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How To Build A Successful Repair Ignition Lock Cylinder When You're Not Business-Savvy
How to Repair an Ignition Lock Cylinder

If your car's keys isn't turning, it's time to change the ignition lock cylinder. Unlike the switch that 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 become worn out. WD-40 and graphite may temporarily resolve 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. They make use of a key to start the vehicle by pressing and turning the switch on the dash panel. This newer system works much better and is simpler than the old lock-cylinder method. Some older cars still use the old lock cylinder. When this part is damaged, you will require replacing it in order to start the vehicle. This isn't a task for the novice and is best left to a professional.

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

There is an Allen head bolt on the side of the steering wheel that is closest to the driver that holds the wiper/signal unit in the correct position. Unscrew this bolt and set it aside. Depending on the year of your vehicle, you may find 3 or 4 small screws with flat heads that keep the plastic over the turn-signal switch in place. Remove these screws and set them aside.

To get to the lock cylinder, you'll have to take off the wiper/signal unit. This will require the use of a special tool or perform the task using an object of metal such as a cold chisel. G28 can also make use of an instrument to remove bolts.

If you can't insert the key into the ignition switch the lock cylinder could be stuck. You can either call an locksmith or insert the key into the ignition switch and then move it to the ACC to release the lock cylinder's pin.

A locksmith can use a shear tool to take off the lock cylinder or they can use a torch to cut the pin and then shave it down to take it off. They can re-key your 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 part that houses and secures the key to your car. The cylinder fits the key and "reads" the anti-theft code to permit or block the start of your vehicle. Over time the cylinder will wear out. It may also become bent or broken. If this occurs, the cylinder will have to be replaced to allow your car to start.

Signs of a damaged or worn cylinder include problems with turning your key, or the ignition switch not advancing into the ACC or RUN position, or a warning light appearing on the dashboard. If you have a spare, consider using it in the lock. You may be able use some WD-40 or graphite to tweak the cylinder but this is only effective for a short period of period of time.

If you have a brand new key you can replace the ignition cylinder, and follow the instructions above to install it. When installing the new ignition cylinder, make sure it is properly installed in the flange of the steering column tube, and that it is correctly aligned with the keyway on the shroud of the steering column. Check the manual of your car or an expert to make sure that the cylinder is properly aligned.

Once the cylinder has been installed, turn the ignition key to ACC or RUN. Watch for a click which indicates that the ignition switch is fully installed within the cylinder. If your vehicle has an anti-theft system, you'll have to go through the anti-theft relearn process for the new ignition cylinder to program it to your key.

Some experts recommend hiring a professional to replace the ignition cylinder since it is usually required to deactivate the airbag in the steering column to gain access to the cylinder. Additionally, the replacement is likely to involve taking off and replacing the steering wheel and ignition covers. For these reasons, this is a task best left to an experienced mechanic. They will be able remove the steering wheel cover and install a new ignition locking cylinder into your vehicle. They'll also be able verify that the ignition lock cylinder is programmed with your key, and that it will start correctly when you insert it.

Installing the Ignition Cylinder

Although ignition lock cylinders have been less significant in modern vehicles because of remote start and push-tostart systems older cars still use them. If your car's ignition switch or key seems to be stuck or you're having difficulty starting your car the problem could be due to a malfunctioning ignition lock cylinder could be to blame. Luckily, it's relatively easy to replace your vehicle's ignition lock cylinder, and then fix the issue.

The ignition cylinder is the mechanical portion of the system that slides into the ignition switch of your car and supplies power to the rest of the engine. The ignition switch and ignition cylinder are separate components. The switch is an electrical device that connects with your car's computer to send signals to activate the engine when you turn the ignition key.

Ignition lock cylinders have pins that move upwards and downwards to let your key slide into and rotate inside the cylinder. Every movement of the cylinder and key creates friction, which keeps the key in its place. However, as time passes, the wafer tumblers can wear out. If the tumblers wear down, the key of your car won't be able slide into or turn the cylinder.

The first indication of trouble is usually a worn ignition coil in the majority of cars. However, the key may also begin to stick and become difficult to insert or remove from the ignition cylinder. These are indicators that you need to replace the ignition lock cylinder as soon as you can.

It's easy to replace your ignition cylinder, but you should only do it if are confident that you can follow the proper procedure for your car's specific model and make. A full repair manual for your car can help you get the job done quickly and correctly. If you're not comfortable installing the ignition cylinder on your own You can let one of our ASE-certified mobile mechanics perform the job for you at a time and place.

Testing 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 car. It's affixed to the ignition switch which is locked to the ignition and reads anti-theft coding to permit key turning. The cylinder for the ignition lock is prone to wear and may eventually fail, causing issues powering your vehicle or making it difficult to insert and remove the key.

The most obvious indications that a car's lock cylinder is about to fail is difficulty starting your car or locating locations where the key is stuck when you try to turn it. These signs usually mean that the cylinder has damaged and needs replacement. In some cases you may notice an indicator light on your dashboard that signals an imminent failure.

As the cylinder ages, it may be damaged by corrosion or wear and tear. This can cause the wafer tumblers and pins to wear down, cause damage or even break, which will make it impossible for your car's ignition to continue working. In certain instances, the ignition will still work if you jostle it around however this could be a sign that something could be wrong.

You can test your ignition cylinder to see whether it's worn-out or if the key is bent or damaged. You can test with a multimeter whether there's a voltage connection between the red wire connector of the module and the battery terminal of the ignition coil. If you are unable to detect any voltage, the module and switch are likely to need to be replaced.

The replacement of the ignition cylinder usually costs $200 to $300, and it's usually best to let an experienced mechanic complete the task. The process is complicated due to the fact that you could require removing other components to access the cylinder that controls ignition, including the steering column. The replacement procedure may also require you to turn off the airbag system and reprogramme your key to work with the new ignition cylinder. This is typically done at an authorized dealer, but you can learn how to do it yourself with the appropriate tools and directions.

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