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Auto Door Lock Repair – Replacing the Door Lock Actuator A lot of modern vehicles come with automatic door locks. However, like any other moving part they can fail or fail. If your power locks don't work it could be the result of an electrical problem such as a faulty relay or a bad battery. Try lubricating it with WD-40 or penetrating catalyst. This usually resolves the problem. Rekeying Rekeying an auto door lock involves changing the internal components to accommodate a new key configuration, enhancing vehicle security while maintaining the control over access. Rekeying is an easy DIY skill that provides DIY enthusiasts with the ability to solve a variety of security concerns. The meticulous focus on detail required for this job ensures dependable operation. Modern car locks employ a pin and tumbler system which is where the ridges on keys align with the pins of the lock the cylinder to trigger an opening of a shear line the latch mechanism, allowing entry. Rekeying is the process of changing the pin and tumbler configurations to match the new key, while maintaining the proper alignment of a shear line, and preventing unauthorized key usage. The lock cylinder can also have security features built in like anti drill and anti pick pins to discourage attempts to breaking-in. Rekeying an auto door lock starts by removing the lock cylinder from the outer housing, then disassembling and reassembling its core. The key cylinder then gets returned to the housing's outer shell and the lock handle linkage and fasteners are attached. The lock cylinder has to be tested to ensure it functions properly and effectively using the new key. Properly rekeying an automotive lock requires the proper tools to ensure that you don't damage or compromise the integrity of the lock as well as its components. Some of the tools and materials you'll need will depend on the lock. Plug followers are required to remove the plug without scattering pins. Pinning mat A pinning mat acts as a designated space to arrange and store the pins when rekeying. Set of screwdrivers that are precision: A set will help you disassemble and put back together the lock cylinder. Tweezers. Tweezers with precision can be used to manipulate and remove small springs and other components. Rekeying an automobile door lock is a simple project, although it can take several hours to finish the task. Plan for this time when planning the reconkeying. Be sure to add time to account for any unexpected delays or problems. Additionally, it's a good idea to consult an expert for help in this kind of job. Replacement The door lock actuator is an important element of the power locks that are found in the majority of automobiles. When they are operating properly, they will retract and engage the latch when you press the button on your key fob or inside the vehicle to lock or unlock it. If you're having issues with your power locks, it may be time to replace the door lock actuator. The actuator is electrical and can fail due to corrosion caused by moisture, dust, and other contaminants that get into the components. The door lock actuator could also fail prematurely if physically damaged due to an accident or failed effort to jimmy the lock open. Utilizing components of poor quality can also lead to early failure or even total failure of the door lock actuator. The door locks won't respond to the key fob, or buttons in the vehicle, if they are intermittently unresponsive. Another symptom is when you attempt to turn on the lock and it creates a rattling or buzzing sound. Replacing a door lock actuator is a relatively simple job that auto repair shops typically perform in one to two hours. They'll have to take out the door panel and the window, and then take off the door's liner inside as well as the rod for control of the lock, and the door handle control rod. They'll also have to disconnect the lock rods and electrical harness. Once they have the new actuator in hand, they will install it into the door, reconnect the rods and cable and replace any broken clips that could cause a rattle or looseness in the door panel. A replacement door lock actuator is priced between $125 and $225 depending on the model and brand of your vehicle. You'll require a few cheap tools to complete the repair if opt to tackle it yourself. You will need tools to remove door handles for crank windows (about seven dollars at any automotive parts store) and an offset flat-blade screwdriver. g28carkeys.co.uk to remember that when replacing an actuator for a power lock it is not recommended to reuse the old door lock cable or the latch rod that you have already. This will likely cause the new door lock to fail. Repair Modern cars are equipped with door locks that are powered by actuators. They are more complicated than the basic mechanical lock cylinders found on older cars, and can be much more difficult to repair should they go bad. There are several ways to fix them, and they are generally not expensive. If it's due to physical or electrical problems or simply deteriorating over time, the auto door lock on your car may require replacement. A blown fuse is one of the most common causes of a power lock that is not functioning. The doors rely on this fuse to send a signal which triggers the motor and can open or close the door. The fuse is simple to replace and fairly inexpensive. Another issue could be a worn out actuator. You can identify a faulty actuator through its symptoms, like inconsistent door lock operation, or unusual noises. Test the actuator using an electronic multimeter. If the multimeter shows that the actuator is receiving power but does not activate the power locks, then the actuator may be defective. The best method to identify an actuator that is malfunctioning is to take the door panel and then visually inspect it. The actuator is typically located close to the handle. You can also move the lock mechanism by wiggling it up and down while pressing the button to lock or unlock the vehicle. If the mechanism isn't broken or loose, it is probably just jammed. WD-40 is a fantastic solvent to use to unjam mechanisms. This solvent can be found at a wide range of automotive and home improvement stores. It's also affordable. Be sure to make use of a long and narrow straw to get the lubricant inside of the lock. If the mechanism remains stuck an penetrating catalyst may be used to remove corrosion and restore function. If the lock is still not working after trying all of these methods, it's most likely time to call an expert. Installation If your car door lock isn't working as it should, it can be a major issue and could cause driving to be unsafe. The good part is that auto door locks aren't difficult to repair and can often be restored to full working condition without the need for replacement. The doors in your car are a crucial safety feature. Most people only think about them when they stop working. The way in which the door lock of a car is based on a complex set of mechanics that includes the control rod, latch and knob. Depending on the model, these parts can be controlled by the key fob or internal buttons. When the body controller receives an indication from the key fob or the interior buttons, it sends that signal to the actuator, which in turn moves the latch and handle. A defective actuator could cause the door locks' power to stop functioning, which is harmful for both security and convenience. A malfunctioning actuator could also affect other electrical systems in some modern cars that are incorporated with the locking system. There are some common signs that the door lock actuator in your car is failing. Unusual noises and inconsistent operation are typical symptoms of a malfunctioning actuator. If the power door locks don't work when you press the key fob, you may hear an unusual buzzing or whirring sound. This is due to the actuator not properly connecting to the latch and anchor. If you're experiencing any of these symptoms, the best thing to do is contact an expert locksmith. They'll be able to evaluate the situation and determine what needs to be done to get your door locks back to working condition. Certain repairs to auto locks can be performed by the average person, however professionals will have the tools and experience to tackle more complex issues. In many instances, a professional locksmith can fix the problem and restore the lock on your auto door to working condition without the necessity of replacing it.