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20 Things Only The Most Devoted Repair Ignition Lock Cylinder Fans Understand
How to Repair an Ignition Lock Cylinder

If your car's key will not turn and it's time to replace the ignition lock cylinder. Unlike the switch which is the electrical component of the ignition system that supplies power to your vehicle's engine the lock cylinder is the mechanical tumbler that your key is able to slide into.

Over time, "wafers" can break or wear out. WD-40 and graphite can temporarily fix the issue, but replacing the tumblers is the only solution.

Removal of the Steering Column

The majority of modern cars do not have a steering column lock cylinder. Instead, they use a key that is used to start the car by pressing and turning a switch on the dashboard panel. This modern system works better and is simpler than the lock-cylinder system of the past. However, there are some older vehicles that use the traditional ignition lock cylinder. If this component is damaged, it might be required to replace it to allow the car to start. This isn't a task for the novice and should be left to professionals.

Using a screwdriver, remove the fasteners holding the trim panels that surround the lower and upper parts of the steering column. This will allow you to access the area around your steering column.

On the side of the column closest to the driver, you will notice 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, you might have three or four small screws with a flat head that secure the plastic cover that covers the turn signal switch. Remove these screws and place them aside.

To access the lock cylinder, you'll have to remove the wiper/signal unit. You can either use a special tool to do this or ghetto it using the help of a piece of metal, for example a cold-chisel. Locksmiths can also make use of the bolt removal kit.

If you're unable to insert the key into the ignition switch, the lock cylinder may be stuck. You can try inserting the key, then moving it to the ACC position to press the lock cylinder pin or you can contact a locksmith for assistance.

A locksmith can use a shear cylinder removal tool or cut the pin from the lock cylinder with torch and then shave it to take it off the lock. They can re-key the ignition cylinder so that 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 component that houses and locks your car's key. The cylinder "reads" the anti-theft code and fits your key to turn on or off your car. Over time the cylinder wears out. It may also become bent or damaged. In this situation you'll need replace the cylinder in order to get your car started.

The signs of a damaged or worn cylinder include problems with turning your key, or with the ignition switch not moving to the ACC or RUN position, or with a warning light appearing on the dash. If you have an extra key, use it inside the lock. You might be able make the cylinder more pliable using graphite or WD-40, but this technique only works for a certain amount of time.

Replace the ignition cylinder if you have a replacement key. Follow the steps above to install the new ignition cylinder. Install the new ignition cylinder making sure it's properly seated into the steering-column tube flange and aligned to the keyway on the shroud. If you're unsure about the correct alignment of the cylinder, refer to your vehicle's repair manual or an expert.

After the cylinder has been installed, turn the key to the ACC or RUN position. Watch for a click which indicates the ignition switch is fully seated in the cylinder. If your vehicle is equipped with an anti-theft device, you'll need to follow the anti-theft relearn procedure to programme the new ignition cylinder into your key.

Some experts recommend replacing the ignition cylinder, since it is often required to deactivate the airbag in the steering column to access the cylinder. The replacement process will likely require the removal of the steering wheel and the ignition covers. Because of this, it is a task best left to a skilled mechanic. They'll be able to remove the steering wheel cover and replace it with a new ignition locking cylinder in your vehicle. They'll also make sure that the ignition lock cylinder is programmed with your key and that it begins to work correctly when you insert it.

Installing the Ignition Cylinder

Although ignition lock cylinders are becoming less important in modern vehicles due to advancements in remote start and push-to-start systems, they're prevalent on older vehicles. If your car's ignition switch or key seems to be stuck, or you're having trouble starting the vehicle the problem could be due to a malfunctioning ignition lock cylinder could be the cause. It's relatively simple to replace your car's ignition lock cylinder, and then fix the problem.

The ignition cylinder is the part of the system that is inserted into the ignition switch in your car and supplies power to the rest of the engine. Many people confuse the term "ignition switch" with the ignition cylinder, they are actually two separate parts. The switch is an electronic component that connects with your car's computer to transmit signals to turn on the engine when you turn the ignition key.


car ignition replacement near me on the cylinders of ignition locks move up and down, permitting your key to slide and rotate inside the cylinder. Every movement of the key and cylinder creates a little friction that helps keep the key in place, but in time, these tiny movements could cause the wafer tumblers to wear down. If the tumblers get worn out the key will not be able slide into the cylinder, or turn it.

The first sign of trouble is usually a worn-out ignition coil in most cars. However, the key may be stuck and become difficult to remove or insert from the cylinder. These are indications that you need to replace your ignition lock cylinder as fast as you can.

Replacing the ignition cylinder on your vehicle isn't difficult, but it's an undertaking that should be done 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 are not comfortable installing the ignition cylinder yourself You can let one of our ASE-certified mobile mechanics do the job for you at a time and location.

Test the Ignition Cylinder

The ignition lock Cylinder is a mechanical piece that fits your key and permits it to rotate and start your car. It is placed inside the ignition switch which secures the ignition, and reads the anti-theft code to authorize the key to turn. The ignition lock cylinder is prone to wear and eventually fail, leading to issues powering your vehicle or making it difficult to remove and insert the key.

The most common indicators that a lock cylinder is about go bad include difficulty getting your car started or locating places where the key gets stuck when you try to turn it. These issues usually indicate that the cylinder is worn down and requires replacement. In certain instances you may notice an alert light on your dashboard that indicates the possibility of a failure.

As the cylinder ages, it may be damaged due to wear and tear. This can cause the pins and tumblers to wear down and break, preventing your car's ignition from unlocking. In some cases the ignition may work if you move it around, but this is a warning indication that something is wrong.

You can test the cylinder in your ignition and see if the key or cylinder is damaged or worn out. You can use a multimeter to check if there's voltage between the red wire of the module and the battery terminal of the ignition coil. If you don't see any voltage, the switch and module are likely to require replacement.

Replacing the ignition cylinder typically costs between $200 and $300, and it's usually best to have an experienced mechanic complete the job. The process is complicated due to the fact that you could require removing other components to access the cylinder for ignition, such as the steering column. Based on the vehicle you have, the replacement procedure can be accompanied by the need to disable the airbag system, and you'll have change the programming of your key to work with the new cylinder. This process is usually done by the dealership however, you can also learn how to do it yourself with the appropriate tools and directions.