The first step in fixing any door lock or handle problems is to remove the door panel see pelican technical article.
Porsche driver door lock problem.
Driver door lock i recently purchased a 2005 cayenne s model v6.
When i try to unlock the suv with the remote i can hear all the locks unlock but i cannot open the drivers side front door from the outside using the handle.
With the inside door handle not working the most likely cause is the linkage that runs between the door lock actuator and door handle.
Like the power door lock switch the power door lock actuator can malfunction due to the large amount of use that it gets.
Follow along with the photos in this project to work through the steps involved in replacing the door handle parts and also the integrated lock assembly.
The rack and pinion are able to convert the rotational motion of the motor to a vertical motion which locks and unlocks the doors.
This known problem is caused by a faulty connection under the driver seat and can be easily fixed when brought a qualified mechanic.
When the actuator gets the signal from the power door lock switch a small motor turns the gears.
Porsche 911 carrera door panel removal.