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How to Repair an Ignition Lock Cylinder

If your car's keys will not turn or turn, it's time to replace the ignition lock cylinder. The lock cylinder is a mechanical tumbler that your key can slide into, as opposed to the switch, which is an electrical component of the ignition system.

Over time, these "wafer" tumblers will wear out or break. WD-40 and graphite may temporarily fix the issue, but replacing the tumblers is the only option.

Eliminating the Steering Column

Most modern cars no longer use a steering column lock cylinder. Instead, they utilize keys that can be used to start the vehicle by pressing and turning a switch on the dash panel. This newer system works much better and is simpler than the older lock-cylinder method. However, there are a few older vehicles that utilize the traditional ignition lock cylinder. If this component is damaged, it might be necessary to replace it to allow the car to start. This is not an activity for the novice and should be left to professionals.

Remove the trim panels that cover the lower and upper steering columns with the help of a screwdriver. This will allow access to the area around the steering column.

There is an Allen head bolt on the side of the steering wheel that is closest to the driver. This bolt keeps the signal unit and wiper in position. Take this bolt off and set it away. Based on the year of your car, it could have three or four small screws with flat heads that hold the plastic cover on the turn signal switch in place. Remove these screws and set them aside.

To access the lock cylinder you will have to remove the wiper/signal unit. This will require the use of a special tool or you can ghetto do it with an object of metal such as a cold chisel. Locksmiths are also capable of using a shear bolt removal kit.

If the key can't be placed into the ignition switch, it's likely that the lock cylinder is stuck. Try inserting the key, then moving it to the ACC position to press the lock cylinder pin, or you can contact a locksmith for help.

A locksmith can make use of a shear cylinder removal tool or they can cut the pin from the lock cylinder with a torch and then shave it to remove it from the assembly. They can re-key the ignition cylinder to ensure it matches the keys you already have. This will save you money on an entirely new ignition.

Replacing the Ignition Cylinder

The ignition Cylinder is the cylindrical mechanical part that houses and secures your car's key. The cylinder "reads" the anti-theft code and then fits your key to turn on or off your car. The cylinder is susceptible to wear and tear over time. It may also become bent or broken. If this occurs, the cylinder will require replacement in order for your vehicle to begin.

Symptoms of a broken or worn cylinder can be seen in problems when turning your key or with the ignition switch not advancing into the ACC or RUN position, or with a warning light appearing on the dashboard. If you have an extra key, use it in the lock. You may be able use graphite or WD-40 to tweak the cylinder however, this is only for a short period of period of time.

If you have a brand new key, replace the ignition cylinder, and follow the instructions above to install it. Install the new ignition cylinder making sure it's securely placed into the steering column tube flange, and aligned with the keyway on the shroud. Refer to the car's manual or an expert to make sure that the cylinder is properly aligned.

After the cylinder has been installed, turn the key to the ACC or RUN position. Listen for the click to confirm that the ignition switch has been fully seated into the cylinder. If your vehicle has an anti-theft device, you will have to follow the anti-theft relearning procedure for the new ignition cylinder to program it to your key.

Some experts suggest replacing the ignition cylinder since it is usually required to deactivate the airbag in the steering column to gain access to the cylinder. In addition, the replacement process is likely to involve removal and replacement of the ignition and steering wheel covers. This is why it's best to leave the job to a mechanic with experience. They'll be able to remove the cover for your steering wheel and install a brand new ignition locking cylinder in your car. They'll also ensure the ignition lock cylinder is programmed using your key and is working correctly when you insert it.

Installing the Ignition Cylinder

While ignition lock cylinders are becoming less essential in modern vehicles because of advancements in remote start and push-tostart systems, they are still common on older cars. If you have trouble starting your car ignition key replacement or the ignition switch is not working it could be due to an issue with your ignition cylinder. It's easy to fix your car ignition barrel replacement near me's issue by replacing the cylinder of the ignition lock.

The ignition cylinder is the mechanical portion of the system that slides into your car's ignition switch and sends power to the rest of the engine. The ignition switch and the ignition cylinder are separate components. The switch is an electrical device that connects to your car's computer system to transmit signals to turn on the engine when you turn the ignition key.

The pins on cylinders for ignition locks move up and down, permitting your key to slide and rotate inside the cylinder. Every movement of the key and cylinder creates friction that keeps the key in its place. However, over time the wafer tumblers will wear out. When the tumblers are worn down, the key of your car will not be able to slide into or rotate the cylinder.

The first sign of trouble is usually a worn ignition coil that is found in the majority of automobiles. The key may also become stuck and difficult to insert into or remove from the ignition lock cylinder. These are all indications that your ignition lock cylinder should be replaced as soon as it is possible.

It's not a big deal to replace your ignition cylinder, however, you should only do it if are confident that you will follow the correct procedure for your vehicle's specific make and model. You can complete the job quickly and efficiently with a complete repair ignition lock cylinder (go now) guide for your vehicle. If you're not confident in installing the ignition cylinder on your own then let one of our ASE certified mobile mechanics do the repair for you at a time and in a location that's convenient to you.

Test the Ignition Cylinder

The ignition lock Cylinder is a mechanical piece that is fitted to your key and allows it to rotate and start your car. It's located inside the ignition switch which is locked to the ignition and reads anti-theft coding to permit key turning. The cylinder that locks the ignition is susceptible to wear and can eventually fail, leading to problems with the power supply to your vehicle or making it difficult to remove and insert the key.

The most obvious indications that your car's lock-cylinder is in danger of failing is difficulty starting it or finding locations where the key becomes stuck when you turn it. These issues usually indicate that the cylinder has worn out and requires replacement. In some instances, you might even notice an alert light on your dashboard that signals an imminent failure.

As the cylinder age, it may be damaged by corrosion or wear and tear. This can cause the pins and wafer tumblers to wear down and break or damage and stop the ignition of your car ignition replacement from working. In some cases the ignition lock repair services may work if you jostle it in different directions however this is a warning sign that something could be wrong.

You can test the cylinder of your ignition to see if it's worn out or if the key has been bent or damaged. If you own a multimeter, you could back-probe the module's red connection and the ignition coil's battery terminal to see if there is the voltage. If you are unable to detect any voltage or a switch, the module will most likely need to be replaced.

It is recommended to hire a professional mechanic to replace the ignition cylinder, as it can cost anywhere between $200 and $300. The process is complicated due to the fact that you could have to take other parts to access the cylinder for ignition, such as the steering column. Based on the vehicle you have the procedure for replacing it may be accompanied by the need to disable the airbag system, and you'll need to reprogramme your key to work with the new cylinder. This is typically done at the dealership however, you can learn how to do it yourself using the proper tools and instructions.