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How to repair ignition lock cylinder (in the know) an Ignition Lock Cylinder

If your car ignition locked's key isn't turning, it's time to change the ignition lock cylinder. In contrast to the switch which is the electrical part of the ignition system that supplies power to your vehicle's engine The lock cylinder is the mechanical tumbler that your key can slide into.

Over time over time, these "wafer" tumblers wear out or break. WD-40 and graphite can temporarily fix the issue, but replacing the tumblers is the only way to fix it.

The steering column can be removed

Modern cars do not use steering column locks. Instead, they use keys that can be used to start the car by pressing and turning an on the dash panel. This modern system functions better and is much simpler than the older lock-cylinder method. Some older vehicles still employ the old lock cylinder. If this component is damaged, you will need to replace it to be able to start the vehicle. This isn't a task for the novice and is best left to a professional.

With a screwdriver, take out the fasteners holding the trim panels that surround the upper and lower steering column. This allows you to access the area around the steering column.

On the side of the steering column that is closest to the driver, you'll see an Allen head bolt that pins the assembly of the wiper and signal. Remove this bolt and place it away. Depending on the year of your vehicle you might find three or four small screws with flat heads that keep the plastic that covers the turn signal switch in place. Remove these screws and place them aside.

To get to the lock cylinder, one will have to take off the signal/wiper assembly. This will require the use of a special tool or you can ghetto perform the task using a piece of metal like a cold chisel. A locksmith will also be able to use a shear bolt removal kit.

If you can't insert the key into the ignition switch the lock cylinder might be stuck. You can try inserting the key and moving it to the ACC position to depress the lock cylinder pin, or call an expert locksmith for assistance.

A locksmith will be able to use a shear cylinder removal tool or cut the pin from the lock cylinder using a torch and then shave it to remove it from the assembly. They can also re-key your ignition cylinder so that it matches the keys you already have. This will save you money on an entirely new ignition.

Replace the Ignition Cylinder

The ignition cylinder is the cylindrical mechanical part that houses and locks your car's key. The cylinder "reads" the anti-theft code and then fits your key to turn on or off your vehicle. The cylinder wears down over time. It may also become bent or damaged. In this situation you'll need to replace the cylinder in order to start your car.

A worn or broken cylinder can cause problems turning the key, or cause the ignition switch not moving into the ACC position, or RUN, or a warning light to illuminate on the dashboard. If you have a spare, consider using it inside the lock. You might be able make the cylinder more pliable using graphite or WD-40, however this method only works for so long.

Replace the ignition cylinder if have an additional key. Follow the instructions above to install the new ignition key replacement cylinder. When installing the new ignition cylinder ensure it is installed within the flange on the steering column tube and is aligned correctly with the keyway on the shroud for the steering column. If you are unsure of the proper alignment of the cylinder, consult your car's repair manual or an expert.

Once the cylinder is in then turn the key to the ACC or RUN position. You should hear a click confirm that the ignition switch is completely seated into the cylinder. If your vehicle is equipped with an anti-theft system, you will have to go through the anti-theft relearn procedure for the new ignition cylinder in order to program it to your key.

Some experts suggest replacing the ignition cylinder, since it is typically necessary to disable the airbag inside the steering column to gain access to the cylinder. Additionally, the replacement will likely require removing and replacing the ignition and steering wheel covers. This is a job that should be left to an experienced mechanic. They will be able remove the cover for your steering wheel and replace it with a new ignition and key replacement locking cylinder inside your vehicle. They'll also be able to make sure 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

While ignition lock cylinders are becoming less essential in modern vehicles due to advancements in remote start and push-to-start systems, they are still common on older cars. If you have trouble starting your car or if the ignition switch is stuck, it could be a defective ignition cylinder. It's simple to fix your vehicle's problem by replacing the cylinder of the ignition lock.

The ignition cylinder is a mechanical part of the system which connects to the ignition switch of your car and provides power to rest the engine. The ignition switch and the ignition cylinder are two distinct components. The switch is the electrical portion that connects to your car's computer and transmits signals to activate the motor when you turn the key.

Ignition lock cylinders have pins that move up and down to let your key slide into and rotate in the cylinder. Every movement of the cylinder and key creates a tiny friction that helps keep the key in place but in time, these tiny movements can cause the wafer tumblers to wear down. When the tumblers wear down the key will not be able slide into the cylinder, or turn it.

A worn-out ignition and key replacement cylinder is usually the first sign of trouble in most vehicles. The key may also become stuck and difficult to insert into or remove from the ignition lock cylinder. These are all signs that your ignition lock cylinder should be replaced as soon as it is possible.

It's not difficult to change your ignition cylinder, but you should only do it if you are confident that you can follow the correct procedure for your vehicle's specific model and make. A full repair manual for your car will help you get the job done quickly and correctly. If you are not comfortable installing the ignition cylinder on your own it is possible to have one of our ASE-certified mobile mechanics complete the job for you at a time and place.

Testing the Ignition Cylinder

The ignition lock cylinder is a mechanical part that is affixed to your key and permits it to turn and start your car. It is placed inside the ignition switch that locks the ignition, and reads the anti-theft number to authorize key turning. The cylinder for the ignition lock is susceptible to wear and may eventually fail, causing issues powering your vehicle or making it hard to remove and insert the key.

The most obvious indications that a car's lock cylinder is preparing to be damaged is having trouble starting your vehicle or finding positions where the key gets stuck when you try to turn it. These issues are typically a sign that the cylinder must be replaced. In some instances, you might even notice a warning light on your dashboard that indicates an imminent failure.

As the cylinder ages, it can become damaged due to corrosion or wear and tear. This can cause the wafer tumblers and pins to wear out, damage or even break, which will make it impossible for your car's ignition to continue functioning. In certain instances, the ignition will still work if you jostle it in different directions, but this is a warning indicator that something is wrong.

You can test your ignition cylinder to see if it's worn out or the key is bent or damaged. If you own a multimeter, you could back-probe the module's red wire connection and the battery terminal of the ignition coil to see if there is any voltage. If you don't find any voltage or a switch, the module are likely to need to be replaced.

It is best to engage a professional mechanic to repair the ignition cylinder as it can cost between $200 to $300. The process is complicated by the fact that you could require removing other components to access the cylinder for ignition, such as the steering column. The process of replacing it could require you to disable the airbag system, and then reprogram your key to work with the new ignition cylinder. It is usually done by an agent. However, you can do it yourself if you have the right tools and the right instructions.