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Auto Door Lock Repair – Replacing the Door Lock Actuator Many modern vehicles are equipped with automatic door locks. But like any other moving component, they can break down or fail. If your power locks do not work, this could be an indication of an electrical issue such as a damaged relay or battery. Try lubricating it with WD-40 or penetrating catalyst. This will usually resolve the issue. Rekeying Rekeying a door lock for your vehicle involves modifying the internal components to accommodate a new key configuration, which increases the car's security while maintaining control over access. Rekeying is a DIY skill that empowers DIY enthusiasts with the capability to address a wide range of security concerns. The meticulous attention to detail needed to complete this task guarantees reliable performance. Modern car locks use a pin and tumbler system which is where the ridges on keys are aligned with the pins of a lock the cylinder to trigger a shear line that opens the latch mechanism to allow entry. Rekeying involves changing the pin and tumbler configuration in order to match a different key while maintaining the correct alignment of a shear line. This stops the misuse of keys by unauthorized people. The lock cylinder may also include built-in security features such as anti drill and anti pick pins to stop attempts at break-in. Rekeying an auto door lock begins by taking the lock cylinder out of the housing's exterior, then disassembling and reassembling the core. The key cylinder is then returned to the housing's outer shell and the linkage to the lock handle and fasteners are then reattached. Finally, the lock cylinder is tested to make sure it operates correctly and reliably with the new key. To ensure that you don't damage the lock or its parts for safety, you'll require the right tools for rekeying an auto lock. Depending on the lock, the tools and materials you will require include: Plug followers: They are required to remove the plug from the cylinder without scattering the pins within. Pinning mat A pinning mat acts as a designated workspace to organize and contain the pins during the process of rekeying. Set of precision screwdrivers: A set will aid in the dismantling and rebuild the lock cylinder. Tweezers. Precision tweezers can be used to manipulate and remove small springs as well as other components. Rekeying an automobile door lock is a easy project, however it can take several hours to finish the task. Make sure to plan this time when scheduling the rekeying. Be sure to add time for any unexpected delays or issues. It's also a good idea consult a professional for professional assistance. Replacement The door lock actuator is a vital element of the power locks found in the majority of cars. When they're working correctly, they'll retract and then engage the latch as soon as you press the button inside your car or on your key fob to lock or unlock the door. It may be time to replace the door lock actuator if you are experiencing problems with power locks. The actuator is electrical and may fail due to corrosion from dust, moisture and other contaminants that are introduced into the components. Physical damage to the door lock actuator due to an accident or failure to jimmy open a door lock could also cause it to fail prematurely. Using poor quality components can cause premature failure or even total failure of the door lock actuator. The door locks won't respond to the key fob or buttons on the vehicle in the event that they are intermittently unresponsive. When you try to activate the door lock, it emits an eerie sound or rattles. Replacing a door lock actuator is a simple job that auto repair shops typically perform in one to two hours. They'll need to take off the door panel and the window, then they will need to remove the door's inner liner and the lock control rod, and the rod that controls the door handle. They will also need to disconnect the lock rods as well as the electrical harness. Installing the new actuator on the door is the next step. They will reconnect the rods, cables and replace any damaged clips. A door lock actuator replacement costs between $125 and $225 based on the model and brand of your vehicle. If you decide to make the repair yourself, you'll require a few tools to aid in the process. These include a door handle remover for crank windows (about $7 at any auto parts store) and an offset screwdriver with flat blades. It is crucial to remember that when replacing an actuator for a power lock do not reuse the cable that was used for the door lock or the existing latch rod. This will cause your new lock to fail. Repair Almost all modern cars have door locks with power that are controlled by actuators. These are more complex than the basic mechanical lock cylinders that were used on older vehicles, and they can be a lot more difficult to repair if they go bad. There are car door locks repair of ways to repair them and they're usually not expensive. The lock on the auto door in your vehicle may require replacing due to electrical issues or physical damage or wear and tear as time passes. A damaged fuse is one of the most frequent causes of a power lock that is not working. The fuse is responsible for sending a signal to the doors that activates the motor, which then opens or closes them. The fuse is simple to replace and fairly inexpensive. A worn-out actuator is another possible problem. A malfunctioning actuator can be identified by a variety of symptoms, including inconsistent door lock operation as well as strange noises. A digital multimeter can be used to test the actuator. If the multimeter shows that the actuator is powered but does not activate the power locks then the actuator is probably defective. The best method to identify an actuator that is malfunctioning is to remove the door panel and visually inspect it. The actuator is usually located near the handle. You can also play with the lock mechanism by wiggling it up and down while pressing the button to unlock or lock the car. If the mechanism does not appear to be loosened or cracked it could be blocked. A quick spray of WD-40 will often free the mechanism. This solvent is available in a variety of auto and home improvement stores. It is also relatively cheap. Make use of a straw that is long and thin to introduce the lubricant into the lock. If the mechanism still feels stuck, you can try using an abrasive catalyst to reduce corrosion and restore functionality. If you have tried all of these approaches but the lock is still unable to work then it's time to contact a professional. Installation If your car door lock isn't working as it should, it could be a huge problem and can cause driving to be unsafe. The good news is that auto door locks aren't too difficult to repair and can often be repaired to working order without the necessity of replacing. Most people don't think about their vehicle's door locks until they stop working, but the truth is that your car's doors are among the most crucial safety features. The way that a car door lock works is based on a complex system of mechanics which includes a control rod, latch and knob. Based on the model, these elements might be operated by either the key fob or internal buttons. The body controller sends a signal to the actuator when it receives an internal key fob or interior button signal. A malfunctioning actuator could cause your door locks' power to stop functioning, which is not good for security or comfort. A defective actuator can also affect other electrical systems on some modern cars that are integrated with the locking system. There are several common indications that your car's door lock actuator is not working properly: Unusual sounds and inconsistency are common signs of an actuator that's malfunctioning. For instance, if your door locks don't work when you press the key fob button you may hear an odd buzzing or whirring sound. This is due to the actuator not correctly connecting to both the anchor and latch. Call a locksmith if you experience these symptoms. They'll be able to evaluate the situation and determine how to restore your door locks back to working order. Some repairs to auto locks are able to be completed by the average person, but a professional technician will have the tools and expertise to handle more complicated issues. In most cases an expert locksmith will repair the issue and bring the door locks of your vehicle to their original condition.