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Car Door Locks Repair Doors to cars can get stuck for many reasons. The latch mechanism is typically the culprit. The good news is that the majority of these issues can be easily fixed by using just a few easy techniques. Learn the best way to tackle it by reading on! Check the Key Over time, the tumblers within your car door lock may become blocked by dirt and rust. This could stop the lock from opening or closing when you insert your key fob or turn the ignition key. This could cause the lock mechanism to jam. In this case, you may have to take off the handle in order to get access to the lock mechanism. This is a simple DIY project that can be completed at home. There are a myriad of reasons your door latch may be stuck. It could be due to a physical obstruction in the mechanism of the latch or an electrical issue with your key fob or door lock solenoid. Someone might have knocked the latch to a locked position while the door was still open. If the issue is with your key, try putting it in and out of the lock several times to determine whether the tumblers move freely. This will usually reset the lock. You could also try using a lock de-icer to melt the ice and allow you to open the door. If you're still having trouble, spray some multi-purpose lubricant on the door lock mechanism. Make sure that the lock is turned off prior to making this move, otherwise you could cause further damage to the latch mechanism. You should be able open the lock with the door handle if it's well-lubricated. If you can't, then there's an issue with the latch mechanism itself and you may need to replace it. If a latch is locked, you can make use of a screwdriver to manually push it to the position that is locked. To do this first, pull the interior, then the exterior handle of the car. Make use of a screwdriver to apply pressure to the left side of latch so 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. Close the door once the latch has been released to test the latch. Check the Battery Car door locks work by transmitting electronic signals from an electronic key fob to the solenoid in every door, which then converts the signals into a physical action, in this case turning a steel rod that locks the door. So, if your doors aren't locking or unlocking with the key fob, or opening from the outside or inside the car, it could be frustrating. You can usually fix the issue without taking your vehicle to an expert mechanic. The door lock mechanism could be blocked. To determine door lock car repair , open up your door and inspect the latch mechanism. It should have “open” jaws at the end that are designed for the anchor to be secured in the door jamb. The latch will then turn into a closed state to secure it to the anchor. If the latch is closed and doesn't rotate to the right position, it will not be able to connect with the anchor and shut the door. To fix this, you'll need tolubricate the latch mechanism by applying a kind of oil lubricant (like WD-40) to the inside of your door. Utilizing a screwdriver, you can push the latch into the open position. Then, rotate it back into its proper orientation. This process can be challenging to complete without breaking something. You may want to ask someone in your family or a trusted someone you trust to assist you. It's important to not push the key into the lock after having lubricated it. If you attempt this, you'll likely break the key off in the lock, and this can be an expensive repair. If you're having problems locking or unlocking your car using the key fob and you've tried the steps listed above then it is recommended to call a professional technician who will provide more advanced diagnostics and repairs. They'll be able to determine the cause of the issue and determine the best solution for you and your vehicle. Check the Wiring A bad control module could be the reason behind an inoperative door lock inside the car. These modules are the brains that drive the electric locking and unlocking mechanisms. They are connected to the latch and handle via a series rods that allow them to move upwards and downwards. The system will stop functioning properly when they wear out. This is a common problem in older cars. Other problems can cause the door lock and then get stuck in a locked state like dirt or grime building up on the mechanism of the lock or a handle that is jammed. A simple lubrication solution can solve the problem. You can purchase WD-40, or a penetrating catalyst in hardware stores, auto supply shops or even online. Use it to lubricate your car door locks through the keyhole. Examine the fuses and wiring for any problems that may be present if you are unable to open the door using the key or button in the car. If the wiring is good the issue is likely to be with the solenoids of the power lock and actuators. A professional locksmith can identify and repair any problems with the door locks of your car. They can also help you install any new features such as smart keys that can make your car more convenient in the future. The method of taking off the interior panel and handle differs from vehicle to car however the principle is the same. You'll generally need to find and take off all fasteners that hold the handle plate or panel in place, and then slowly lift the panels without breaking them. You can then access the door latch and lock actuator to check what's happening. After you have removed the panel, you can reach the latch that is locked using a screwdriver. Position it between the legs of the door latch and push it up to its final unlocked position. Close the door to see whether the latch has been reset. Check the Actuator The door lock actuator like any electrical device can fail over time. This can be due to a variety of causes, such as corrosion from exposure to water or other contaminants. The actuator could also be damaged or misaligned as a result of excessive force or mechanical stress. When you can't unlock the doors using the key fob, or even manually activating the switch inside the car, this is a common sign that the actuator is not working. This is a serious problem since it implies that one could lock the vehicle without having the correct keys. To check the condition of a door lock actuator first, you need to determine whether it is receiving power from either the central locking system or the power windows control module. You can then test the actuator using an electronic multimeter to look for any irregular or unsteady behavior. You can also inspect the actuator to identify signs of wear and damage, and make sure that the linkage isn't blocked. The actuator cannot be repaired and should be replaced if it breaks. It is possible to do this with the help of a professional, but you should know that you will probably require the removal of the door to access the actuator. Before performing any tests on the door lock actuator, it's always recommended to wear your safety glasses and read the vehicle owner's manual for recommended safety precautions. It's important to make sure that you're working on a solid surface and have access to the right socket. To test the actuator, you will need to find the latch on the front door as well as the gap or hole it is supposed to catch into. Once you've found it then, place a pen or key into the gap. Then push or flick the object towards the door with an upward-facing motion. If the door latch moves then the actuator could be functioning properly and the issue lies with the remote or key fob.