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How to Repair an Ignition Lock Cylinder

If your car's ignition and key replacement key won't turn, it's time to replace the ignition lock cylinder. The lock cylinder is a tumbler made of mechanical that your key slides into, as opposed to the switch that is an electrical component of the ignition system.

Over time, these "wafer" tumblers wear out or break. WD-40 and graphite may temporarily fix the issue, but replacing the tumblers is the only option.

Eliminating the Steering Column

Modern cars do not use steering column locks. Instead, they have keys that are used to start the vehicle by pressing and turning a switch on the dashboard panel. This newer system is much simpler and more effective than the older lock cylinder method. However, there are some older cars that still use the traditional ignition lock cylinder. If this part fails, it could be necessary to replace it to get the car started. This isn't a task for the beginner and should be left to a professional.

Using a screwdriver, remove the fasteners that hold the trim panels covering the lower and upper parts of the steering column. This will allow access to the area surrounding the steering column.

You will see an Allen head bolt on the side of the steering wheel closest to the driver. This bolt keeps the signal unit and wiper in place. Take this bolt off and set it aside. Based on the year of your car, you might have 3 or 4 small screws with flat heads that secure the plastic cover that covers the turn signal switch in place. Remove these screws and place them aside.

To get to the lock cylinder you will have to take off the wiper/signal unit. You can use a special tool to remove it or ghetto it with an object of metal, such as a cold-chisel. A locksmith will also be equipped with a shear bolt removal kit.

If you are unable to 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 release the pin on the lock cylinder, or you can contact a locksmith for assistance.

A auto locksmith ignition replacement can employ a shear cylinder removing tool or cut the pin off of the lock cylinder using an electric torch, and then shave it down to remove it from the assembly. They can re-key your ignition cylinder to ensure it matches the keys you already have. This will save you money on the purchase of a new ignition key replacement cost.

Replace the Ignition Cylinder

The ignition cylinder is the cylindrical mechanical part that houses and secures your car's key. The cylinder is affixed to the key and "reads" anti-theft code to allow or denial of the starting of your vehicle. The cylinder wears down over time. It can also be bent or damaged. In this case you'll need replace the cylinder in order to get your car started.

Symptoms of a broken or worn cylinder include problems with turning the key, or with the ignition switch not advancing into the ACC or RUN position, or a warning light appearing on the dashboard. If you have an extra key, put it inside the lock. You may be able use some WD-40 or graphite to fine-tune the cylinder, but this only works for a limited time.

Replace the ignition cylinder if you have a replacement key. Follow the steps above to install the new ignition cylinder. When installing the new ignition cylinder, ensure that it is seated in the steering column tube flange and is properly aligned with the keyway on the shroud for the steering column. If you are unsure of the correct alignment of the cylinder, refer to your vehicle's repair manual or an expert.

Once the cylinder has been installed, turn the ignition key to ACC or RUN. Listen for the click to confirm that the ignition switch is fully seated in the cylinder. If your vehicle has an anti-theft device, you will need to perform the anti-theft relearn process 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 airbag in the steering column for access to the cylinder. In addition, the replacement process is likely to involve removal and replacement of the steering wheel and ignition covers. Because of this, it is a task best left to a professional mechanic. They'll be able to take off the cover on your steering wheel and install a brand new ignition locking cylinder into your car. They'll also be able to make sure that the ignition lock cylinder is programmed using your key, and that it starts correctly when you insert it.

Installing the Ignition Cylinder

While ignition lock cylinders are becoming less necessary in modern vehicles because of advancements in push-to-start and remote start systems, they are still prevalent on older vehicles. If you're having difficulty starting your car or the ignition switch is not working, it could be a defective ignition cylinder. Luckily, it's relatively easy to replace the ignition lock cylinder, and then fix the problem.

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

Pins on ignition lock cylinders move up and down, which allows your key to slide and rotate inside the cylinder. Each movement of the cylinder and key creates friction, which keeps the key in place. However, as time passes, the wafer tumblers can wear out. When the tumblers wear down, the key will be unable to slide into the cylinder, or turn it.

The first indication 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 all indications that the ignition lock cylinder needs to be replaced as soon as it is possible.

Replacing your ignition cylinder is not difficult, but it is a job that should be done by a professional do-it-yourselfer if you're confident enough to follow the right procedure for your specific make and model of vehicle. You can complete the job quickly and accurately with a complete repair ignition lock cylinder - recommended you read, guide for your vehicle. If you're not confident in installing the ignition cylinder on your own then let one of our ASE certified mobile mechanics do the repair for you at a time and place that's convenient for you.

Test the Ignition Cylinder

The ignition lock cylinder, also known as the ignition lock cylinder is a mechanical component that is fitted to your key in order to enable it to turn and start your car. It is inserted into the ignition switch that locks the ignition, and reads the anti-theft code to allow the key to turn. The cylinder for the ignition lock may wear out and eventually fail. This could cause issues with your vehicle's power or make it difficult to insert and remove keys.

The most common signs that a car's lock cylinder is preparing to go bad include difficulty getting your car started or locating positions where the key gets stuck when you attempt to turn it. These issues are typically a sign that the cylinder needs to be replaced. You may even see an alert light flashing on your dashboard to indicate the possibility of a failure.

As the cylinder age it can be damaged due to wear and wear and tear. This can cause the pins and tumblers to break down, damage or break and prevent the ignition of your car from working. The ignition might still work in some instances if you move it around. However, this could indicate something is not right.

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

It's best to hire a professional mechanic to repair the ignition cylinder as it can cost between $200 to $300. The process is made more complicated by the fact that you might need to remove 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 in order to work with the new ignition cylinder. This can be done at a dealer however, you can learn how to do it yourself by using the proper tools and instructions.