How to Repair Ignition Lock Cylinder [Http://Www.Stes.Tyc.Edu.Tw/] an Ignition Lock Cylinder

If your car's keys will not turn, it's time change the ignition lock cylinder. The lock cylinder is a mechanical tumbler which your key slides into, and not the switch, which is an electrical component of the ignition system.

Over time, these "wafer" tumblers will wear out or break. 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 a steering column lock cylinder. They use keys to start the vehicle by pressing and rotating a switch in the dash panel. This newer system works much better and is simpler than the older lock-cylinder method. However, there are a few older vehicles that use the traditional ignition lock cylinder. If this component fails, it could be necessary to replace it to get the car started. This is a job that should be left to experts.

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

On the side of the column that is closest to the driver, you'll find an Allen head bolt that holds the signal and wiper assembly to the column. Remove this bolt and place it aside. Based on the year of your car, you may have 3 or 4 small screws with flat heads that secure the plastic cover that covers the turn signal switch. Remove these screws and set them aside.

To access the lock cylinder you will have to take off the wiper/signal unit. You can make use of a specific tool to accomplish this, or ghetto it with the help of a piece of metal, for example a cold-chisel. Locksmiths will also be able to use a shear bolt removal kit.

If the key cannot be put into the ignition switch, it's likely that the lock cylinder is stuck. You can either contact a locksmith or insert the key into the ignition switch and then move it to the ACC to depress the pin of the lock cylinder.

A locksmith will be able to use a shear cylinder removal tool or they can cut the pin off the lock cylinder using an electric torch, and then shave it to remove it from the assembly. They can replace the cylinder's keys to match your current keys and will save you the cost of a new ignition cylinder.

Replacing the Ignition Cylinder

The ignition Cylinder is a cylindrical mechanical device that houses and locks 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. Over time the cylinder will wear out. It may also break or get bent. If this occurs, the cylinder will require replacement to allow your vehicle to begin.

Symptoms of a broken or worn cylinder include problems with turning your key, or with the ignition switch not advancing into the ACC or RUN position, or with a warning light appearing on the dashboard. If you have an extra key, put it inside the lock. You might be able to make the cylinder more pliable using graphite or WD-40. However, this technique only works for a certain amount of time.

If you've got a new key, replace the ignition cylinder and follow the steps above to install it. When installing the new ignition cylinder make sure it is properly installed in the steering column tube flange and is aligned correctly with the keyway on the shroud of the steering column. If you're unsure about the proper alignment of the cylinder, refer to your vehicle's repair manual or an automotive expert.

Once the cylinder has been installed, turn the ignition key to ACC or RUN. Listen for a click that indicates the ignition switch is fully set within the cylinder. If your vehicle is equipped with an anti-theft system, you'll have to follow the anti-theft relearning procedure for the new ignition cylinder in order to program it to your key.

Some experts recommend that you have a professional replace your ignition cylinder. This is due to the fact that it is often necessary to disable the steering column airbag for access to the cylinder. The replacement will also likely require removing the steering wheel and ignition covers. This is a task best left to a professional mechanic. They will be able remove the cover on your steering wheel and install a brand new ignition locking cylinder inside your car. They'll also be able make sure that the ignition lock cylinder has been programmed with your key, and that it will start correctly when you insert it.

Installing the Ignition Cylinder

Even though cylinders for ignition locks have become less important in modern vehicles due to remote start and push-tostart systems older cars still use them. If your car's ignition switch is stuck, or if you're having difficulty starting your car it's possible that a damaged ignition lock cylinder could be the reason. It's easy to fix your car's issue by replacing the cylinder of the ignition lock.

The ignition cylinder is the part 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 the ignition cylinder are separate components. The switch is the electrical portion that connects to the computer in your car and sends signals to activate the motor when you turn the ignition key.

Ignition lock cylinders feature pins that move upwards and downwards to allow your key to slide into and rotate inside the cylinder. Every movement of the cylinder and the key creates a small amount of friction that helps keep the key in place but over time, these small movements can cause the tumblers on the wafer to wear down. If the tumblers get worn out the key will not be able slide into the cylinder or rotate it.

A worn-out ignition cylinder is usually the first indication of trouble in most vehicles. However, the key could be stuck and become difficult to remove or insert from the ignition cylinder. These are signs that you should replace your ignition lock cylinder as soon as possible.

It's easy to change your ignition cylinder, however, you should only do it if are confident that you can follow the correct procedure for your specific make and model. You can complete the job quickly and accurately with a complete repair guide for your vehicle. If you're not comfortable installing the ignition cylinder on your own, have one of our ASE certified mobile mechanics complete the repair for you at a time and location that is convenient for you.

Test the Ignition Cylinder

The ignition lock cylinder is a mechanical component that is fitted to your key and allows it to turn and start your car. It's located inside the ignition switch that locks the ignition and reads anti-theft coding to permit the key to turn. The cylinder for the ignition lock will wear out and eventually fail. This can cause issues with your vehicle's power or make it difficult to remove and insert keys.

The most obvious indicators that a lock cylinder is about to go bad include difficulty starting your vehicle or finding locations where the key is stuck when you try to turn it. These are usually an indication that the cylinder is in need of be replaced. In certain instances you may notice an alert light on your dashboard that signals an imminent failure.

As the cylinder gets older, it may be damaged by corrosion or wear and tear. This could cause the wafer tumblers and pins to wear out, damage or even break, which could make it impossible for your car's ignition to continue functioning. The ignition could still function in some cases by moving it around. However, this could be a sign that something is wrong.

You can check your ignition cylinder and see whether the cylinder or the key 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 do not find any voltage or a switch, the module will most likely require replacement.

Replacing the ignition cylinder typically costs between $200 and $300 and it's recommended to hire a professional mechanic perform the task. It's not easy because you may have remove other parts, such as the steering column, to access the ignition cylinder. Depending on the model of your vehicle, the replacement procedure can also require you to disable the airbag system, and you'll need change the programming of your key to work with the new cylinder. This is typically done at the dealership however, you can learn how to do it yourself using the proper tools and instructions.