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How to Repair an Ignition Lock Cylinder





If your car key isn't turning, it's time to change the ignition lock cylinder. The lock cylinder is a mechanical tumbler that your key slides into, as opposed to the switch that is an electrical part of the ignition system.

Over time, these "wafer" tumblers will wear out or break. WD-40 and graphite are able to temporarily resolve the issue however, replacing the tumblers is the only option.

The steering column can be removed

Modern cars don't have steering column locks. They use keys to start the vehicle by pressing and turning an electronic switch located in the dashboard panel. This modern system works more efficiently and is less complicated than the old lock-cylinder method. Some older cars still use the old lock cylinder. When this part is damaged, you will need to replace it to be able to start the vehicle. This is a task that should be left to professionals.

Remove the trim panels that cover the upper and lower column of the steering with the help of a screwdriver. This will allow access to the area around the steering column.

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

To get to the lock cylinder you will have to remove the wiper/signal unit. This requires the use of a specially designed tool, or you could to do it using an object of metal such as a cold chisel. Locksmiths can also utilize an instrument to remove bolts.

If the key cannot be placed into the ignition switch, it's a sign that the lock cylinder is stuck. You can try inserting the key and moving it to the ACC position to release the pin on the lock cylinder, or you can call a locksmith for help.

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 the pin down to remove it. They can also re-key your ignition cylinder to ensure it matches the keys you already have. This will save you money on an entirely new ignition.

Replacing 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 allow you to start or stop your vehicle. The cylinder can wear down over time. It can also break or get bent. If this occurs, the cylinder will have to be replaced to allow your vehicle to start.

A damaged or worn-out cylinder may cause issues when turning the key, or the ignition switch not moving into the ACC position, or RUN, or a warning lamp to appear on the dashboard. If you have an extra, use it in the lock. You may be able use graphite or WD-40 to adjust the cylinder's settings, however, this is only for a brief period of time.

Replace the ignition cylinder if you have an additional key. Follow the steps above to install the new ignition cylinder. Install the new ignition cylinder by making sure it's properly placed into the steering column tube flange and aligned with keyway on the shroud. Check the manual of your car or an expert to confirm that the cylinder is properly aligned.

Once the cylinder has been installed and the ignition switch is turned to ACC or RUN. Watch for a click which indicates the ignition switch is fully seated within the cylinder. If your vehicle has an anti-theft system, you will need to perform 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 due to the fact that it is often necessary to disable the steering column airbag for access to the cylinder. In addition, the replacement process is likely to involve taking off and replacing the steering wheel and ignition covers. This is a job that should be left to a professional mechanic. They'll be able to remove the cover on your steering wheel and install a brand new ignition locking cylinder into your vehicle. They will also be able verify that the ignition lock cylinder has been programmed using your key, and that it will start correctly when you insert it.

Installing the Ignition Cylinder

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

The ignition cylinder is the part of the system that slides 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 electronic component that connects to the computer in your car and sends 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 move and rotate within the cylinder. Each movement of the cylinder and key creates friction that keeps the key in place. However, as time passes, the wafer tumblers can wear out. When the tumblers have worn down, your car's key won't be able to slide into or turn the cylinder.

The first sign of trouble is usually a worn out ignition coil in the majority of cars. The key could be stuck and make it difficult to insert into or out of the ignition lock cylinder. These are indications that you should replace your ignition lock cylinder as quickly as possible.

It's not a big deal 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. You can complete the task quickly and accurately by using a complete repair manual for your vehicle. If you're not confident installing the ignition cylinder on your own, you can have one of our ASE-certified mobile mechanics complete the work for you at a convenient time and location.

Testing the Ignition Cylinder

The ignition lock cylinder is a mechanical component that fits your key and allows it to turn and start your car. It is inserted into the ignition switch, which secures the ignition, and reads the anti-theft code to authorize key turning. The cylinder for the ignition lock can wear out and eventually fail. This can cause problems with your vehicle's power or make it difficult to insert and remove keys.

The most obvious signs that your car's lock-cylinder is in danger of failing is difficulty starting it or finding places where the key gets caught when you turn it. G28 Car Keys mean that the cylinder has damaged and needs replacement. In some cases, you might even notice an indicator light on your dashboard that signals an imminent failure.

As the cylinder gets older it may be damaged by corrosion or simply wear and wear and tear. This can cause the pins and wafer tumblers to wear down and break or damage and stop your car's ignition from unlocking. The ignition could still function in certain situations when you move it around. However this could indicate something is wrong.

You can check the cylinder's ignition to see whether it's worn-out or the key is bent or damaged. 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 see if there is voltage. If you do not find any voltage, then the module and switch likely need replacing.

The replacement of the ignition cylinder usually costs between $200 and $300 and it's generally recommended to let a professional mechanic perform the job. It's not easy due to the fact that you may need remove other parts like the steering column, to reach the ignition cylinder. Depending on the model of your vehicle the replacement process may be accompanied by the need to disable the airbag system, and then you'll need change the programming of your key to work with the new cylinder. This is typically done at an authorized dealer, but you can learn how to do it yourself using the right tools and instructions.