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How to Repair Car Lock Actuator

If your door lock's power fails to respond when you press the lock button on your key fob, it could be an indication of a malfunctioning actuator. In this case, you can usually fix it by lubricating the device.

It is best to talk to a professional auto locksmith.

Unlocking the Door

If you've locked yourself out of your car, it could be a frustrating experience. However, there are some things you can do to get inside. If you have roadside assistance from AAA or another company they will send a locksmith to you, but you might also be able gain access to your vehicle with DIY tools and methods. auto door locks repair will be most effective on vehicles with power door locks that can be opened by pressing the lock button on the armrest, or using a keychain.

To make this method work, you will need a wire hanger, straightened out and turned into a hook on one end, or some other long, stiff tool that will not break under pressure. It must be sufficient in length to reach the door handle or the lock button, and should have a small hook on one end to hold the latch inside the door. It will also require pliers and long tweezers in order to adjust the hanger.

First, you'll need to create an opening between the window frame and the body. Insert the rod or hook of the hanger into the gap you made and then try to slide it or press the door lock flipper button or switch using it. The door should open with a little luck.

If your car is equipped with a digital lock, you'll need to find a way to unlock the door from the inside without knowing the code. You can pull a lever on the inside of the door to unlock it, but first you need to figure out how to access it. You can use the Slim Jim or another long tool to reach the lever.

In some cases there are instances when none of the above methods will work, and you'll have to call a locksmith for help. Ask them what they'll charge you prior to their arrival.

Unjamming Keyhole

If the lock is jammed because the key was not fully engaged then gently push the pin tumblers back into their proper alignment inside the internal cylinder. This may fix the problem; however, pushing too hard could cause further damage, so it is best to contact locksmiths for this problem.

Keep the lock lubricated with graphite spray or a silicone-based product. They are superior to oil-based products, such as WD-40 which can attract dirt and debris. Apply the product to the lock, then insert and turn the key several times, and then move the key around in the hole to distribute the lubricant throughout the mechanism.

Powdered graphite is yet another product you should have in your toolbox. It functions as a dry oil lubricant. It encourages smooth movement between metal surfaces, without getting rid of grime or dirt, and is safe to use on locks with internal pin tumblers. Try rub a few grains the powder into the lock to help lubricate it and remove any gunk that might have built up in the keyhole.

It is also important to replace the key regularly to keep it in good condition and prevent it from becoming stuck over time. This will also help it last longer and work more efficiently.

If the key still isn't turning freely or is jammed easily, the key itself may be worn out and require replacement or a key recut. You can use a file to smooth out the sharp edges of the key teeth to avoid any further sticking, but this is a job for a professional.

If the above suggestions don't work If you are unable to solve the problem, try to remove the key stuck on by removing strike plate from door frame. You'll need to file down the lower lip to create a larger opening into which the key can be put in. If this isn't successful, it's best to call an expert locksmith who has the tools required to take apart a locked car door and solve the issue. They'll have the tools to disengage the locking mechanisms and be able determine what is causing the lock to not function correctly.

Unfreezing the Lock

Frozen locks are common during the Polar Vortex, which brings cold temperatures and winter storms. The good news is that there are a few simple tricks to unfreezing the lock so you can open your car. First, try to chip away any large chunks of ice which block your lock's cylinder. It is important to use care in this process to ensure that you don't damage your car door or lock cylinder.


Pouring boiling water over the lock is a common technique. This may work at first however it could harm the lock in the end and refreeze any moisture left in the lock cylinder. Pouring hot water on your lock can cause thermal shock that could cut off modern electronics in the lock cylinder as well as the door sensor. You can also damage the car lock or door by using sharp or metal objects.

An alternative is to heat the key with matches or a lighter and then insert it into the lock. The key can be heated using a hairdryer or lighter to melt the ice that is covering the lock cylinder. This will make it easier to turn the key to unlock the door. If you're unable to insert the key in completely into the lock, warm it again and try again. Using commercial de-icer on your key or spraying the lock with oil can help get rid of any ice in the lock.

Another idea is to park your car in the sun and let the sunlight help thaw the lock. It might take a while, but this is an inexpensive and easy solution to a lock that is frozen. It is a good idea to keep an open container of de-icer available for times of need. The chemicals will break down the ice and stop further freezing.

Replace the Actuator

The actuator is a tiny motor that powers the lock via a series of gears. It can be controlled by a key in the door or remote control, keyless entry or a central control. It uses a very small amount of power and can get worn out over time. When it does wear out it will produce a buzzing sound or machine gun noise that will not stop until the actuator is replaced.

Replacing the actuator can be an easy task for the majority of people using a basic tool and a little patience. The steps might differ between different cars as the manufacturers put the components together differently, but the basic procedure is the same. First remove the battery to avoid electrical issues from occurring during the repair. After that, remove the door panel from the vehicle. Depending on the car you may also need to remove the window and/or regulator to access the actuator.

After removing the panel you can see the actuator that is attached to the door latch. The bolts holding the actuator in place can be undone with a screwdriver. The actuator can then be removed from its mount. After the new one is installed, carefully reconnect the connector to the wiring harness. Once it is connected to the wiring harness, connect any rods or cables that connect to the latch and actuator and put the door panel back into its place.

After the trim panel is reinstalled, it is recommended to replace any clips that fell off during the removal. Check every screw to ensure they are tightened properly. This will prevent any looseness or rattle. Reconnect all wires that have been disconnected and test the actuator to confirm it is working. If it does, install the door panel as well as the trim piece, then connect the battery and perform another test to ensure that the locks are functioning as they should be. If your doors aren't working in the way they should then it's time to replace the actuator.

Homepage: https://www.g28carkeys.co.uk/car-door-lock-repair-near-me/