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How to Troubleshoot Door Lock Problems Before Calling a Mechanic Utilizing a lock pick that is specialized or key opener may assist. You can also spray linseed, or penetrating oils into the lock in order to lubricate and make it move again freely. But, it's not a project for the casual homeowner, and it is best left to a licensed, certified locksmith. Here are four typical problems with car doors that locksmiths can fix for you: Power door locks don't work The power door locks are useful, but they also introduce more complex mechanisms into the car. This means that things could be faulty in various ways. If the door lock actuator isn't working it could be a serious issue that requires professional help to solve. Before calling in a mechanic try some easy troubleshooting strategies. car door lock repair need to check is the battery inside your key fob. If the battery is dying or is close to dying, it could cause the locks to not work. Replacing the battery is a simple and inexpensive solution to this problem. A faulty power actuator could be a problem. This is a very common issue and is typically simple to identify. You can utilize a digital multimeter see if the actuator is getting power or not. If there is power however the actuator does not respond when you hit the button to lock the door, it could be time to replace the actuator. You could also try cleaning the contacts inside the door lock actuator. This is more involved than cleaning the switch, but it's often enough to resolve the issue. To accomplish this, you'll have to remove the actuator and disassemble it. There are typically bolts holding the exterior section of the lock body together take them off and then remove the entire face of the lock actuator. After removing the actuator take care not to harm the rod that connects it to the locking mechanism. Two bolts are usually found inside the doors that hold the rod. Be sure to remove them as well. Once the rod has been removed, you are able to inspect the latch and ensure that it is aligned to the locking post. If not, you can insert a thin, long object between the lock and the door panel. This should open the locking mechanism so you can unlock the door by hand. The key fob won't work. It can be quite frustrating when your car key fob isn't working. There are several things you can try to make it work again. First, you can try changing the battery. This simple step could help you avoid needing to purchase a new fob. There are a lot of helpful YouTube videos that demonstrate how to do this in just a few easy steps. If this doesn't work, you may have to reprogram your fob. In the majority of cases, this can be handled by an expert. It can be difficult since newer vehicles have security features that must be configured correctly. 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 type of damage is typically not visible and can only be detected by opening the fob up to inspect inside. You can identify these issues by examining the fob for signs of damage, including cracks on the circuit board, teeny electronic components that aren't fully connected to the circuit board, or buttons that are loose. You can also remove the fob from the inside and remove the battery to get a closer look at the connections. It is possible to pry the fobs with a flathead, but some require specialized tools and equipment available at the dealership. You could also try using the physical key to open the doors of your car, if the fob isn't working. If the physical key isn't able to unlock your car, it could be time to contact an locksmith or go to a service centre for a more serious repair. A malfunctioning ignition cylinder may be the cause of your key fob not turning on or even starting your vehicle. This is usually a very expensive fix and is recommended to leave it to a professional. If the key fob is working with the door locks, it should be possible to start your vehicle using the inductive backup system. The lock is jammed If you're unable to turn the lock it is most likely that something is blocking the mechanism. It could be as simple as the tumblers being clogged by dirt or rust, or the pins may be stuck in a partially raised position. First, you must lubricate your lock mechanism. Spray a dry lubricant, such as RP7 aerosol or graphite, into the keyway. Insert the key a couple of times to release any debris that has accumulated in the lock cylinder. This will also help lubricate the mechanism and prevent future problems. You can also make use of brake cleaning fluid to lubricate lock cylinder parts and remove any rust or grime that may be blocking the tumblers. You can purchase brake cleaning fluid in most home improvement centers or at auto supply stores. Just be sure to not make use of oil-based products like WD-40 as they will keep clogging the mechanism over time. The frame of the door may have shifted due to temperature or weather changes. The deadbolt or latch of the door might no longer align properly with the hole on the frame. It is possible to fix this issue by simply tightening the hinges on the door and replacing any damaged or damaged screws. It is recommended to inspect the condition of your door locks on a regular basis. This will prevent them from becoming jammed or broken and help you avoid the time and money of calling a locksmith assistance. If you notice that you have a locked car or broken door lock, don't hesitate to call your trusted local mechanic for assistance and advice. They'll be able to identify the problem quickly and recommend the best solution. They'll be glad to assist you, no matter if you require an immediate fix to your power doors, or are having a more serious problem. The lock is jammed. Locks stuck in the middle can be quite frustrating however, they are an inevitable part of owning a vehicle. Whether the lock is locked but not in a secure position, or simply won't turn in any way, you're likely be looking to fix it sooner rather than later, before the problem gets worse. There are few quick and easy solutions that can get you out of this difficult situation. Begin by examining the lock to determine what is hindering it from functioning properly. A screw or foreign object could have become loose. You can fix one or both of these problems by cleaning the lock or tightening the screws. You can also try straightening or fixing the balls in your lock, if they're damaged or warped due to the use of the lock for a long time. Another reason for a locked that is stuck is that it's simply worn out and doesn't respond to the jiggling. If your lock isn't turning when you jiggle the knob, it's likely time to replace it. Also, ensure that it's properly keyed to your other doors. If your lock is truly stuck and no amount of wriggling or spraying with oil seems to resolve the issue, you'll need to call an expert locksmith. They can safely remove a locked that is stuck without causing further damage to your door or car. Sometimes, the cylinder of the lock is damaged. This could happen when the lock was opened in the past or the lock problem was not fixed. You should inspect your cylinder for signs of corrosion and wear frequently, and replace the cylinder if needed. This will ensure that your vehicle is as secure as possible. If the lock cylinder is damaged or cracked, it can pose a serious safety risk for passengers and you. Make sure you repair any damaged cylinders as quickly as you can.