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How to Troubleshoot Door Lock Problems Before Calling a Mechanic Using a specialized lock pick or a key opener could aid. You can also squirt penetrating oil or linseed oil in the lock to lubricate it and get it moving freely. It is best to delegate it to a professional, licensed locksmith who is licensed, certified and certified. 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. This means that things could fail in various ways. If the door lock actuator isn't working, it can be a major issue that requires expert assistance to fix. But, before you call for help from a professional, it's worth trying some simple troubleshooting techniques. The first thing to look at is the battery in your key fob. If it's not working or is nearly dead, that will obviously result in the locks not to work. This issue is easily and cheaply resolved by replacing the battery. Another potential problem is that the power actuator itself may be defective. This is a frequent issue and is usually easy to identify. You can make use of a digital multimeter to see if the actuator is getting power or not. If it is but the actuator doesn't respond to the door lock button It's probably time to replace it. You could also try to clean the contacts of the door lock actuator. It's a little more difficult than cleaning a switch, but often works. To accomplish this, you'll need to remove the actuator and take it apart. Unscrew the bolts that hold the exterior portion of the lock body together, and then remove the entire face of the lock actuator. Once you've removed the actuator, it's important to be cautious not to break the rod that connects it to the lock mechanism. Two bolts are usually located in the interior of the doors that hold the rod. Be sure to remove them too. After the rod has been removed it is possible to open the door and examine the latch to ensure it's properly aligned with the locking post. If it's not, you can use a long, thin object to put between the lock and the door panel. This should open the locking mechanism, and you can unlock the door manually. The key fob doesn't work It can be quite frustrating if your car key fob isn't working. However, there are some things you can try to get it to work again. First, you can try changing the battery. This is a simple procedure that could save you the cost of replacing your device completely. YouTube has a number helpful videos that will show you how to accomplish this in just a few 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 will require the assistance of an expert or your car's dealer. It's not easy since newer vehicles have security features that have to be properly configured. Another possibility is that your fob is damaged. The cause of damage can be various reasons, such as physical force, water, or scratches on the circuit board. Most of the time, the damage isn't evident and can only be diagnosed by opening up the fob to look inside. You can identify any issues by inspecting the fob for indications of damage, like cracks in the circuit board, teeny electronic components that are not connected to the circuit board, or buttons that are not in good condition. You can also break the fob to take out the battery and take a more detailed look. With a flathead screwdriver you can typically break open most fobs and gain access to the battery however, some require more advanced tools or equipment only available at your car's dealership. You could also try using the physical key to unlock your car doors, if the fob isn't working. If the physical key isn't able to unlock your car, it may be time to contact an expert locksmith or visit an authorized service center for more extensive repair. A malfunctioning ignition cylinder may be the reason for your key fob not turning on or starting your vehicle. This is usually an expensive fix, and it's best left to a professional. If the key fob works fine with the door locks, then it's possible to start your vehicle using the inductive backup system. The lock is jammed If you cannot turn your lock at all it is likely that something is jamming 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, lubricate your lock mechanism. Spray a dry lubricant like RP7 or graphite spray in the keyway, and then insert the key several times to remove any debris that is stuck in the lock cylinder. This will also lubricate and protect the mechanism. You can also make use of brake cleaner to lubricate the parts of the lock cylinder and to remove any rust and grime that may be blocking the tumblers. You can purchase brake cleaning fluid from many home improvement stores or at auto supply stores. Make sure not to make use of products that contain oil, such as WD-40, as these will keep clogging the mechanism over time. car locks repair near me g28carkeys.co.uk that can cause the door locks to get jammed is that the frame of the door has moved in time due to weather and temperature changes. The deadbolt or latch of the door may no longer align properly with the hole in the frame. This issue can be easily fixed by tightening hinges, and replacing broken or stripped screws. Monitoring the condition of your locks is a good idea to regularly check the condition of your locks. This will prevent them from getting broken or jammed, and will save you the time and expense of calling a locksmith for assistance. Don't hesitate to call your trusted local mechanic in the event that you encounter damaged or locked door lock. They'll be able to identify the issue quickly and recommend the best solution. They'll be delighted to help you, whether you require an immediate fix for your power doors or are experiencing a more significant issue. The lock is stuck. Locks that are stuck are a frustrating, but often unavoidable part of owning a car. If the lock is locked in an unlocked position, or won't turn in any way, you're likely be looking to fix it earlier rather than later, before the problem gets worse. There are couple of quick and simple fixes that can help to get out of this difficult situation. Start by examining the lock to see what is preventing its operation. Sometimes, a foreign object may be trapped in the lock, or a screw has become loose. If either of these situations is the case, you might be able to resolve the issue by cleaning out the lock or tightening the screw. You can also try straightening or fixing the ball inside your lock if they're bent or have become warped from prolonged use. A worn-out lock may also be the cause of a locked that is jammed. It isn't responsive to the jiggling. If your lock isn't turning when you turn the knob, it's likely time to replace it. Also ensure that it's keyed correctly with your other doors. If your lock is stuck and no amount of wriggling or spraying with oil seems to resolve the issue, you'll likely need to contact a professional locksmith for help. They have the skills and tools to safely get rid of the lock that is stuck without causing any additional damage to your door or car. In some instances, the lock cylinder itself is actually broken. This could happen if the lock was forced open in the past, or in the event of an issue with the lock that was not repaired or replaced. It is recommended to check your cylinder for signs of corrosion and wear regularly and replace the cylinder when necessary. This will ensure that your vehicle is as safe as possible. And if the lock cylinder is damaged or cracked, it can be a huge safety risk for your passengers as well as you. So be sure to have any damaged cylinders fixed in the earliest time possible.