to lubricate the inside of the lock.
In some vehicles the cable that connects the door lock actuator to the inner door handle may be built into the actuator assembly.
Put some graphite into the keyhole either by squeezing it from a tube or dusting it onto a key and then operate the lock a few times to work the graphite into the mechanism.
Faulty lock the internal mechanism could be broken.
Spray the door key with a graphite based lubricant.
Before you buy a replacement lock try some quick remedies.
Exterior locks can freeze interior locks get dirty and small internal parts eventually wear out or break.
In most cases the problem with a door lock actuator is limited to only one door.
Push button door knobs are used throughout the home as a cheap way to lock interior doors.
Key is hard to turn or won t go in the lock don t force the key.
Tap the end of a chisel under the door stop on the striker side of the jamb.
Flip the key and open the door.
If it won t lock open the door.
The lock on a push button knob is meant strictly for household privacy.
Shut the door and try to lock it.
Try applying wd 40 or a silicone lubricant if the latch is still catching in the door.
When a door latch won t catch it s because the latch doesn t align with the hole in the strike plate.
Step 3 align strike plate.
Forcing it could break the key in the lock.
Often they stick or break due to excessive pressure being placed on the door.
Loosen the knobs a little to relieve some of the pressure on the door and to free up the latch a little.
In some cars a failed door lock actuator may lock but won t unlock or the other way around.