Common reasons for door latch failure.
Car door latch mechanism stuck.
If a car door lock is stuck in the lock position it is most likely due to a connection between one several or all external and internal connections to the car door latch.
Over time the components wears out and makes it difficult to open and close.
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.
For the stuck latch shoot some oil silicone spray or wd 40 into the latch mechanism on the door.
When your door handle door lock cylinder or interior locking post switch is not properly connected to the car door latch you will find that the car door lock is stuck.
A common reason for car locks to get jammed is a damaged connection to the car door latch.
While diagnosing the issue you will have to check all internal and external connections door lock cylinder and the interior locking switch.
Many problems with car door latches happen in older vehicles and are the result of normal use.
The car door will be stuck in one of these positions.
Try opening the latch with the door handle and see if it now works.
Let it soak in then rub it into all the visible parts with a clean cloth.
In some cases the doors are hard to open and sometimes it takes great force to get the latch to let go.
This is because the issue is not with the door and not even with the control the knob has over the stuck latch.
In some cars the door lock actuator is positioned below the latch.
If you see any rust on the latch components use some steel wool to remove it.
The majority of latch problems are found in older vehicles.
Car door latches getting stuck is a typical complaint heard from car owners.
A rod connects the actuator to the latch and another rod connects the latch to the knob that sticks up out of the top of the door.