Lock cylinder diagnosis is apparent when attempting to perform any function with the key, but the function does not work. In explanation, the function may be turning the key to lock or unlock the door, removing the key, installing the key, or turning the key smoothly. When any of these cannot be accomplished, the key is evaluated as well, but the lock cylinder will likely be the culprit. Upon disassembly, the technician can verify the lock cylinder is functioning improperly.
How are Door Lock Cylinders replaced?
Door lock replacement will generally begin by removing the inner door panel, and detaching the lock cylinder from inside of the door frame. This is not always the case, and some door lock cylinders can be removed by fasteners on the edge of the door frame and manipulating the key. When the new door lock cylinder is delivered, it will be disassembled, and rekeyed to match the existing key, so the original key can be maintained.
RepairPal Recommendations for Door Lock Cylinder issues
To prevent needing additional keys for your vehicle, an experienced locksmith can rekey the new door lock cylinder to match the existing key. This will prevent you from having a separate key for the door and ignition.
What to look out for when dealing with Door Lock Cylinder issues
When the lock cylinder fails, removal can become difficult or impossible, and may require disassembly of the interior door panel, window regulator, or parts of the door frame. If the lock must be destroyed to remove it from the vehicle, a professional should perform the task to prevent damage to other components. Lastly, the door lock cylinder in some cases is integrated into the theft deterrent system, so special care should be taken to prevent damage to electrical components on or adjacent to the lock cylinder.
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A door lock cylinder can be fairly difficult to replace, depending on make, model, and year of the vehicle. Some vehicles require no disassembly to remove the lock cylinder, while most will require that the inner door panel be removed at a minimum. If the door cannot be opened, this is not recommended for a DIY project, as an experienced technician will likely be needed to open the door before replacement can begin.