How to Repair an Ignition Lock Cylinder

If your car's keys will not turn and it's time to replace the ignition lock cylinder. The lock cylinder is a mechanical tumbler that your key can slide into, and repair ignition lock Cylinder not the switch that is an electrical component of the ignition system.

Over time, "wafers" can break or become worn out. The use of WD-40 or graphite can temporarily resolve the issue, but replacement is the only permanent solution.

Removing the steering column

Modern cars do not have steering column locks. They use a key to start the vehicle by pressing and rotating an electronic switch located in the dash panel. This newer system works much better and is simpler than the older lock-cylinder method. However, there are older vehicles that use the traditional ignition lock cylinder. If this component fails, you might need to replace it in order to start the vehicle. This isn't a task for the novice and should be left to a professional.

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

On the side of the column that is closest to the driver, you will find an Allen head bolt that pins the signal and wiper assembly to the column. Unscrew this bolt and place it aside. Based on the year of your car you might find 3 or 4 small screws with flat heads, which hold the plastic over the turn-signal switch in place. Unscrew them and put them aside.

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

If you're unable to insert the key into the ignition switch, the lock cylinder may be stuck. You can either call locksmiths or insert the key into the ignition switch, then move it to the ACC to press the lock cylinder's pin.

A locksmith will be able to employ a shear cylinder removing tool or they can cut the pin off the lock cylinder using an electric torch, and then shave it to remove it from the cylinder. They can re-key the ignition cylinder to ensure it matches the keys you already have. This will save you money on an entirely new ignition.

Replace the Ignition Cylinder

The ignition Cylinder is the cylindrical mechanical part which houses and locks your car's key. The cylinder "reads" the anti-theft codes and matches your key to turn on or off your car. Over time, the cylinder can wear out. It could also be bent or broken. If this occurs, the cylinder will need to be replaced in order for your car to start.

Symptoms of a broken or worn cylinder can be seen in problems with turning the key, or the ignition switch not advancing into the ACC or RUN position, Repair Ignition Lock Cylinder or with a warning light appearing on the dash. If you have a spare, try using it in the lock. You might be able to make the cylinder more pliable using graphite or WD-40, but this method is only effective for so long.

If you've got a new key ignition replacement, replace the ignition cylinder, and follow the steps above to install it. When installing the new ignition cylinder ensure it is placed within the flange on the steering column tube and is properly aligned with the keyway on the steering column shroud. Refer to the car's manual or an expert to ensure the cylinder is correctly aligned.

After the cylinder has been installed, turn the ignition key to ACC or RUN. You should hear a click that signifies that the ignition switch has been fully installed in the cylinder. If your vehicle has an anti-theft system, you'll have to follow the anti-theft relearn procedure for the new ignition cylinder to program it to your key.

Some experts suggest that you have a professional replace your ignition cylinder. This is due to the fact that it's usually necessary to deactivate the steering column airbag for access to the cylinder. The replacement process will likely require removing the steering wheel and ignition covers. This is a job that should be left to an experienced mechanic. They'll be able remove the cover for the steering column and then properly install a new ignition lock cylinder in your vehicle. They'll also be able to ensure 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

Although ignition lock cylinders have been less significant in modern cars due to remote start and push-tostart technology, older cars still make use of these cylinders. If you have trouble starting your car or the ignition switch is not working, it could be an issue with your ignition cylinder. Luckily, it's relatively easy to replace your car's ignition lock cylinder, and then fix the problem.

The ignition cylinder is the part of the system that slides into the ignition switch in your car and supplies power to the rest of the engine. Many people confuse the phrase "ignition switch" with the ignition cylinder, they are two distinct components. The switch is the electrical component that connects to your car's computer and transmits signals to turn on the motor when you turn the key.

The pins on the cylinders of ignition locks move up and down, which allows your key to slide and rotate inside the cylinder. Each movement of the cylinder and the key creates a little friction that keeps the key in place but in time, these tiny movements could cause the wafer tumblers to wear down. When the tumblers are worn down, the key of your car won't be able to slide into or turn the cylinder.

The first indication of trouble is usually a worn out ignition coil in most cars. The key may be stuck and make it difficult to insert into or remove from the ignition lock cylinder. These are indications that you need to replace the 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 you are confident that you will follow the correct procedure for your vehicle's specific model and make. A complete Repair Ignition Lock Cylinder manual for your car can help you get the task done quickly and accurately. If you are not comfortable installing the ignition cylinder yourself You can let one of our ASE-certified mobile mechanics do the work for you at a time and location.

Test the Ignition Cylinder

The ignition lock Cylinder is a mechanical piece that fits your key and permits it to turn and start your car. It's affixed to the ignition switch that locks the ignition and reads anti-theft coding to permit the key to turn. The ignition lock cylinder is prone to wear and eventually fail, leading to problems with the power supply to your vehicle or making it difficult to insert and remove the key.

Some of the main indicators that your car's lock cylinder is about to fail is difficulties in starting it or locations where the key gets caught when you turn it. These signs usually mean that the cylinder has worn out and requires replacement. You may even see an alert light flashing on your dashboard to signal the possibility of a failure.

As the cylinder age it can be damaged through wear and tear. This can cause the wafer tumblers and pins to wear out, cause damage or even break, which can make it impossible for your car's ignition to continue working. In some instances, the ignition will still work if you move it into different positions but this is a warning sign that something could be wrong.

You can check the cylinder's ignition to see whether it's worn out, or the key is bent or damaged. If you have a multimeter, it is possible to back-probe the module's red connection and the battery terminal of the ignition coil to determine if there's any voltage. If you do not find any voltage or a switch, the module are likely to need to be replaced.

The replacement of the ignition cylinder usually costs between $200 and $300, and it's generally recommended to have an experienced mechanic complete the task. The process is complicated by the fact that you may need to remove other components to access the cylinder that controls ignition, including the steering column. The replacement process may require you to turn off the airbag system and reprogram 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 with the right tools and instructions.