The lock mechanism may not work simply because the lock is dirty or dry and needs to be lubricated with graphite do not use any type of oil because this will gum up the works.
How to make a door lock not work.
For serious lock problems it is usually best to call a locksmith or to replace the lock.
How to fix a door that will not lock.
Symptoms of a failing door lock actuator.
Door lock problems that are a result of debris jamming up the keyway should not be ignored because they can potentially result in more problems like breaking a key in a lock.
Also a broken bolt or latch that causes your door lock to jam might be a symptom of a much larger issue like an attempted home break in.
It is not recommended to use wd 40 in or on any type of door locks or deadbolts.
The striker fails to penetrate into the door jamb because the door.
This will require the driver to use the key to lock or unlock the doors and can disable the power door locks completely for vehicles that do not use a traditional key such as newer luxury vehicles.
Door locking problems almost always originate in the door latch not the locking mechanism.
First find out if the door lock actuator works in any mode i e.
Does it work with the door switches but not the remote key fob.
Door lock actuators are.
If the door lock actuators fail they will disable the power door lock feature from working.