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Auto Door Lock Repair – Replacing the Door Lock Actuator Many modern vehicles are equipped with doors that are locked automatically. But like any other moving part they are prone to break down or malfunction. If your power locks do not work, it could be a sign of an electrical issue, such as a defective relay or battery. Try to lubricate it with WD-40 or penetrating catalyst. This usually fixes the problem. Rekeying Rekeying a door lock for your vehicle requires changing the internal components to accommodate a new key configuration, enhancing vehicle security while ensuring the control of access. The art of rekeying allows DIY enthusiasts to address many security concerns, and the meticulous attention to details required by this task sets the stage for reliable functionality. Modern car locks utilize a pin and tumbler system, where the ridges of keys align with the pins of a lock the cylinder to trigger the shear line, which opens the latch mechanism to allow entry. Rekeying involves changing the pin and tumbler configuration in order to match the key of a different one while maintaining the correct alignment of a shear line. This stops the use of keys that are not authorized. The lock cylinder may also incorporate security features that are built-in like anti-drill or anti-pick pins to deter break-in attempts. Rekeying an auto door lock begins by taking the lock out of the housing on its outer side. Continued is then dismantled and reassembled. The key cylinder is returned to the outer housing and the lock handle linkage and fasteners are then reattached. The lock cylinder is tested to ensure that it operates effectively and efficiently with the new key. Properly rekeying an automotive lock requires the right tools to avoid damaging or compromising the integrity of the lock and 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 functions as a designated workspace to arrange and store the pins when rekeying. Set of screwdrivers that are precision: A set will help you disassemble and reassemble the lock cylinder. Tweezers: Tweezers with precision are useful to manipulate and remove small springs and components. Rekeying an automobile door lock can be a fairly simple project, although it will take several hours to complete the task. Make sure to include this amount of time when planning your rekeying project. Be sure to add time for any unexpected delays or issues. In addition, it's an excellent idea to talk to an expert for assistance in this kind of job. Replacement The door lock actuator is a vital element of the power locks found in the majority of cars. When they're functioning properly, they will retract and then engage the latch when you press the button on your key fob or inside the vehicle to lock or unlock it. If you're experiencing issues with your power locks, it may be time to replace the door lock actuator. The actuator is an electrical component that could fail prematurely due to corrosion caused by moisture, dust and other contaminants. Physical damage to the door lock actuator from an accident or failure to open a door lock may cause it to fail early. The use of inferior components could cause premature failure or even total failure of the door actuator for the lock. The door locks do not respond to the key fob or buttons on the vehicle when they are intermittently unresponsive. When you try to activate the door lock, it produces the sound of a buzzing or rattles. Most auto shops can change the door lock actuator within a couple of hours. The door panel, window, the inner door liner, and the lock control rod will have to be removed. The lock rods and electrical wiring will also need to be disconnected. Once they have the new actuator, they will install it inside the door, connect the rods and cable and replace any broken clips that cause a rattle or looseness in the door panel. A new door lock actuator can cost between $125 and $250, depending on the model and make of your car. You'll require a few cheap tools to complete the repair if opt to do it yourself. These include a door handle remover for crank windows (about $7 at any auto parts store) and an offset screwdriver with a flat blade. When replacing an actuator that locks with power it is important not to reuse the old latch rod or cable for the door lock. This could cause the new door lock to fail. Repair Nearly all modern cars have power door locks that are controlled by actuators. These are more complex than the simple mechanical lock cylinders used on older vehicles, and they can be much more difficult to repair should they become damaged. Fortunately, there are many ways to fix them, and they are generally inexpensive. The lock on the auto door in your vehicle may require replacing due to electrical problems, physical damage, or simply wear and tear over time. A damaged fuse is one of the most common causes of the power lock not functioning. The fuse is responsible for sending a signal to the doors that activates the motor, which opens or closes the doors. This fuse is simple to replace and fairly inexpensive. Another possibility is an actuator that is worn out. A faulty actuator is identified by a number of signs, such as inconsistent door lock operation or strange noises. Test the actuator using an electronic multimeter. If the multimeter indicates that the actuator is powered, but it doesn't start the power locks, the actuator is likely malfunctioning. The most effective way to identify an actuator that is malfunctioning is to remove the panel and then visually examine it. The actuator is usually located near the handle. It is also possible to play with the lock mechanism by wiggling it up and down while pressing the button to lock or unlock the vehicle. If the mechanism isn't cracked or loose, it is probably just jammed. WD-40 is a fantastic solvent to use to unjam a mechanism. This solvent can be found at a wide range of auto and home improvement stores. It is also inexpensive. Make sure to make use of a long and narrow straw so that you can get the lubricant inside of the lock. If the mechanism still feels stuck, you can try using a penetrating catalyst to help break down corrosion and restore functionality. If the lock still is not working after trying all these methods, it is likely that you need to contact a professional. Installation If your car door lock isn't functioning in the way it should, it could be a huge inconvenience and may make driving unsafe. Auto door locks can be repaired and restored to full functionality without having to replace them. The doors in your car are a vital security feature. Most people only think about them when they stop working. A car door lock is operated by a complex set of mechanics that includes a control rod as well as a latch. Depending on the model, these components might be operated by either the key fob or interior buttons. The body controller transmits a signal to the actuator whenever it receives a key fob signal or interior button signal. A malfunctioning actuator could cause the door locks' power to stop working, which is bad for your security as well as convenience. In addition, some modern cars have integrated their locking systems into other electrical systems, so an actuator that is not working properly could disrupt the functions of those systems as well. There are a few common indications that your car's door lock actuator isn't working: Unusual noises and inconsistent operation are typical signs of an actuator that is malfunctioning. For instance, if your power door locks aren't functioning when you press the key fob button, you might hear a strange buzzing or an erupting sound. This is because the actuator isn't correctly connecting to the anchor and latch. Call a locksmith if you notice these signs. They'll be able to evaluate the situation and figure out the best way to bring your door locks back to working order. A professional locksmith is able to handle more complicated problems. In most cases an expert locksmith will repair the issue and bring the locks on your car door to their original condition.