Often a malfunctioning latch assembly or lock mechanism causes the problem.
Manual door lock not working.
Reinstalling the door lock actuator step 1.
The key fob is faulty.
This is one of the most common reasons why your car door lock is not working.
Spray electrical cleaner onto the black electrical connector.
Sorry that we feel the need to state.
There are only 2 things you can try to fix this yourself.
Many door knob and lockset problems can be corrected before they become so serious that the lockset does not work at all.
While the key is in work the door lock manually up and down while using the auto lock at the same time.
If not then you may have a blown fuse.
Door key does not work.
Attach the plastic door lock actuator back onto the.
To clean the lock mechanism insert a damp cotton swab into the keyhole and jiggle it around to attract the dirt.
I worked as a locksmith for many years and saw many people who would come in with this exact problem.
Part 5 of 6.
Next the lock needs to be lubricated.
If the battery isnâ t the problem the issue may be with the fob itself.
If that doesn t work i would venture to guess that the wafers in your door lock have worn down to the extent that you need the lock replaced.
If your door key doesn t work right the first and most obvious step is to be sure you re using the right key.
Turn off the engine and open the driver side door to turn the radio off.
If you have a key that won t work in the lock please see how to repair keyed door locks.
If the lock tries to move then it is a frozen lock mechanism.
If your car key is not working when you attempt to unlock your car there is a possibility that the lock itself is damaged.
Clean and reconnect the actuator.
Wait 5 minutes start your car.
Graphite and only graphite first.
If that does not solve it turn off your engine disconnect the car battery wait about 5 minutes.
Here we look at how to fix problems with a key operating a door lock.
If your locks arenâ t working replacing the battery in the key fob could solve the issue.
If you drive a fairly modern car there is less of chance that you will have to deal with this which is mostly attributed to the presence of key fobs and keyless entry remotes.
If you can put the key in the lock but cannot to turn it the lock may have seized because dirt or grime has gotten caught in the mechanism.
For other types of problems with door knobs and locks please see repairing door knobs hardware.
Never use oil for this task.
Here we look at repairs for locksets and knobs.
Step 3 work the lock manually.