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How to Troubleshoot Door Lock Problems Before Calling a Mechanic You can also use keys or locks with a key opener to help. You can also spray linseed, or penetrating oils into the lock to lubricate it and allow it to move freely. However, it is not an undertaking for the casual homeowner and should be left to a licensed, certified locksmith. Here are four locks for cars problems that they can fix: Power door locks don't work Door locks with power offer an incredible convenience, but they also bring more complex mechanisms to the car. This means there are many possibilities for things to go wrong, too. If your door lock actuator isn't working, it can be a major issue that requires professional help to solve. But, before you call in a mechanic it's a good idea to try some simple troubleshooting techniques. Check the battery on your key fob. If the battery is drained or near death, it will cause the locks to stop working. Replacing the battery is a relatively affordable and simple solution to this problem. Another possibility is that the power actuator itself might be defective. This is a common issue that is generally simple to identify. You can use a multimeter to check whether the power is reaching or not. If there is power, but the actuator doesn't respond when you press the door lock button then it might be time to replace the actuator. You can also clean the contacts on the door lock actuator. This is a little more involved than simply cleaning the switch, but it's often enough to fix the issue. To do this, you'll have to remove the actuator and take it apart. Unscrew the bolts that join the exterior portion of the lock body and remove the entire actuator face of the lock. After you've removed your actuator, it is important to be careful not to scratch the rod that connects it to the lock mechanism. There are typically two additional bolts on the inside of the door that keep the rod in place, therefore, you must remove them as well. Once the rod is disconnected, you can open the door and check the latch to make sure it is properly aligned with the locking post. If it's not possible, you can make use of a long, thin object to insert between the lock and the door panel. This should release the locking mechanism so you can open the door manually. The key fob isn't working. If your car key fob isn't working, it can be an extremely frustrating experience. However, there are some things you can try to make it work again. First, change the battery. This is a simple step that could save you the expense of replacing your fob completely. There are a lot of helpful YouTube videos that show you how to do this in just a couple of easy steps. If this does not work, you might have to reprogram your fob. This can be done in the majority of cases, but it requires the assistance of a professional or your vehicle's dealer. It can be difficult, as newer cars have security features that have to be configured correctly. Another possibility is that your fob has been damaged. Physical force, water, or scratches on the circuit can cause damage. Most of the time, the damage isn't obvious and can only be detected by opening up the fob and looking inside. You can determine if there are any issues by examining the fob. Check for indications of damage, such as cracks on the circuit board or small electronic components that aren't fully connected to the circuit board. Try to remove the fob from the inside and take out the battery for a closer inspection of the connections. With a flathead screwdriver you can typically remove most fobs to gain access to the battery, however some require specialized tools or equipment that is only available at the dealership of your car. You could also try using the physical key to unlock your car's doors, if the fob isn't working. If the physical key can't unlock your car, it may be time to call an locksmith or go to an authorized service center for more extensive repair. If the key fob will not turn on or start your car It could be due to a malfunctioning ignition cylinder. This is a very costly fix and should be left to experts. If the key fob works fine with the door locks then it's possible to start the vehicle through the inductive backup system. The lock is jammed. If you are unable to turn your lock it is most likely that something is jamming the mechanism. It could be as simple as the tumblers becoming clogged by rust or dirt, or the pins are stuck in an partially raised position. The first step is to lubricate the lock mechanism. Spray a dry lubricant like RP7 aerosol or graphite into the keyway. The key should be inserted a couple of times to remove any debris stuck in the lock cylinder. This will also help to lubricate and protect the mechanism. You can also make use of brake cleaning fluid to help lubricate the parts of a lock cylinder and to remove any rust or grime that could be obstructing the tumblers. You can buy brake cleaning fluid from many auto supply or home improvement stores. It is recommended to avoid products that contain oil such as WD-40 because they can clog the brake mechanism over time. The door frame could be shifting due to temperature and weather changes. This could cause the deadbolt or latch on the door to no longer align properly with the hole in the frame of the door. This problem can be easily resolved by tightening hinges and reinstalling broken or damaged screws. Checking nissan lock repair G28CarKeys of your locks is an excellent idea to check the condition of your locks regularly. This will prevent them from becoming damaged or jammed and help you avoid the hassle and expense of calling a locksmith for assistance. If you find that you have a locked vehicle or a damaged door lock do not hesitate to contact your local mechanic who you trust to seek assistance and advice. They'll be able to quickly identify the issue and recommend the most effective method of action. They will be happy to assist you, no matter if you require a quick fix for your power doors or are experiencing a more serious issue. The lock is stuck. Stuck locks are a frustrating and often inevitable part of owning a vehicle. You'll want to fix the problem as soon as you can, before it gets worse. Fortunately, there are a few quick and easy solutions that can to get out of this bind. Begin by examining the lock to determine what is hindering it from functioning correctly. Sometimes, a foreign object could get caught in the lock, or a screw can become loose. You can fix either of these problems by cleaning the lock or tightening the screws. You can also straighten or repair the ball bearings of your lock if they are warped or deformed due to repeated use. A worn-out lock could be the cause of a locked that is jammed. It isn't responsive to moving the knob. If your lock ceases to turn when you move it around, it's likely that you need to replace the lock and ensure that it's properly keyed. If your lock is truly stuck, and no amount of wriggling, or spraying with fluid seems to fix the problem, you'll probably have to call an expert locksmith. They can remove a lock stuck without causing further damage to your door or car. In some instances the lock's cylinder may be damaged. This can happen if the lock has been forced to open in the past or in the event of an issue with the lock itself that was not repaired or replaced. You should inspect your cylinder for signs of corrosion and wear frequently, and replace the cylinder if necessary. This will ensure that your vehicle is as secure as it can be. If the lock cylinder is damaged or cracked, it can be an extremely risk to the safety of your passengers and for you. Therefore, make sure you have any damaged cylinders repaired in the earliest time possible.