Auto Door Lock Repair - Replacing the Door Lock Actuator

Many modern cars come with automated door locks. Like any moving part, they are susceptible to malfunction or breakdown. If your power locks don't work, it could be a sign of an electrical issue such as a faulty relay or battery.

Try lubricating your lock with penetrating catalyst or WD-40. This usually resolves the problem.

Rekeying

Rekeying an automobile door lock requires changing the internal components to accommodate a different key configuration. This improves security for the vehicle while maintaining control of access. Rekeying is an easy DIY skill that provides DIY enthusiasts with the capability to address a wide range of security issues. The meticulous focus on detail required for this job ensures dependable functionality.

Modern car locks employ a pin-and-tumbler system. The ridges on keys are aligned with the pins of the lock cylinder, which triggers a shearline that opens the latch to allow entry. Rekeying involves changing the pin and tumbler configuration to match a new key while maintaining the proper alignment of a shear line. This prevents the misuse of keys by unauthorized people. The lock cylinder may also include security features built-in such as anti-drill and anti-pick pins that deter burglary attempts.

Rekeying an auto-door lock begins with taking the lock out of the housing on its outer side. The core is then removed and reassembled. The key cylinder is returned to the housing's outer shell and the lock handle linkage and fasteners are reattached. The lock cylinder needs to be tested to ensure that it works correctly and reliably using the new key.

To ensure that you don't damage the lock or its parts, you will need the correct tools to rekey an automobile lock. Depending on the specific lock, some of 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: The mat is used to keep and organize the pins when rekeying the lock. Set of screwdrivers that are precision Sets of screwdrivers will make it easier to disassemble and reassemble the lock cylinder. Tweezers. Tweezers that are precise can be used to manipulate and extract small springs as well as other components.

Rekeying the lock of your car is a relatively easy project but it can take a long time. Make sure to plan this time when planning the key rekeying. Be sure to add time to account for any unexpected delays or problems. In addition, it's an excellent idea to talk to a professional for expert assistance with this type of task.

Replacement

The door lock actuator is an important component of the power locks in most cars. If they're functioning correctly, they will retract and then engage the latch once you press the button inside your car or on your key fob to lock or unlock 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 can fail prematurely due to corrosion caused by moisture, dust and other contaminants. A door lock actuator can also fail prematurely if it is physically damaged due to an accident or a failed effort to jimmy the lock to open. Poor quality components can also cause the door lock actuator to fail prematurely or completely.

A common indication of a failed actuator is when door locks aren't responding to the key fob or buttons inside the vehicle. Another indication is when you attempt to turn on the lock and it makes a buzzing or rattling sound.

The majority of auto shops can replace a door lock actuator in an hour or two. The door panel, window, inner door liner and rods for control of the lock need to be removed. The electrical wiring and the lock rods will also have to be removed. Installing the new actuator on the door is the next step. They will reconnect the rods, cables and replace any broken clips.

A replacement door lock actuator will cost you between $125 and $250, depending on the make and model of your vehicle. You'll need a few inexpensive tools to complete the repair if you opt to do it yourself. You'll need an instrument to remove the door handle for crank windows (about seven dollars at any automotive parts store), and an offset flat-blade screwdriver. It is crucial to remember that when replacing a power lock actuator it is not recommended to 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 power door locks that are controlled by actuators. They are more complicated than the simple mechanical lock cylinders used on older models, and they are more difficult to repair if they fail. There are a variety of ways to fix them and they are generally not expensive. The door lock for your auto in your car may need replacing due to electrical issues, physical damage or simply wear and tear over time.

The most common reason for a power door lock that doesn't work is the blowing of a fuse. The doors depend on this fuse to send a signal which triggers the motor and will open or close the door. This fuse is easy to replace and is relatively cheap. A worn-out actuator is another possible problem. You can tell if you have a defective actuator by its symptoms, like inconsistent door lock operation, or unusual noises. You can test the actuator using a digital multimeter. If the multimeter indicates that the actuator is receiving power but it does not trigger the power locks, then the actuator is probably defective.

The best way of diagnosing an actuator that is not working properly is to remove the panel and visually examine it. The actuator here is usually located close to the handle. It is also possible to jimmy open the lock mechanism by wiggling the lever upwards and downwards when you press the button to lock or unlock the car. If the mechanism isn't cracked or loose it's probably jammed. A quick spray of WD-40 will usually unblock the mechanism. A can of this solvent is available at a wide range of home improvement stores and automotive supply stores and is fairly affordable. Be sure to use a long, skinny straw so that you can get the lubricant inside of the lock. If the lock still feels stuck, you can try using an abrasive catalyst to remove corrosion and restore function. If you have tried all these methods and the lock is still unable to work then it's time to get an expert.

Installation

If your car door lock isn't functioning in the way it should, it could be a major problem and can cause driving to be 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 fact is that your car's doors are among the most crucial safety features.

A car door lock is operated by a sophisticated set of mechanics that includes a rod for control and a latch. Based on the model, these components might be operated by either the key fob or internal buttons. The body controller transmits an alert to the actuator whenever it receives the key fob signal or an interior button signal.

A defective actuator can cause your door locks' power to stop working, which is not good for security or comfort. A defective actuator can also affect other electrical systems in modern cars that are incorporated with the locking system.

There are a few common indicators that your car's doors lock actuator is not working properly:

Unusual noises and inconsistent operation are typical symptoms of a malfunctioning actuator. For example, if the door locks don't work when you press the key fob button you might hear a strange buzzing or the sound of whirring. This is because the actuator is not properly connecting to the anchor and latch.

Call a locksmith if you experience these symptoms. They will be able assess the situation and decide on the best way to bring your door locks back to good working order.

A professional locksmith is able to handle more complex problems. In many cases, your professional locksmith will be able to fix the problem and restore the door lock of your car to working condition without the need for replacement.