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Auto Door Lock Repair – Replacing the Door Lock Actuator Many modern vehicles have automated door locks. Like any moving part they are susceptible to malfunction or breakdown. If your power locks don't function, it could be a sign of an electrical issue such as a faulty relay or a defective battery. Try applying WD-40 to the area or penetrating catalyst. G28 Car Keys will usually solve the problem. Rekeying Rekeying a door lock for your vehicle involves changing the internal components to accommodate a different key configuration, which increases the car's security while ensuring the control over access. Mastering the process of rekeying enables DIY enthusiasts to tackle various security concerns. The meticulous attention to detail required by this task creates the foundation for reliable functionality. Modern car locks employ the pin-and-tumbler method. The ridges of keys are aligned with the pins on the lock cylinder, creating a shearline that opens the latch to allow entry. Rekeying involves changing the pin and tumbler configuration to match a different key while maintaining the correct alignment of shear lines. This is to prevent the use of keys that are not authorized. The cylinder of the lock may incorporate security features that are built-in such as anti-drill and anti-pick pins that deter burglary attempts. The process of rekeying an auto door lock starts by taking the lock cylinder out of the housing's exterior, then disassembling and reassembling the core. The key cylinder then gets installed back into the housing's exterior and the lock handle linkage and fasteners are then reattached. The lock cylinder has to be tested to ensure it is working correctly and safely using the new key. Rekeying an automobile lock properly requires the appropriate tools to avoid damaging or compromising the security of the lock and its components. Certain tools and materials you'll require 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 area to organize and contain the pins when rekeying. Screwdriver set A set of high-precision screwdrivers will facilitate disassembly and reassembling the lock cylinder. Tweezers: Tweezers that are precise can be used in manipulating and removing small springs and other components. Rekeying a lock for your car is a relatively simple project however, it can take a long time. Plan for this time when planning the reconkeying. Make sure to include extra time to account for any unexpected delays or problems. It's also a good idea consult a professional to get expert assistance. Replacement The door lock actuator is a key element in the operation of the power locks found in the majority of vehicles. If they're functioning properly, they'll retract and engage the latch as soon as you press the button inside your car or on your key fob to unlock or lock the door. If you are having trouble 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 dust, moisture and other contaminants. Door lock actuators can also fail prematurely if physically damaged as a result of an accident or failed attempt to jimper the lock to open. In addition, poor quality components could cause the door lock actuator to fail prematurely, or completely. The door locks will not respond to the key fob or buttons inside the vehicle, if they are intermittently unresponsive. Another sign is when you attempt to turn on the lock and it makes a buzzing or rattling noise. Replacing a door lock actuator is a relatively simple job that most auto shops can perform in one to two hours. The door panel, window, door liner, and the rod for controlling the lock will need to be removed. They'll also need to disconnect the lock rods and electrical harness. Once they have the new actuator they will put it into the door, reconnect the rods and cable and replace any broken clips that cause an issue with the door panel. the door panel. A replacement door lock actuator costs between $125 and $225, depending on the model and brand of your vehicle. If you decide to do the repair yourself, you'll need a few inexpensive tools to help with the process. These include a door handle remover that can be used for crank windows (about $7 from any automotive parts store) and an offset screwdriver with a flat blade. When replacing an actuator that locks with power, it's important not to reuse the old latch rod or cable for the door lock. This could cause the new lock to fail. Repair Almost all modern cars come with power door locks that are controlled by actuators. They are more complicated than mechanical lock cylinders that were found on older vehicles and can be more difficult to fix in the event of a break. There are a variety of ways to fix them and they're usually not expensive. If it's due to physical damage, electrical issues or simply wear and tear over time, the auto door lock in your car could need to be replaced. One of the most common causes of the power door lock that fails to work is the blowing of a fuse. The doors rely on this fuse to send a signal which activates the motor and opens or closes the door. This fuse is simple to replace and relatively inexpensive. A worn-out actuator is a different problem. You can tell if you have a defective actuator by its symptoms, like a lack of door lock operation or unusual noises. Test the actuator with an electronic multimeter. If the multimeter shows that power is reaching the actuator but it's unable to allow the power locks to be activated, the actuator is likely damaged. The best method to identify a faulty actuator is to take the door panel and visually inspect it. The actuator is usually located close to the handle. You can also jimmy the lock mechanism open by wiggling it up and down while pressing the button to unlock or lock the car. If the mechanism isn't loose or cracked, it is probably just jammed. A quick spray of WD-40 will usually unblock the mechanism. This solvent can be found at a wide range of auto and home improvement stores. It's also affordable. Make use of a straw that is long and thin to get the lubricant into the lock. If the mechanism is stuck, a penetrating catalyst can be used to remove corrosion and restore function. If the lock is still not working after attempting all these methods, it is probably time to call a professional. Installation If your car door lock isn't operating in the way it should, it can be a big issue and could make driving unsafe. The good thing is that door locks for autos aren't that difficult to fix and can usually be repaired to working condition without the necessity of replacing. Most people do not think about their car's door locks until they stop working, but the fact is that your car's doors are among its most crucial safety features. The lock on the car door is operated by a sophisticated set of mechanics, which includes a control rod and latch. Depending on the model, these parts can be controlled by the key fob or interior buttons. The body controller sends an indication to the actuator whenever it receives a key fob signal or interior button signal. A faulty actuator can cause the door locks' power to stop functioning, which is harmful for your security as well as convenience. Additionally, many modern automobiles integrate their locking systems with other electrical systems, so a faulty actuator can disrupt the functions of those systems as well. There are a few common signs that your car's door lock actuator is failing: Common signs of a malfunctioning door lock actuator are inconsistent operation and unusual noises. If the door locks with power aren't working when you press the key fob, you might hear an unusual buzzing or whirring sound. This is because the actuator isn't correctly connecting to the latch and anchor. If you're experiencing these signs, the best thing to do is to contact an expert locksmith. They'll be able to evaluate the situation and determine what you need to do to bring your door locks back to working condition. A professional locksmith is able to handle more complex problems. In most instances, a professional locksmith will be able to solve the issue and bring the door lock of your car to a working state without the need for replacement.