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How to Troubleshoot Door Lock Problems Before Calling a Mechanic Utilizing a lock pick that is specialized or a key opener could assist. You can spray linseed or penetrating oils into the lock to lubricate and make it move freely again. It is recommended to leave it to a certified and licensed locksmith. Here are four key lock problems that they can address: Power door locks don't work The power door locks are useful but they also introduce more complicated mechanisms into the car. That means that there are many possibilities for things to go wrong as well. If the door lock actuator isn't working it could be a serious issue that requires professional help to fix. Before calling for help from a professional it's a good idea to try some easy troubleshooting strategies. The first thing to look at is the battery on your key fob. If it's dead or almost dead, it will cause the locks to not function. Replacing the battery is a simple and inexpensive solution to this issue. Another possibility is that the power actuator itself might be faulty. This is a typical issue and is usually easy to diagnose. You can utilize a multimeter to determine whether the power is reaching or not. If it is, and the actuator still doesn't respond to the door lock button It's probably time to replace it. You can also clean the contacts on the door lock actuator. It's more complicated than cleaning a switch, however it often works. To do this, you'll have to remove the actuator from the door panel and take it apart. Unscrew the bolts holding the exterior part of the lock body together and then remove the entire lock actuator face. After you've removed your actuator, it is important to be cautious not to scratch the rod that connects it to the lock mechanism. Two bolts are usually located inside the doors that contain the rod. Make sure to remove them too. Once the rod is disconnected then you can open the door and check the latch to make sure it's aligned correctly with the locking post. If it's not possible, you can make use of a long, thin object to put between the lock and the door panel. This should open any locking mechanism so you can unlock your door manually. The key fob doesn't work If your car key fob isn't working, it could be an unpleasant experience. Fortunately, there are some options you can use to make it work again. First, change the battery. This simple action could save you from having to purchase a brand new fob. YouTube has a range of helpful videos that will guide you through this in a couple of easy steps. If this doesn't work, you may need to re-program your fob. This is possible in the majority of cases, but it requires the assistance of an expert or your car's dealer. It's not easy because many modern automobiles include security features that have to be properly configured. Your fob could also be damaged. It could be damaged due to various reasons, such as physical force, water or scratches on the circuit board. This damage is often not visible and can only be discovered by opening the fob up to examine the inside. You can determine if there are any issues by inspecting the fob. Check for indications of damage, such as cracks on the circuit board, or tiny electronic components that aren't fully attached to circuit board. You can also remove the fob from the inside and remove the battery for a closer look at the connections. You can pry most fobs open using a flathead, however some require specialized tools and equipment that are only available at the dealership. If the fob does not work, you can try opening your car's doors using the physical key. If your physical key doesn't unlock your car, you may require contacting locksmiths for more serious repairs or visit a service center. If the key fob won't turn on or start your car, it may be due to a faulty ignition cylinder. This is a costly fix and should be left to experts. If the key fob is working with the door locks, then it should still be possible to start the car using the inductive backup system. The lock is jammed. If your lock won't turn even when you try to insert the key, it's likely to be a problem with the mechanism. It could be as simple as the tumblers becoming clogged by rust or dirt, or the pins may be stuck in a partially raised position. The first thing to try is to grease the mechanism of the lock. Spray a dry lubricant such as RP7 or graphite spray in the keyway and then insert the key a few times to loosen any debris that is stuck in the lock cylinder. This will also help in lubricating the mechanism and help prevent future issues. You can also make use of brake cleaning fluid to help lubricate the parts of a lock cylinder and take off any grime or rust that could be obstructing the tumblers. You can purchase brake cleaning fluid at most home improvement centers or auto supply stores. Make sure not to make use of oil-based products like WD-40, as these will cause clogging of the mechanism over time. Another issue that can cause your door locks to jam is that the door frame has shifted over time due to temperature and weather fluctuations. This can cause the latch or deadbolt on the door to no longer align with the hole in the frame of the door. This problem can be easily resolved by tightening hinges and reinstalling broken or damaged screws. It is an excellent idea to examine the condition of your door locks on a regular basis. This will stop them from being damaged or jammed, which will save you time and money by not having to contact a locksmith. If you notice that you've locked your car or broken door lock, don't hesitate to call your local mechanic of choice for assistance and advice. They'll be able to identify the problem quickly and recommend the best option. Whether you are looking for an easy fix for your power doors or a more serious issue, they'll be happy to help! The lock is jammed. Stuck locks are a frustrating and often inevitable part of owning a car. You'll want to fix the problem as soon as you can, before it gets worse. There are couple of quick and simple solutions that will get you out of this bind. Start by inspecting the lock and determining what is blocking it from working effectively. Sometimes a foreign object can be caught in the lock, or a screw may have become loose. You can resolve either of these issues by cleaning the lock or tightening the screws. You can also attempt to straighten or fix the balls in your lock if they're bent or warped due to long-term use. A damaged lock could be the reason for a jammed lock. It won't respond to jiggling. If your lock isn't turning when you twist the knob, it's time to replace it and make sure it is properly keyed to your other doors. If your lock is truly stuck and no amount of wriggling or spraying lubricant seems to solve the issue, you'll likely have to call an expert locksmith for assistance. car door lock repairs have the skills and tools to safely get rid of the lock that is stuck without causing any additional damage to your car or door. In some cases, the lock cylinder itself may be damaged. This can occur when the lock was opened in the previous or the lock issue was not addressed. It is recommended to inspect your cylinder frequently for signs of wear or corrosion and replace it if necessary. This will ensure that your vehicle is as secure as it can be. And if the lock cylinder is cracked or damaged it could pose a huge safety risk for your passengers as well as you. Make sure you get any damaged cylinders fixed as soon as possible.