How to Troubleshoot Door Lock Problems Before Calling a Mechanic
You can use keys or locks with a key opener to help. You can also spray penetrating oil or linseed oils into the lock to lubricate it and make it move freely.
However, it is not a project for the home-owner who isn't a professional and should be left to a licensed and certified locksmith. Here are four key lock issues that they can solve:
Power door locks don't work
Door locks with power are useful, but they also introduce more complicated mechanisms into the vehicle. This means that things could go wrong in many ways. If the door lock actuator isn't working, it could be a major issue that needs professional help. Before you call a mechanic try these troubleshooting techniques.
car door lock repair cost uk G28CarKeys to check is the battery on your key fob. If the battery is drained or near death, it will cause the locks to stop working. This issue is easily and cheaply resolved by replacing the battery.
A defective power actuator is another possible problem. This is a common issue that is generally simple to identify. You can use a digital multimeter to check if the actuator is getting power or not. If the power is there but the actuator doesn't respond when you press the button to lock the door, it might be time to replace the actuator.
It is also possible cleaning the contacts inside the door lock actuator. This is a little more involved than simply cleaning switches however it's usually enough to fix the issue. To accomplish this, you'll need to remove the actuator from the door panel and then 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.
After removing the actuator, be careful not harm the rod that connects it to the locking mechanism. Two bolts are usually located within the interior of the doors that contain the rod. Be sure to take them out as well. Once the rod is unplugged, you can open the door and examine the latch to make sure it's properly aligned with the locking post.
If it's not possible, you can utilize a thin, long object to put between the door panel and the lock. This should open any locking mechanism so you can unlock your door by hand.
The key fob isn't working
If your car key fob isn't working properly, it can be a frustrating experience. There are a few things you can try to make it work again. First, change the battery. This is a straightforward step that could help you avoid the expense of having to replace your fob completely. YouTube offers a variety of useful videos that guide you through this in just a few easy steps.
If this doesn't work, you may need to re-program your fob. This is possible in the majority of cases, however it will require the assistance of a professional or your vehicle's dealer. It's not easy because newer cars include security features that must be configured correctly.
Another possibility is that your fob has been damaged. Physical force, water, or scratches on the circuit may cause damage. Most of the time, the damage is not obvious and can only be identified by opening up the fob to inspect inside. You can identify any issues by inspecting the fob for signs of damage, such as cracks in the circuit board, teeny electronic components not fully attached to the circuit board, or loose buttons. You can also break the fob to remove the battery and take a closer look. It is possible to pry most fobs open with a flathead, but some require specialized tools and equipment available at the dealer.
You could also try using the physical key to open the doors of your car, if the fob isn't working. If your physical key cannot unlock your car, you might need to contact a locksmith for more serious repairs or visit an authorized service center.
If the key fob won't turn on or turn your car on, it may be due to a faulty ignition cylinder. This is usually an expensive fix and is recommended to leave it to a professional. If the key fob is working perfectly with the door locks, it should be able to start the car through its inductive backup system.
The lock is jammed.
If your lock does not turn at all despite trying to insert the key, there is likely to be something blocking the mechanism. It could be as simple as the tumblers are blocked by dirt or rust or it could be that the pins inside are stuck in an elevated position. The first thing to do is to grease the 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 has gotten stuck in the lock cylinder. This will also help to lubricate and protect the mechanism.
You can also employ brake cleaning fluid to lubricate the lock cylinder components, and get rid of any grime or rust that might be blocking the tumblers. You can buy brake cleaning fluid at most auto stores or home improvement stores. Make sure not to make use of oil-based products like WD-40 as they will continue to clog the mechanism over time.
Another common problem that can cause your door locks to jam is that the door frame has changed over time due to weather and temperature changes. This can cause the latch or deadbolt on the door to not align with the hole in the door frame. It is possible to solve this problem by tightening the hinges on the door and replacing any broken or stripped screws.
It is an excellent idea to examine the condition of your door locks regularly. This will help prevent them from becoming damaged or jammed, and will save you money and time by not needing to call a locksmith. If you find that you have a locked car or broken door lock, don't hesitate to call your local mechanic of choice for advice and assistance. They'll be able to identify the issue quickly and suggest the best course. They'll be delighted to assist you, no matter if you require an immediate fix for your power doors or having a more serious problem.
The lock is jammed.
Stuck locks are a frustrating and often inevitable part of owning a car. If your lock is locked but not in a secure position, or won't turn at all, you're likely be looking to fix it sooner rather than later before the problem gets worse. There are some quick and easy solutions that can aid you in getting out of this difficult situation.
Start by inspecting the lock and determining what's hindering it from functioning correctly. A screw or other foreign object may have become loose. You can fix one or both of these issues by cleaning the lock or tightening the screws. You can also attempt to straighten or fix the ball inside your lock if they're bent or have become warped from the use of the lock for a long time.
A worn-out lock could be the cause of a jammed lock. It isn't responsive to the jiggling. If your lock ceases to turn when you play with it, it's likely that you need to replace the lock and make sure that it's keyed correctly.
If your lock is stuck and nothing moving it around, spraying lubricant or changing the knob doesn't seem to work, you'll likely need to contact locksmith assistance. They have the expertise and tools to safely remove a lock that's stuck without causing any additional damage to your car or door.
Sometimes, the cylinder in the lock is broken. This can happen if the lock was forced open in the past, or in the event of a problem with the lock itself that was not repaired or replaced. You should check your cylinder for signs of corrosion and wear regularly, and replace the cylinder if needed. This will ensure that your vehicle is as safe 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. Therefore, make sure you have any damaged cylinders repaired as soon as you can.