How to Repair an Ignition Lock Cylinder

If your car's keys won't turn, it's time to replace the cylinder that controls the ignition. Contrary to the switch which is the electrical part of the ignition system that supplies energy to the engine of your car the lock cylinder is the mechanical tumbler your key slides into.

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

Removal of the steering column

Modern cars don't have steering column locks. They make use of keys to start the car by pressing and turning an electronic switch located in the dashboard panel. This newer system works much better and is much simpler than the older lock-cylinder method. However, there are a few older cars that still utilize the traditional ignition lock cylinder. If this component is damaged, it might be required to replace it to get the car started. This is not an activity for the beginner and should be left to an experienced professional.

Using a screwdriver, remove the fasteners holding the trim panels covering the lower and upper steering column. This will allow you access to the area surrounding the steering column.

On the side of the steering column that is closest to the driver, you will notice an Allen head bolt that holds the signal and wiper assembly to the column. Unscrew this bolt and set it aside. Based on the year of your car, you may have 3 or 4 small flat head screws that hold the plastic cover over the turn signal switch. Unscrew these and set them aside.

To access the lock cylinder, you'll have to take off the wiper/signal unit. This will require the use of a special tool or to do it using an object of metal such as a cold chisel. A locksmith ignition replacement cost can also use a bolt removal kit.

If you are unable to insert the key into the ignition switch the lock cylinder might be stuck. You can either call an locksmith or insert the key into the ignition switch and move it to the ACC to press the pin of the lock cylinder.

A locksmith can employ a shear cylinder removing tool or they can cut the pin from the lock cylinder with an electric torch, and then shave it down to remove it from the cylinder. They will be able to re-key the cylinder to match your existing keys and will save you the expense of purchasing a new ignition cylinder.

Replacing the Ignition Cylinder

The ignition Cylinder is the mechanical cylinder that houses and locks your car's key. The cylinder is affixed to the key and "reads" the anti-theft codes to permit or block the start of your vehicle. The cylinder wears down over time. It could also break or become bent. In this case, you will need to replace the cylinder to get your car running.

Symptoms of a broken or worn cylinder are issues when turning your key or the ignition switch not moving to the ACC or RUN position, or with a warning light appearing on the dashboard. If you have a spare, consider using it in the lock. You could try using graphite or WD-40 to adjust the cylinder's settings, however, this is only for a brief period of period of time.

If you've got a new key you can replace the ignition cylinder and follow the steps outlined above to install it. Install the new ignition cylinder by making sure it's properly seated into the steering-column tube flange, and aligned with the keyway on the shroud. Consult your car's manual or an expert to confirm that the cylinder is aligned correctly.

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

Some experts suggest replacing the ignition lock Jammed cylinder, as it is often required to deactivate the airbag in the steering column to access the cylinder. In addition, the replacement process will likely involve removal and replacement of the steering wheel and ignition covers. For these reasons, this is a job best left to a skilled mechanic. They will be able remove the steering wheel cover and replace it with a new ignition locking cylinder in your vehicle. They'll also be able to ensure that the ignition lock cylinder has been programmed by your key and that it will start correctly when you insert it.

Installing the Ignition Cylinder

Although cylinders for ignition locks are becoming less essential in modern vehicles due to advancements in push-to-start and remote start systems, they're common on older cars. If your car's ignition switch is stuck, or if you're experiencing difficulty starting your vehicle, a defective ignition lock cylinder may be the reason. Luckily, it's relatively easy to replace the ignition lock cylinder and repair the issue.

The ignition cylinder is a mechanical component of the system which is inserted into the ignition switch of your vehicle and supplies power to the rest the engine. The ignition switch and ignition cylinder are two separate components. The switch is the electrical component that connects to your car's computer and transmits signals to activate the motor when you turn the key.

The pins on cylinders for ignition locks move upwards and downwards, permitting your key to slide and rotate inside the cylinder. Every movement of the cylinder and key creates friction that keeps the key in its place. However, as time passes, the wafer tumblers can wear out. When the tumblers wear down the key will not be able slide into the cylinder, or turn it.

The first indication of trouble is usually a worn out ignition coil that is found in the majority of automobiles. The key may also get stuck and be 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.

It's easy to change the ignition cylinder, but you should only do it if are confident that you will follow the correct procedure for your vehicle's specific model and make. You can complete the job quickly and accurately by using a complete repair manual for your vehicle. If you're not confident installing the ignition cylinder yourself then let one of our ASE certified mobile mechanics perform the repair for you at a time and in a location that's convenient to you.

Test the Ignition Cylinder

The ignition lock cylinder, also known as the ignition lock cylinder is a mechanical part that is fitted to your key to allow it to turn and start your vehicle. It's located inside the ignition switch that locks the ignition and reads anti-theft codes to permit the key to turn. The cylinder that locks the ignition will wear out and eventually fail. This can cause issues with your vehicle's power or make it difficult to insert and remove keys.

The main indicators that a lock cylinder is about go bad include difficulty starting your car or locating places where the key gets stuck when you try to turn it. These issues are typically a sign that the cylinder needs to be replaced. You may even see an alert light flashing on your dashboard to signal the possibility of does a new ignition switch require a new key failure.

As the cylinder gets older, it can become damaged by corrosion or wear and wear and tear. This could cause the pins and wafer tumblers to wear out and break or damage and stop the ignition of your car from working. In some cases the ignition may function if you jerk it around but this is a dangerous indication that something is wrong.

You can check the cylinder in your ignition and see if the key or cylinder is damaged or worn out. If you own a multimeter, it is possible to probe the module's red wire connection and the battery terminal of the ignition coil to determine if there's voltage. If you don't see any, the switch and module likely need replacing.

The replacement of the ignition cylinder usually costs $200 to $300, and it's usually best to have a professional mechanic perform the job. The process is complicated due to the fact that you could need to remove other components to access the ignition key replacement cylinder, including the steering column. The replacement procedure may also require you to deactivate the airbag system and reprogramme your key to work with the new ignition cylinder. This can be done at a dealer however, you can also learn how to do it yourself with the right tools and instructions.