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How to Repair an Ignition Lock Cylinder

If your car ignition barrel replacement's key isn't turning and it's time to replace the cylinder that controls the ignition. Contrary to the switch which is the electrical portion of the ignition system, which sends energy to the engine of your car The lock cylinder is the mechanical tumbler that your key is able to slide into.

Over time, these "wafer" tumblers will wear out or break. WD-40 and graphite can temporarily resolve the issue however, replacing the tumblers is the only solution.

Removing the steering column

Modern cars do not have steering column locks. Instead, they utilize a key that is used to start the car by pressing and turning a switch on the dash panel. This newer method is simpler and more effective than the older lock cylinder method. However, there are older vehicles that use the traditional ignition lock cylinder. If this part fails, you might require replacing it to be able to start the vehicle. This isn't a task for the beginner and is best left to an experienced professional.

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

On the side of the column that is closest to the driver, you will find an Allen head bolt that pins the assembly of the wiper and signal. Unscrew this bolt and set it aside. Based on the year of your car ignition replacement you might see 3 or 4 small screws with flat heads that hold the plastic that covers the turn signal switch in place. Take these screws off and put them aside.

To get to the lock cylinder you will need to take off the signal/wiper unit. This requires 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 able to use a shear bolt removal kit.

If the key isn't able to be placed into the ignition switch, it's a sign that the lock cylinder is stuck. You can try inserting the key, then moving it to the ACC position to release the lock cylinder pin, or you can call a locksmith for assistance.

Locksmiths can use the shear tool to remove the lock cylinder. They can make use of a torch to slit the pin, then shave the pin down to remove it. They will be able to change the cylinder's key to match your existing keys and save you the cost of buying a new ignition cylinder.

Replacing the Ignition Cylinder

The ignition cylinder is the cylindrical mechanical part that houses and secures your car's key. The cylinder fits the key and "reads" the anti-theft codes to allow or denial of the starting of your vehicle. As time passes the cylinder will wear out. It could also break or get bent. If this happens, the cylinder will require replacement in order for your vehicle to start.

The signs of a damaged or worn cylinder are issues with turning the key, or with the ignition key replacement cost switch not advancing into the ACC or RUN position, or a warning light appearing on the dashboard. If you have a spare, consider using it inside the lock. You could try using graphite or WD-40 to tweak the cylinder however, this is only for a limited time.

If you have a brand new key to replace the ignition cylinder and follow the instructions above to install it. When installing the new ignition cylinder, make sure it is properly installed within the flange of the steering column tube and is properly aligned with the keyway on the shroud of the steering column. If you're not sure about the proper alignment of the cylinder, refer to your vehicle's Repair Ignition Lock Cylinder manual or an automotive expert.

After the cylinder has been installed and the key is turned to the ACC or RUN position. You should hear a click that signifies that the ignition switch has been fully seated within the cylinder. If your vehicle is equipped with an anti-theft device, you'll have to perform the anti-theft relearn process to program the new ignition cylinder with your key.

Some experts recommend that you hire a professional to replace your ignition cylinder. This is because it's often necessary to disable the steering column airbag in order to access the cylinder. The replacement will also likely require the removal of the steering wheel and the covers for ignition. Because of this, it is a job that should be left to a professional mechanic. They'll be able to remove the steering column cover and install a brand new ignition lock cylinder in your vehicle. They'll also be able to ensure that the ignition lock cylinder has been programmed using your key, and that it starts correctly when you insert it.

Installing the Ignition Cylinder

Although ignition lock cylinders are becoming less necessary in modern vehicles because of advancements in push-to-start and remote start systems, they are still prevalent on older vehicles. If your car's ignition switch is stuck, or if you're experiencing difficulty starting your vehicle the problem could be due to a malfunctioning ignition lock cylinder could be the reason. It's relatively simple to replace your car's ignition lock cylinder and repair the problem.

The ignition cylinder is the mechanical part of the system that slides into the ignition switch in your car and sends power to the rest of the engine. While many people confuse the term "ignition switch" with the ignition cylinder, they are actually two 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 upwards and downwards, permitting your key to slide and rotate inside the cylinder. Each movement of the key and cylinder creates a little friction that keeps the key in place, but over time, these small movements can cause the tumblers on the wafer to wear down. If the tumblers get worn out, the key will not be able to slide into the cylinder, or turn it.

The first sign of trouble is usually a worn ignition coil in most cars. The key could be stuck and make it difficult to insert into or out of the ignition lock cylinder. These are all indications that the ignition lock cylinder must be replaced as soon as it is possible.

Replacing your ignition cylinder isn't difficult, but it is something that should be completed by a skilled do-it-yourselfer only if you're able to follow the proper procedure for your particular make and model of vehicle. A full repair manual for your vehicle will help you get the job done quickly and correctly. If you're not comfortable installing the ignition cylinder yourself it is possible to have one of our ASE-certified mobile mechanics complete the job for you at a time and place.

Test the Ignition Cylinder

The ignition lock cylinder, also known as the ignition lock cylinder is a mechanical part that fits on your key in order to enable it to turn and start your vehicle. It's affixed to the ignition switch that locks the ignition and reads anti-theft codes to allow the key to turn. The ignition lock cylinder is prone to wear and eventually fail, leading to problems with the power supply to your vehicle or making it difficult to insert and remove the key.

Some of the main indications that your car's lock-cylinder is about to fail is difficulty in starting it, or areas where the key is caught when you turn it. These are usually a sign that the cylinder needs to be replaced. You might even see a warning light flashing on your dashboard to signal the possibility of a failure.

As the cylinder gets older it is likely to be damaged through wear and tear. This can cause the pins and tumblers made of wafer to wear down, cause damage or even break, which can prevent your car's ignition from functioning. In some cases the ignition may work if you jostle it in different directions, but this is a warning indication that something is wrong.

You can test the cylinder of your ignition to see whether it's worn out, or the key is bent or damaged. If you own a multimeter, you can probe the module's red wire connection and the battery terminal of the ignition coil to determine if there's voltage. If you are unable to detect any voltage, the module and switch are likely to require replacement.

Replacing the ignition cylinder typically costs between $200 and $300, and it's recommended to hire an expert mechanic do the job. It's not easy due to the fact that you might have remove other components such as the steering column to reach the ignition cylinder. Depending on your vehicle, the replacement procedure can also require you to disable the airbag system, and you'll need to reprogramme your key to work with the new cylinder. This can be done at a dealer however, you can also learn how to do it yourself by using the appropriate tools and directions.