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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 help. You can also spray linseed, or penetrating oils into the lock to lubricate and make it move freely. It is best to leave it to a certified, licensed locksmith. Here are four common car door lock problems that they'll fix for you: Power door locks don't work Power door locks provide excellent convenience, but they add a lot of more complicated mechanisms to the car. This also means that things could be faulty in many ways. If your door lock actuator doesn't work, it could be a serious problem that needs professional help. Before you call a mechanic try a few simple ways to troubleshoot. The first thing to look at is the battery on your key fob. If it's dead or nearly dead, that will obviously cause the locks not to work. This issue can be easily and cheaply resolved by replacing the battery. A faulty power actuator could be a issue. This is a frequent issue and is typically easy to diagnose. You can use a digital multimeter to check whether the actuator is receiving power or not. If it is but the actuator isn't responding to the door lock button and it's time to replace it. You can also clean the contacts on the door lock actuator. This is more complicated than just cleaning switches however it's usually enough to fix the issue. To accomplish this, you'll have to remove the actuator and take it apart. Unscrew the bolts that join the exterior section of lock body and remove the entire actuator face of the lock. After you have removed the actuator, be careful not harm the rod that connects it to the locking mechanism. Two bolts are usually found within the interior of the doors that contain the rod. Make sure you remove them as well. Once the rod has been disconnected, you can inspect the latch to ensure that it is properly aligned to the locking post. If not, you can insert a long, thin item between the lock and the door panel. This will release any locking mechanism, so you can unlock your door manually. The key fob isn't working. It can be quite frustrating if your car key fob doesn't work. Fortunately, there are some things you can try to get it to work again. First, try changing the battery. This is a simple procedure that could help you avoid the cost of replacing the entire fob. You can find a number of useful YouTube videos that will show you how to accomplish this in just a few simple steps. If this isn't working, you might require reprogramming your fob. This is possible in most cases, but it will require the assistance of an expert or your car's dealer. It can be difficult since newer vehicles come with security features that must be properly configured. The fob could also be damaged. The cause of damage can be many reasons, including water, physical force, or scratches on the circuit board. Oftentimes, this damage is not obvious and can only be detected by opening the fob and looking inside. You can check for these issues by looking at the fob for any signs of damage, including cracks on the circuit board, teeny electronic components that are not connected to the circuit board, or buttons that are not in good condition. repair car lock can also open up the fob and remove the battery for an inspection of the connections. Using a flathead screwdriver, you can usually pry open most fobs and gain access to the battery but some require more specialized tools or equipment only available at the dealership of your car. If the fob isn't working, you can try opening your car's doors using the physical key. If the physical key doesn't unlock your car, it might be time to contact an locksmith or go to a service centre for a more extensive repair. A damaged ignition cylinder could be the cause for your key fob not turning on or even starting your vehicle. This is a very costly fix and should be left to the experts. 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 your lock won't turn even when you try to insert the key, it is likely something jamming the mechanism. It could be as simple as the tumblers being blocked 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 like RP7 aerosol or graphite, into the keyway. Inject the key several times to release any debris stuck in the lock cylinder. This will also help to lubricate and protect the mechanism. You can also use brake cleaner to lubricate the parts of the lock cylinder and to remove any grime or rust that may be blocking the tumblers. You can purchase brake cleaning fluid at many home improvement stores or auto supply stores. Avoid using oil-based products like WD-40 since they can block the brake mechanism over time. The frame of the door may be shifting due to temperature and weather changes. This can cause the deadbolt or latch on the door to no longer align with the hole in the frame of the door. This issue can be easily fixed by tightening hinges and replacing damaged or stripped screws. Regularly checking the condition of your locks is a good idea to regularly check the condition of your locks. This will prevent them from becoming jammed or broken and help you avoid the time and expense of calling a locksmith for assistance. Don't hesitate to call your local mechanic who you trust if you find yourself with damaged or locked door lock. They'll be able quickly identify the issue and recommend the most effective solution. They'll be delighted to help you, whether you need an immediate fix for your power doors or are experiencing a more serious problem. The lock is stuck. Locks stuck in lock positions can be a gruelling, but often unavoidable part of owning a vehicle. If the lock is locked in an unlocked position, or doesn't turn at all, you're going be looking to fix it earlier rather than later, before your issue gets worse. There are some simple and quick fixes that will help you get out of this tense situation. Begin by examining the lock and determining what's blocking it from working correctly. A screw or a foreign object could have loosened. You can fix either of these problems by cleaning the lock or tightening the screws. You can also try to straighten or fix the ball in your lock, if they're deformed or are warped by prolonged use. Another common cause of stuck locks is that it's simply worn out and not responding to jiggling. If your lock isn't turning when you jiggle the knob, it's likely time to replace it and ensure that it's keyed correctly with your other doors. If your lock is truly stuck and no amount of wriggling, or spraying with fluid seems to fix the issue, you'll need to call an expert locksmith. They can remove a stuck lock without causing further damage to your door or vehicle. Sometimes, the lock cylinder may be damaged. This could happen if the lock has been forced open in the past, or when there was a problem with the lock that was not repaired or replaced. It's a good idea to inspect your cylinder frequently for signs of corrosion or wear and replace it if required. This will ensure that your vehicle is as secure as possible. If the lock cylinder is damaged or broken it could be a significant safety risk for you and your passengers. Make sure to repair any damaged cylinders as fast as you can.