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How to repair Ignition lock cylinder an Ignition Lock Cylinder

If your car's key won't turn it's time to change the ignition lock cylinder. The lock cylinder is a mechanical tumbler which your key slides into, in contrast to the switch which is an electrical part of the ignition system.

Over time, "wafers" can break or wear out. WD-40 and graphite are able to temporarily resolve the issue however, replacing the tumblers is the only way to fix it.

Removing the Steering Column

The majority of modern cars do not use a steering column lock cylinder. Instead, they utilize keys that can be used to start the car by pressing and turning the switch on the dash panel. This newer system is much simpler and more effective than the traditional 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 in order to allow the car to start. This isn't a task for the beginner and should be left to a professional.

Utilizing a screwdriver, you can remove the fasteners that hold the trim panels that surround the upper and lower steering column. This will allow you to access the area around your steering column.

You will find an Allen head bolt on the side of the steering wheel that is closest to the driver that holds the wiper/signal unit in place. Remove the bolt and set it aside. Depending on the year of your car, you may have 3 or 4 small screws with flat heads that hold the plastic cover on the turn signal switch. Remove these screws and set them aside.

In order to get at the lock cylinder, one will have to take off the signal/wiper assembly. You can either make use of a specific tool to accomplish this, or ghetto it using the help of a piece of metal, for example a cold-chisel. Locksmiths are also able to use a shear bolt removal kit.

If you're unable to insert the key into the ignition switch the lock cylinder might be stuck. Try inserting the key and moving it to the ACC position to release the pin on the lock cylinder, or call a locksmith for assistance.

A locksmith will be able to make use of a shear cylinder removal tool or cut the pin off of the lock cylinder with a torch and then shave it down to remove it from the cylinder. They can re-key the cylinder to match your existing keys and will save you the cost of a new ignition cylinder.

Replacing the Ignition Cylinder

The ignition cylinder is a cylindrical mechanical component which houses and secures the key to your car. The cylinder "reads" the anti-theft code and then fits your key to allow you to start or stop your vehicle. The cylinder wears down over time. It could be bent or broken. If this happens, the cylinder will require replacement in order for your car to begin.

A damaged or worn-out cylinder may cause issues when turning the key, or the ignition switch to not move into the ACC position or RUN, or a warning light to appear on the dashboard. If you have a spare, try using it in the lock. You may be able to smooth the cylinder using graphite or WD-40, but this method only works for a certain amount of time.

Replace the ignition cylinder if have an alternative key. Follow the instructions above to install the new ignition cylinder. Install the new ignition cylinder making sure that it is properly seated into the steering-column tube flange, and aligned with the keyway on the shroud. Check the manual of your car or an expert to confirm that the cylinder is properly aligned.

After the cylinder is installed and the ignition switch is turned to ACC or RUN. Watch for a click which indicates the ignition switch is fully set inside the cylinder. If your vehicle has an anti-theft device, you will have to follow the anti-theft relearning procedure for the new ignition cylinder in order to program it to your key.

Some experts suggest having a professional replace the ignition cylinder, since it is typically required to shut off the airbag in the steering column to access the cylinder. In addition, the replacement process will likely require taking off and replacing the ignition and steering wheel covers. This is why you should leave the job to an experienced mechanic. They'll be able remove the cover for the steering column and then properly install a new ignition lock cylinder to your vehicle. They'll also be able to make sure that the ignition lock cylinder is programmed with your key and that it is working properly when you insert it.

Installing the Ignition Cylinder

Although ignition lock cylinders are becoming less necessary in modern vehicles due to advancements in remote start and push-tostart systems, they are still common on older cars. If you're having difficulty starting your car or if the ignition switch is stuck, it could be an issue with the ignition cylinder. It's simple to fix the issue by replacing the cylinder for your ignition lock.

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

Ignition lock cylinders have pins that move upwards and downwards to allow the key to slide into and rotate inside the cylinder. Every movement of the key and cylinder creates friction, which keeps the key in its place. However, over time the wafer tumblers may wear out. If the tumblers wear down, the key of your car will not be able to slide into or turn the cylinder.

A damaged ignition cylinder is usually the first indication of trouble in the majority of vehicles. However, the key may become stuck and become difficult to insert or remove from the cylinder. These are all signs that your ignition and key replacement lock cylinder should be replaced as soon as possible.

Replacing the ignition cylinder on your vehicle isn't difficult, but it is an undertaking that should be completed by a trained DIYer only if you're able to follow the correct procedure for your specific make and model of vehicle. You can complete the job quickly and accurately by using a complete repair manual for your vehicle. If you're not comfortable installing the ignition cylinder on your own it is possible to have one of our ASE-certified mobile ignition lock repair services mechanics complete the job for you at a time and location.

Test the Ignition Cylinder

The ignition lock cylinder is a mechanical component that is affixed to your key and allows it to turn and start your car. It's affixed to the ignition switch which is locked to the ignition and reads anti-theft codes to permit the key to turn. The cylinder that locks the ignition is prone to wear and can eventually fail, leading to problems with powering your vehicle or making it difficult to remove and insert the key.

The main signs that a car ignition switch replacement's lock cylinder is about to fail is difficulty getting your car started or locating places where the key gets stuck when you try to turn it. These signs usually mean that the cylinder has worn out and requires replacement. In some cases you may even see an alert light on your dashboard, which signals the possibility of a failure.

As the cylinder ages it is likely to be damaged by corrosion or wear and wear and tear. This could cause the pins and tumblers made of wafer to wear down, cause damage or even break, which could prevent your car's ignition from working. The ignition could still function in some instances by moving it around. However it could be a sign that something is not right.

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

The replacement of the ignition cylinder typically costs between $200 and $300 and it's generally recommended to let an experienced mechanic complete the job. It can be complicated because you may have remove other components like the steering column, in order to get to the ignition cylinder. Depending on the model of your vehicle, the replacement procedure can also require disabling the airbag system, and you'll need to reprogram your key to work with the new cylinder. This is typically done at an authorized dealer however, you can also learn how to do it yourself with the right tools and instructions.