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Car Door Locks Repair It doesn't matter if it's a lock that is manual that won't engage or a door handle that won't open, car doors can become stuck due to various reasons. The latch mechanism is usually the culprit. The good news is that most of these issues are easily addressed with a few simple techniques. Learn the best way to tackle it by reading this article! Check the Key Over time, the tumblers inside the door lock of your car may become blocked by dirt and rust. This can prevent the lock from opening or closing when you insert your key fob or turn the ignition key. This could cause the lock mechanism to become jammed. In this scenario, you may have to remove the handle to gain access to the lock mechanism. This is a straightforward DIY project that you can complete at home. There are many different reasons that your door lock may be stuck. It could be caused by an obstruction in the latch mechanism or an electrical issue with your key fob. Another possibility is that someone pushed the latch into a locked position, even though the door was opened. If you suspect that the issue is with your keys then take it in and out several times to see whether the tumblers are moving freely. This will reset the lock. You can also make use of a lock deicer to melt ice and make it easier for the door to open. If you still have a trouble, try spraying some multi-purpose lubricant into the mechanism of the door lock. Make sure that the lock is turned off prior to doing this, otherwise you could harm the latch mechanism even more. If the lock has been well-lubricated, you should be in a position to open it using your door handle. If not, there may be a problem with the latch mechanism and you'll have to replace it. If the latch is stuck and you cannot open it, you can employ a screwdriver and manually push it to the unlocked position. To accomplish this first, pull the interior and then the exterior handle of the car. Utilizing a screwdriver, apply pressure to the left leg of the latch until it can be pulled up to the final location that is unlocked. Repeat the process on the left leg of the latch to reset it. Once the latch has been unlocked, you can shut the door to test it. Check the Battery The car door lock works by sending electronic signals to the solenoid of each door. The solenoid then converts these signals into mechanical action. In this case, turning a steel bar that locks the doors. So, when your doors aren't locking or unlocking via the key fob, or not opening from outside or inside the car, it can be a frustrating experience. It is usually possible to fix the problem without having to take your vehicle to mechanic. The most common reason for why your car's door latch may not be engaging is the mechanism for locking your door might simply be jammed up. To test this, open your door and inspect the latch mechanism. You'll notice that it has “open” jaws at the other side that are designed to capture the anchor in the jamb of the door, and then turn into a closed position to fix the latch to the anchor. If the latch is shut and it doesn't turn into the correct position, it will not be able to connect with the anchor and shut the door. It is possible to fix this by applying WD-40 or another oil-lubricant on the inside of the door. Then, use a screwdriver to push the latch into the open position, so that you can begin to rotate it back into the proper position. It could be a good idea to have a friend or family member help to complete this task because it is extremely difficult to complete without breaking something. After you've lubricated the latch mechanism, it's crucial that you don't attempt to force the key in. If mobile car door lock repair attempt this, you're likely to damage the key inside the lock, and this could be expensive to repair. Alternatively, if you're having difficulty locking or unlocking your car with the key fob and you've tried all of the steps above, it's best to just call in an expert technician for more sophisticated diagnostics and repairs. They'll be able to determine the source of the issue and determine the best solution for you and your vehicle. Check the Wire A malfunctioning control module could be the cause of a non-working door lock button inside the car. These modules are responsible for the electrical locking and unlocking mechanisms. They connect to the latch and handle through a series of rods that allow them to move up and down. The system will cease to function properly if they get worn out. This is a common problem in older cars. There are other issues that can cause the door to lock and then become stuck in a locked position like grime or dirt collecting on the lock mechanism, a collision, or the door handle is jammed. Sometimes it is a simple lubrication that can fix the issue. A penetrating catalyst, also known as WD-40, can be purchased at most home improvement centers, auto supply stores, or on the internet and used to lubricate the door locks of your car through the keyhole. If you're unable to open the door with the button or key that's located on the inside of the car, it's an excellent idea to inspect the wiring and fuses to see if any issues could be causing the issue. If the wiring is fine, the problem will likely be with one of the solenoids for power locks or actuators. A professional locksmith can identify and fix any issues that arise with your car door locks. They can also install new features, like smart keys, that will make your vehicle more convenient in future. The process for removal of the interior panel and handle is different from vehicle to vehicle however the principle is the same. You'll need to locate and take off all fasteners that hold the handle plate or panel in place, then gently lift the panels without breaking them. Then, you'll be able to get access to the door latch as well as the lock actuator to see what's going on. Once you've gotten the panel removed, you can usually reach the latch that is locked by placing screws between the legs of the door latch and pushing it up until it is in its final unlocked position. Then, you can close the door to test whether the latch has been reset. Check the Actuator Like any electrical device that is electrically powered, the door lock actuator can develop a fault as time passes. This could be due to various reasons like corrosion resulting from exposure to water or other contaminants. In addition, the actuator may be damaged or misaligned due to mechanical stress or over force. If you are unable to unlock the doors with the key fob, or even manually activating the switch in the car, this is a typical sign that the actuator is failing. This could be a serious issue, since it indicates that someone has the ability to lock the car without having the correct keys. The first step in assessing the condition of the door lock actuator is to check whether it's receiving power from the central locking system or power windows control module. Then, you can test the function of the actuator by using a multimeter and looking for any unusual or irregular behavior. You can also examine the actuator to look for evidence of wear and tear and ensure that the linkage hasn't been obstructed. It is important to remember that the actuator isn't repairable and should be replaced in the event it becomes damaged. It is possible to do this with the help of a professional, but it is important to know that you'll probably need to remove the door panel to access the actuator. Before attempting to perform any tests on the door lock actuator, it's always recommended to put on your safety glasses and read the manual for the vehicle owner's guideline for recommended safety precautions. It's also a good idea to ensure that you are working on a stable surface and have access to the right socket. To test the actuator, locate the latch in the door and locate the gap or hole it is supposed to be caught in. After that, insert a key or pen into the gap. Then, push or flick the object towards the door using an upwards motion. If the door latch moves it's likely that the actuator is functioning properly and the issue lies with the remote or the key fob.