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Auto Door Locks Repair – Fixing a Power Door Lock Actuator Over time the door lock actuator powered by electricity will wear out. Electrical issues, such as blowing fuses or damaged wiring, may also affect it. Sometimes, worn bushings can cause the door to operate slow or in a erratic manner. Watch the movement of the parts as you pull and push the door handle. Unlocking Door locks are a convenience that is expected in modern vehicles however, they can also fail. The issue could be caused by a dead battery, a worn-out electric motor or actuator, corroded wires, or even the fact that the door was opened. Depending on the car model depending on the car model, doors can be locked or unlocked in a variety of ways. Some have a keyhole and door handle that requires a physical key to be used, whereas others use a button on the interior of the door or a remote control, keyless entry, or a combination of these. If you're finding that the door lock isn't responding it's likely that the issue is the door lock actuator powered by power. It's not uncommon for these to wear out after a decade of regular usage and may simply stop working. You can usually find out the issue quickly using a digital multimeter. You'll hear a whirring sound when the gears spin and a quiet clunk when the latch bolt completes the process. If the power locks do not function, you'll have to remove the panel and test the solenoid by using an alligator clip or another method. In certain models, the door lock switch directly powers the lock actuator within each door to turn on and off. In more advanced vehicles the body control module interacts with other systems to regulate the operation of the locks. If a door lock actuator goes bad the door will no longer unlock or lock and the door handle won't move. It may also be hard to close the door. This could cause the striker or latch inside to become jammed. Sometimes WD40 and gentle persuasion using a hammer can solve these issues however, you may have to replace them. Unjamming Modern car doors are controlled using a combination of mechanical as well as electrical components. Electric motors are also used, which can be controlled via a remote control or key. It can be a hassle to get where you want to go when one or more of these components fail. A faulty door lock actuator, for instance, can prevent a door from locking or unlocking when the key is turned on the inside of the vehicle. Luckily, it's fairly easy to fix the problem at home with some basic tools. The most frequent reason for a power door lock to stop working is that the actuator itself has failed. This can happen due to a variety of reasons, such as exposure to moisture over time, which leads to corrosion that disrupts the electrical connections. Dust and dirt also build up inside the actuator, putting additional strain on the mechanical portion. Physical damage to the actuator, for instance from someone trying to jimmy it, could also happen. If you think that the door lock actuator has failed, the first step is to see if the power is reaching the component. If it is, the issue may be elsewhere, like the fuse or relay that is blowing up or a defective controller module. If you've concluded that the actuator is defective then it's time to act. You will need tools like a screwdriver, wrench and perhaps the door panel to gain access to the actuator. You'll need to remove the wires and cables that are connected to the actuator. After you have removed the actuator that was in use, you'll need to replace it. Before you install the new actuator, you should re-connect all cables and wires and conduct a an extensive performance test to make sure that the door lock actuator is operating properly. Ensure that the new part is securely attached to the inside of the panel and that all clips, clamps and other parts are tight. If they're loose, they'll slide or break during operation. Keyless Entry Keyless entry is a practical way to unlock your car without having to put your keys into a lock cylinder. It works by allowing your vehicle to detect that your keys are in range and then sending an electronic signal to the key fob that matches that code. The fob then relays this to the door locks, which open and close accordingly. Keyless entries can be easier to use in cold weather, when you're wearing gloves, or when your hands are full. They can also be more secure than traditional locks because they do not require you to insert the key into the cylinder. The technology behind keyless entry systems is a bit complicated. This increases the chance of malfunctions if they occur. If you're experiencing issues with your door lock's power, consult your owner's manual for directions on resetting the system. Most of the time it will require disconnecting and reconnecting the battery or pressing a button near the door lock actuator. If the power locks are still not locking or unlocking, it's a good idea to check whether all doors are affected by the problem. A malfunctioning lock actuator could affect other systems within the car, including security and convenience features. A malfunctioning door lock actuator could not just stop you from opening the doors of your car but it could also make your vehicle vulnerable to theft. You can stop this from happening by using a lock de-icer or some WD-40 to scrub your door locks and handles. You've likely seen the police and AAA help people get out of locked cars. They usually have an instrument that resembles a thin strip of metal with a flat-hook at one end. These tools allow them to fish around in the door lock, typically between the knob on the door and the power lock actuator. Once they've found it they can pull the strip to pop the locking mechanism, and then open the door. Rekeying Rekeying is the process of changing a lock cylinder pin combination so that only the new keys can unlock it. It's less expensive and easier than replacing the lock. It also offers more security. It's one of the easiest locksmith jobs you can do at home. Most door locks are operated by keys. The key can be removed, and the key is moved to a new location within the lock, and the pins are changed, to ensure that only the new key works. This method is not able to repair a jammed or broken lock, however. This method can be used to rekey locks on car doors after a successful or unsuccessful break-in. It can also offer security for homeowners that have recently moved into their home. A power lock that is electric uses magnetic fields or motors that are generated by electric currents move the door handle. There are car door locks of reasons that the electric system could fail: the battery of the remote could be dead, wires could be damaged during an attempt to break in or by moisture, or they may have just stopped working for no reason. Look for any obvious indications that there is an issue. For example the sound of a buzzing or a rattling sound when the door is locked or not locked. There are a few ways that car owners can change the locks on their doors. The easiest method is to spray brake cleaner on the lock cylinder in order to get rid of dirt grime, rust, and grime. After five minutes, the key should be able to turn the lock. If the cylinder still doesn't move easily, it's time to be replaced. It may be difficult, depending on the model and make of the vehicle, to replace the lock without taking off the panel. Many prefer hiring a professional to rekey their locks as it is easier and more secure. Locksmiths are in a position to change the pins in the cylinder, so that the previous key will not work, and he or she will be able to reinstall the door handle.