How to Repair an Ignition Lock Cylinder

If your car ignition switch's keys won't turn, it's time to replace the ignition lock cylinder. The lock cylinder is a tumbler made of mechanical which your key slides into, as opposed to the switch that is an electrical part of the ignition system.

Over time over time, these "wafer" tumblers wear out or break. The use of WD-40 or graphite could temporarily fix the problem but replacement is the only permanent solution.

Eliminating the Steering Column

Most modern cars no longer utilize a steering column lock cylinder. They use keys to start the vehicle by pressing and turning the switch on the dashboard panel. This newer system is much easier and more efficient than the old lock cylinder method. Some older cars still use the old lock cylinder. If this component fails, it may be required to replace it to start the car. This isn't a task for the beginner and is best left to a professional.

Remove the trim panels that cover the lower and upper columns of the steering using the help of a screwdriver. This allows you to access the area around your steering column.

On the side of the column that is closest to the driver, you'll notice an Allen head bolt that pins the signal and wiper assembly to the column. Take this bolt off and set it aside. Based on the year of your car, it could have three or four small screws with a flat head that hold the plastic cover on the turn signal switch. Unscrew them and put them aside.

In order to get at the lock cylinder, you will need to remove the wiper/signal assembly. This requires the use of a specially designed tool or you can ghetto do it with an object of metal such as a cold chisel. Locksmiths are also equipped with the shear bolt removal kit.

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

A locksmith will be able to use a shear cylinder removal tool or cut the pin from the lock cylinder with torch and then shave it down 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 a new ignition.

Replace the Ignition Cylinder

The ignition Cylinder is a cylindrical mechanical component which houses and secures the key in your vehicle. The cylinder "reads" the anti-theft codes and matches your key to allow you to start or stop your car. As time passes the cylinder wears out. It could also be bent or damaged. If this occurs, the cylinder will need to be replaced to allow your vehicle to begin.

A damaged or worn-out cylinder may cause issues when turning the key, or cause the ignition switch not moving into the ACC position or Repair Ignition Lock Cylinder RUN, or a warning lamp to appear on the dashboard. If you have a spare, try using it inside the lock. You might be able to smooth the cylinder using graphite or WD-40. However, this technique only works for so long.

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

Once the cylinder is installed and the key is turned to the ACC or RUN position. Watch for a click which indicates that the ignition switch is fully seated inside the cylinder. If your vehicle has an anti-theft device, you will have to go through the anti-theft relearning procedure for the new ignition cylinder to program it to your key.

Some experts recommend hiring a professional to replace the cylinder in your ignition. This is because it is often necessary to disable the airbag in the steering column for access to the cylinder. The replacement may require removing the steering wheel and the covers for ignition. This is why it's best to leave this job to a professional mechanic with experience. They'll be able to take off the cover for the steering column and then properly install a new ignition lock cylinder in your vehicle. They'll also be able make sure that the ignition lock cylinder has been programmed using your key, and that it is properly started when you insert it.

Installing the Ignition Cylinder

Although ignition lock cylinders are becoming less important in modern vehicles thanks to advancements in push-to-start and remote start systems, they're common on older cars. If you're having difficulty starting your car or the ignition switch is not working it could be due to an issue with your ignition cylinder. Luckily, it's relatively easy to replace the ignition lock cylinder, and then fix the problem.

The ignition cylinder is a mechanical component of the system which is inserted into the ignition switch in your car and provides power to the rest the engine. While many people confuse the phrase "ignition switch" with the ignition cylinder, they're two distinct components. The switch is an electrical component that connects to your car ignition switch replacement's computer to send signals to start the engine when you turn the ignition key.

The pins on the cylinders of ignition locks move upwards and downwards, permitting your key to move and rotate within the cylinder. Every movement of the key and cylinder creates a tiny friction that helps keep the key in place but over time, these tiny movements can cause the wafer tumblers to wear down. When the tumblers are worn down, your car's key won't be able to slide into or rotate the cylinder.

A damaged ignition cylinder is usually the first indication of trouble in most vehicles. However, the key could also begin to stick and become difficult to insert or Repair Ignition Lock Cylinder remove from the ignition cylinder. These are all indications that your ignition lock cylinder should be replaced as soon as is possible.

It's not a big deal to replace the ignition cylinder, but you should only do it if are confident that you can follow the correct procedure for your specific model and make. A full repair ignition lock cylinder manual for your vehicle will assist you in getting the job done efficiently and correctly. If you're not confident in installing the ignition cylinder yourself then let one of our ASE certified mobile mechanics do the Repair Ignition Lock Cylinder for you at a time and in a location that's convenient to you.

Test the Ignition Cylinder

The ignition lock cylinder, also referred to as the ignition lock cylinder, is a mechanical component that fits on your key to allow it to turn and start your vehicle. It is mounted inside the ignition switch, which locks the ignition, and reads the anti-theft codes to allow key turning. The ignition lock cylinder is prone to wear and may eventually fail, causing problems with the power supply to your vehicle or making it hard to remove and insert the key.

Some of the main indications that your car's lock-cylinder is about to fail is difficulty in starting it, or locations where the key is caught when you turn it. These signs usually mean that the cylinder is damaged and needs replacement. In certain instances, you might even notice an alert light on your dashboard that indicates the possibility of a failure.

As the cylinder age it can be damaged due to wear and tear. This can cause the pins and wafer tumblers to wear down, damage or break, preventing the ignition of your car from working. In certain instances the ignition may function if you jerk it around however this could be a sign that something could be wrong.

You can check the cylinder of your ignition and determine whether the cylinder or the key is damaged or worn out. If you have a multimeter, you can probe the module's red wire connection and the battery terminal of the ignition coil to determine if there's the voltage. If you do not find any voltage, the module and switch will most likely require replacement.

It is recommended to hire an expert mechanic to replace the ignition cylinder, since it could cost between $200 to $300. It's not an easy task because you may have to remove other components like the steering column, to reach the ignition cylinder. Depending on your vehicle the replacement process may also require you to disable the airbag system, and then you'll need 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 using the right tools and instructions.