How to Repair an Ignition Lock Cylinder

If your car's key will not turn, it's time to replace the cylinder for ignition lock. The lock cylinder is a mechanical tumbler that your key slides into, in contrast to the switch that is an electrical part of the ignition system.

Over time, "wafers" can break or wear out. WD-40 and graphite can temporarily solve the problem but replacing the tumblers is the only way to fix it.

Removal of the Steering Column

Modern cars do not use steering column locks. Instead, they utilize keys that can be used to start the vehicle by pressing and turning an on the dashboard panel. This modern system works better and is much simpler than the older lock-cylinder method. Some older cars still use the traditional lock cylinder. If this part fails, you may require replacing it in order to restart the vehicle. This is a job that should be left to experts.

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

On the side of the column closest to the driver, you will see an Allen head bolt that holds the signal and wiper assembly to the column. Unscrew this bolt and set it aside. Depending on your car's year you might find three or four small screws with flat heads that keep the plastic over the turn-signal switch in place. Take these screws off and put them aside.

To get to the lock cylinder, you'll have to take off the signal/wiper assembly. You can either make use of a specific tool to do this or ghetto it with the help of a piece of metal, for example a cold-chisel. Locksmiths are also capable of using a shear bolt removal kit.

If you can't insert the key into the ignition switch the lock cylinder might be stuck. Try inserting the key and then moving it to the ACC position to press the lock cylinder pin or you can call a locksmith for assistance.

A locksmith can employ a shear cylinder removing tool or cut the pin off of the lock cylinder using torch and then shave it down to remove it from the cylinder. They can re-key the cylinder to match your current keys and will help you save the expense of purchasing a new ignition cylinder.

Replace the Ignition Cylinder

The ignition Cylinder is the mechanical cylinder which houses and locks your car's key. The cylinder fits the key and "reads" anti-theft code to allow or denial of the starting of your vehicle. The cylinder is susceptible to wear and tear over time. It could also break or become bent. In this instance, you will need to replace the cylinder in order to get your car running.

The signs of a damaged or worn cylinder can be seen in problems when turning your key or with the ignition switch not moving into the ACC or RUN position, or with a warning light appearing on the dashboard. If you have a spare, try using it in the lock. You could try using some WD-40 or graphite to adjust the cylinder's settings, but this is only effective for a brief period of time.

If you have a new key to replace the ignition cylinder, and follow the steps above to install it. Install the new ignition cylinder making sure it's securely placed into the steering column tube flange and aligned to the keyway on the shroud. If you're not sure about the correct alignment of the cylinder, check your car's repair manual or an automotive expert.

Once the cylinder is in then turn the key to the ACC or RUN position. Watch for a click to confirm that the ignition switch is fully seated in the cylinder. If your car has an anti-theft system, you will need to follow the anti theft relearn procedure to programme the new ignition cylinder into your key.

Some experts suggest hiring a professional to replace your ignition cylinder. This is because it's often necessary to disable the airbag in the steering column in order to access the cylinder. The replacement may require removing the steering wheel and ignition covers. This is why you should leave this job to an experienced mechanic. They'll be able to take off the cover for your steering wheel and install a brand new ignition locking cylinder into your vehicle. They'll also be able to verify that the lost ignition key lock cylinder is programmed using your key and starts correctly when you insert it.

Installing the Ignition Cylinder

Although cylinders for ignition locks are becoming less necessary in modern vehicles thanks to advances in remote start and push-tostart systems, they are still prevalent on older vehicles. If you're having difficulty starting your car or if the ignition switch is not working, it could be an issue with the ignition cylinder. It's easy to fix ignition switch your car ignition switch repair's issue by replacing the cylinder of the ignition lock.

The ignition cylinder is the mechanical portion of the system that is inserted into your car's ignition switch and provides power to the rest of the engine. While many people confuse the term "ignition switch" with the ignition cylinder, they're 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 within the cylinder. Each movement of the key and cylinder creates friction that 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 won't be able slide into or rotate the cylinder.

The first sign of trouble is usually a worn ignition coil in most cars. However, the key may also begin to stick and become difficult to insert or remove from the cylinder. These are all indications that the ignition lock cylinder must be replaced as soon as it is possible.

Replacing your ignition cylinder isn't difficult, but it's something that should be done by a trained DIYer only if you're able to follow the right procedure for your particular make and model of vehicle. A complete repair ignition lock cylinder (site) manual for your vehicle will help you get the task done quickly and accurately. If you're not comfortable installing the ignition cylinder on your own, have one of our ASE certified mobile mechanics perform the repair for you at a time and place that is convenient for you.

Test the Ignition Cylinder

The ignition lock cylinder is a mechanical part that is fitted to your key and permits it to rotate and start your vehicle. It is mounted inside the ignition switch that locks the ignition, and reads the anti-theft codes to allow key turning. The ignition key replacement lock cylinder can wear out and eventually fail. This could cause issues with the vehicle's power supply or make it difficult to insert and remove keys.

The most obvious indicators that a lock cylinder is preparing to fail is difficulty starting your car or locating locations where the key is stuck when you try to turn it. These problems usually mean that the cylinder is damaged and needs replacement. In some cases you may even see an indicator light on your dashboard that indicates an impending 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 out and break and prevent your car's ignition from unlocking. In some instances the ignition may work if you move it around but this is a warning sign that something could be wrong.

You can check the cylinder in your ignition and see if the key or cylinder is damaged or worn out. You can use a multimeter to check whether there's a voltage connection between the red wire connector of the module and the battery terminal of the ignition coil. If you don't find any voltage or a switch, the module are likely to require replacement.

It is best to engage an expert mechanic to repair the ignition cylinder as it can cost anywhere between $200 to $300. The process is complicated by the fact that you might have to take other parts to access the cylinder for ignition, such as the steering column. Based on the vehicle you have the procedure for replacing it may be accompanied by the need to disable the airbag system, and then you'll need to reprogram your key to work with the new cylinder. This can be done at a dealer however, you can also learn how to do it yourself using the appropriate tools and directions.