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Auto Door Lock Repair – Replacing the Door Lock Actuator Many modern vehicles have automatic door locks. Like any moving part they are susceptible to malfunction or breakdown. If your power locks don't work, this could be a sign of an electrical problem such as a damaged relay or battery. Try lubricating your lock with penetrating catalyst or WD-40. This will usually resolve the issue. Rekeying Rekeying an auto door lock requires changing the internal components to accommodate a different key configuration, increasing the vehicle's security and maintaining control over access. Mastering the art of rekeying empowers DIY enthusiasts to address a variety of security issues, and the meticulous attention to detail required by this task sets the stage for solid functionality. Modern car locks use the pin and tumbler system which is where the ridges on a key align with the pins of the lock cylinder, which triggers a shear line that opens the latch mechanism, allowing entry. Rekeying involves changing the pin and tumbler configuration in order to match a new key while maintaining the proper alignment of the shear line. This prevents the use of keys that are not authorized. The lock cylinder could also include security features built-in, such as anti-drill and anti-pick pins to discourage break-in attempts. Rekeying an auto-door lock starts by removing the lock from the housing that surrounds it. The core is then dismantled and put back together. The key cylinder is returned to the housing's exterior and the lock handle linkage and fasteners are then reattached. Then, the lock cylinder is tested to make sure it operates properly and safely with the new key. Rekeying an automobile lock properly requires the appropriate tools to ensure that you don't damage or compromise the integrity of the lock and its components. Depending on the lock, the tools and materials you'll need include: Plug followers are required to remove the plug without scattering pins. Pinning mat A pinning mat functions as a designated workspace to organize and contain the pins during the rekeying process. Screwdriver set: A set of precision screwdrivers will make it easier to disassemble and reassembling the lock cylinder. Tweezers. www.g28carkeys.co.uk can be used to manipulate and extract small springs and other components. Rekeying a car door lock is a relatively easy project, but it can take a long time. Make sure to plan this time when planning the reconkeying. Also, don't forget to include extra time in case of unexpected delays or difficulties. In addition, it's always an excellent idea to talk to an expert for assistance in this kind of job. Replacement The door lock actuator is an essential element in the operation of the electric locks that are found on 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 are having trouble with your power locks, it may be time to replace the door lock actuator. The actuator is electric and could fail due to corrosion from dust, moisture and other contaminants that enter the components. Physical damage to the door lock actuator caused by an accident or an unsuccessful attempt to open a door lock could cause it to fail early. The components that are of poor quality can cause the door lock actuator to fail prematurely or even completely. The door locks will not respond to the key fob or buttons on the vehicle in the event that they're not responding in a consistent manner. If you attempt to turn on the door lock, it makes a buzzing noise or rattles. The majority of auto shops can replace an actuator for a door lock within an hour or two. They will need to remove the door panel and window and then remove the door's inner liner and the rod for control of the lock, and the door handle control rod. They'll also have to disconnect the lock rods as well as the electrical harness. Once they have the new actuator in hand, they will install it in the door, connect the rods and cable and replace any damaged clips that cause an unsettling sound or looseness in the door panel. A replacement door lock actuator can cost between $125 and $250 depending on the make and model of your vehicle. You'll require a few cheap tools to complete the repair if opt to do it yourself. These include door handle removers for crank windows (about $7 from any automotive parts store) and a flat-blade offset screwdriver. When replacing an actuator that locks with power, it's important not to reuse the old latch rod or door lock cable. This will cause your new lock to fail. Repair Almost all modern cars have power door locks that are controlled by actuators. These are more complex than the basic mechanical lock cylinders used on older cars, and are more difficult to repair if they fail. There are fortunately, a variety of ways to fix them and they are generally inexpensive. The door lock for your auto in your car may need replacing due to electrical issues, physical damage or simply wear and tear as time passes. The most common reason for the power door lock that isn't working is a blown fuse. The fuse is responsible for sending a signal to doors that activates the motor, which opens or closes them. This fuse is easy to replace and is relatively cheap. A worn-out actuator is another possible problem. You can identify a faulty actuator by its symptoms, like a lack of door lock operation, or unusual noises. You can test the actuator using a digital multimeter. If the multimeter indicates that power reaches the actuator, but it's unable to activate the power locks the actuator is most likely defective. The best way of diagnosing an actuator that is not working properly is to remove the panel and then visually inspect it. The actuator is usually located close to the handle. You can also try to push the lock mechanism open by wiggling the lever up and down as you press the button to lock or unlock the car. If the mechanism doesn't seem to be loose or cracked, then it may just be blocked. A quick spray of WD-40 will usually unblock the mechanism. This solvent can be found at most automotive and home improvement stores. It's also affordable. Use a straw that is long and thin to introduce the lubricant inside the lock. If the lock still feels jammed, you can use an abrasive catalyst to reduce corrosion and restore functionality. If you've tried these different methods but the lock still does not work then it's time to call in an expert. Installation If your car door lock isn't functioning in the way it should, it could be a major problem and can make driving unsafe. Auto door locks can be repaired and restored to full functionality without the need to replace them. Many people don't think about their car's door locks until they stop working, but the truth is that the doors on your car are among the most crucial safety features. The way that the door lock of a car is based on an intricate set of mechanics that includes a control rod, latch and knob. Based on the model, these components can be controlled by the key fob or internal buttons. The body controller sends a signal to the actuator when it receives the key fob signal or an interior button signal. A defective actuator could cause the door locks that are powered by electricity to stop functioning, which is harmful for your security as well as convenience. Additionally, many modern cars incorporate their locking systems with other electrical systems, so a faulty actuator can disrupt those functions as well. There are several common signs that the door lock actuator in your car is not working properly. Unusual sounds and inconsistency are typical symptoms of an actuator that is malfunctioning. If the power door locks don't work when you press the key fob, you may hear an unusual buzzing or whirring noise. This is because the actuator is not correctly connecting to the anchor and latch. If you're experiencing these signs the best thing you can do is call a professional locksmith. They will be able assess the situation and determine the best way to bring your door locks back to working order. Certain repairs to auto locks are able to be completed by the average person, but professionals will have the tools and experience to handle more complicated issues. In most cases a professional locksmith will fix the problem to restore the door locks of your vehicle to working order.