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Auto Door Locks Repair – Fixing a Power Door Lock Actuator Over time, a door lock's power will begin to wear out. Electrical problems, such as blowing fuses or damaged wiring, may be a problem. Sometimes, worn bushings can cause the door to operate slowly or erratically. Try pushing and pulling the handle of the door while watching the mechanism to see if it moves between components. Unlocking Door locks are a necessity that is expected in modern vehicles but they can also malfunction. The problem can be caused by an unresponsive battery or motor, a worn-out electric or actuator, corroded wires or the simple fact that the door was left open. Depending on the model of car, the doors can be locked or unlocked in a variety of ways. Some have a keyhole and door handle which requires a physical key to be used, while others utilize a button inside the door or a remote control keyless entry or some combination of these. If you find that a door lock doesn't respond, it's likely the actuator for the power door lock. It's not uncommon for them to break down after a decade of daily use and then stop working. You can usually identify the issue quickly using a digital multimeter. If it is you will hear the whir of the gears and a quiet clunk as the latch bolt completes its cycle. If the power locks don't function at all it is possible to take the door panel off and test the solenoid on the lock using an alligator clip or other method. In some models, the door lock switch directly triggers the lock actuator in each of the doors to turn on and off. In more advanced vehicles, the body control module interacts with other systems to regulate the functions of the locks. If a door lock is faulty, the door handle won't move, and the door won't lock or unlock. It could also be difficult to close the door and could cause the latch or striker inside to become jammed. Sometimes WD40 and gentle persuasion using a hammer can solve these issues however, you may need to replace them. Unjamming Modern car doors make use of the combination of electrical, mechanical and key-operated parts to open and close. Electric motors are also used, which can be controlled by a remote or key. It can be a challenge to get where you'd like to go if one or more of these components malfunction. A malfunctioning door lock actuator, for example could stop the door from locking or unlocking when the key is turned inside the car. Fortunately, it's quite simple to fix the issue at home with a few simple tools. The most common reason for a power door lock to stop working is that the actuator itself has failed. It can happen due to a variety of reasons, like exposure to moisture, which over time causes corrosion, which disrupts the electrical connection. Dust and dirt can be a problem for the actuator, putting an extra strain on the mechanical portion. Physical damage to the actuator, for instance from people trying to jig it, could also happen. If you suspect that your door lock actuator may be defective the first thing you should do is check if power is actually reaching the actuator. If it is, the problem is likely elsewhere, such as a blown fuse or relay or a damaged control module. It's time to act after you've found that the actuator is defective. You will need tools like a screwdriver, wrench and possibly the door panel to gain access to the actuator. You'll need to take out the cables and wires attached to the actuator. After removing the actuator that was in use, you'll need to replace it. Before installing the new part it is recommended to reconnect all the cables and wires and conduct a a thorough performance test to make sure that the door lock actuator is functioning properly. Ensure that the new part has been securely attached to the inner panel and ensure that all clamps, clips and other parts are securely fastened. If they're loose, they may be rattled or fall off during operation. Keyless Entry The convenience of keyless entry lets you to unlock your car without the need to insert your car keys into a lock cylinder. The vehicle recognizes when your keys are in range and sends a radio signal that matches the code to the key fob. The fob then relays the signal to the door locks, which then unlock or close in accordance with the code. Keyless entry is more convenient to use in cold weather, when you're wearing gloves or your hands are full. They are also more secure than traditional locks, as they don't require the key to be inserted into the cylinder. The technology behind keyless entry systems is complicated. This increases the chance of malfunctions if they do occur. Refer to the owner's manual for directions on how to reset your door lock's power. This typically involves disconnecting and reconnecting the battery or pressing the button near the door lock actuator. If the power locks still not locking or unlocking, it's an excellent idea to ensure that all doors are affected by the problem. A malfunctioning lock actuator could cause other issues, such as security and convenience features. A malfunctioning door lock actuator could not only make it impossible to open the doors of your car and leave the vehicle open to theft. You can prevent this by using a lock-deicer or some WD-40 to clean your door handles and locks. You've likely seen the police or AAA assist people in getting out of locked vehicles. They're usually equipped with an instrument that resembles thin metal with a flat-hook at one end. These tools allow them to fish around in the door lock, which is usually between the knob on the door and the power-lock actuator. Once they've located it they can pull the strip in order to break the locking mechanism and open the door. Rekeying Rekeying is the process of changing the pin combination of a lock to ensure that only a new key is able to open it. It's much cheaper and less hassle than replacing the lock and also provides a level of security that a replacement might not offer. It's also one of the easiest home locksmith jobs to perform. Most door locks require keys to operate. The key can be removed and the cylinder moved to a new location within the lock. The pins can be changed so that only the key will work. This method doesn't fix an unlocked lock that is jammed or damaged. It can be used to rekey car door locks after an attempted or successful burglary for instance, and it can also provide security for homeowners who recently moved into a new home. A power lock that is electric uses magnetic fields or motors that are activated by electric currents to move the door handle. The electric system can fail due to a variety of reasons: the remote's battery could be damaged, the wiring may have been damaged by water or a burglary, or it could just have stopped working without apparent cause. The best way to diagnose a problem with an electric power lock is to check for any obvious indications of trouble, like the sound of a rattling or buzzing when the door is locked or not locked. There are several ways that a car owner can rekey their door locks. The most straightforward method is spraying brake cleaner on the lock cylinder in order to get rid of dirt grime, rust, and grime. After five minutes, the key should easily turn the lock. If car door lock repair doesn't turn smoothly, it must be replaced. Depending on the make and model of the vehicle, it could be difficult to change the lock cylinder without taking off the door panel. Many people prefer to hire a professional to rekey their locks, because it's easier and safer. Locksmiths are in a position to change the pins on the cylinder to ensure that the previous key will not work and can then reinstall the door handle.