How to Repair an Ignition Lock Cylinder

If your car's keys isn't turning, it's time to change 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, "wafers" can break or become worn out. The use of WD-40 or graphite can temporarily solve the issue however replacement is the only solution that lasts.

Removal of the steering column

Modern cars do not use steering column locks. They use keys to start the vehicle by pressing and turning the switch on the dashboard panel. This modern system functions better and is much simpler than the lock-cylinder system of the past. Some older vehicles still employ the traditional lock cylinder. If this part is damaged, it might be necessary to replace it to allow the car ignition key replacement to start. This is not an activity for the novice and should be left to a professional.

With a screwdriver, take out the screws that hold the trim panels that surround the lower and upper steering column. This will allow you access to the area around the steering column.

On the side of the steering column that is closest to the driver, you'll notice an Allen head bolt that pins the assembly of the wiper and signal. Unscrew this bolt and place it aside. Depending on the year of your vehicle you might see 3 or 4 small screws with flat heads that hold the plastic on top of the turn-signal switch in place. Remove these screws and set them aside.

To get to the lock cylinder, you'll need to take off the signal/wiper unit. This requires the use of a specially designed tool or perform the task using a piece of metal like a cold chisel. Locksmiths are also able to use the shear bolt removal kit.

If you're unable to insert the key into the ignition switch the lock cylinder could be stuck. You can try inserting the key and moving it to the ACC position to depress the pin on the lock cylinder, or call an expert locksmith for assistance.

A locksmith will be able to use a shear cylinder removal tool or cut the pin off of the lock cylinder using a torch and then shave it down to remove it from the cylinder. They can re-key the cylinder to match your existing keys and save you the cost of buying a new ignition cylinder.

Replacing the Ignition Cylinder

The ignition Cylinder is a cylindrical mechanical device that is used to house and lock the key to your car. The cylinder "reads" the anti-theft code and then fits your key to turn on or off your vehicle. Over time the cylinder will wear out. It may also become bent or damaged. In this instance, you will need to replace the cylinder to get your car started.

A worn or broken cylinder can cause problems turning the key, or causing the ignition switch to not move into the ACC position or RUN, or a warning lamp to appear on the dashboard. If you have an extra key, put it in the lock. You may be able to smooth the cylinder using graphite or WD-40, but this method is only effective for a certain amount of time.

If you have a new key ignition replacement you can replace the ignition cylinder and follow the steps above to install it. When installing the new ignition cylinder, ensure that it is placed in the flange on the steering column tube and is correctly aligned with the keyway on the steering column shroud. Consult your car's manual or an expert to ensure that the cylinder is aligned correctly.

After the cylinder is installed then turn the ignition key to ACC or RUN. You should hear a click confirm that the ignition switch has been completely seated into the cylinder. If your car ignition key replacement has an anti-theft device, you will be required to go through the anti-theft relearn process to program the new ignition cylinder with your key.

Some experts suggest having a professional replace the ignition cylinder, as it is usually required to deactivate the airbag in the steering column to access the cylinder. The replacement may require removing 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 for your steering wheel and install a brand new ignition locking cylinder in your car. They'll also make sure that the ignition lock cylinder is programmed with your key and is working properly when you insert it.

Installing the Ignition Cylinder

Although ignition lock cylinders are becoming less necessary in modern vehicles because of advancements in remote start and push-to-start systems, they're common on older cars. If you're having difficulty getting your car started or the ignition switch is stuck it could be due to an issue with your ignition cylinder. Luckily, it's relatively easy to replace the ignition lock cylinder and fix the issue.

The ignition cylinder is the mechanical portion of the system that is inserted into your car's ignition switch and sends power to the rest of the engine. The ignition switch as well as the ignition cylinder are separate components. The switch is the electronic component that connects to the computer in your car and transmits 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. Every movement of the key and cylinder creates friction, which keeps the key in position. However, as time passes, the wafer tumblers can wear out. When the tumblers are worn down, your car's key won't be able slide into or turn the cylinder.

The first sign of trouble is usually a worn-out ignition coil in most 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 soon as 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 able to follow the proper procedure for your particular make and model of vehicle. You can do the job quickly and efficiently with a complete repair guide for your vehicle. If you are not comfortable installing the ignition cylinder on your own, you can have one of our ASE-certified mobile mechanics do the job for you at a convenient time and place.

Test the Ignition Cylinder

The ignition lock cylinder, also known as the ignition lock repair lock cylinder, is a mechanical part that fits on your key in order to enable it to turn and start your vehicle. It is mounted inside the ignition switch that locks the ignition and reads the anti-theft code to allow key turning. The cylinder that locks the ignition will wear out and eventually fail. This can cause problems with the vehicle's power supply or make it difficult to remove and insert keys.

Some of the most common indicators that your car's lock cylinder is in danger of failing is difficulty in starting it, or areas where the key gets caught when you turn it. These signs usually mean that the cylinder has damaged and needs replacement. You might even see a warning light flashing on your dashboard, signalling an imminent failure.

As the cylinder gets older it can be damaged through wear and wear and tear. This could cause the wafer tumblers and pins to wear down, cause damage or even break, which could stop your car's ignition from functioning. In some instances the ignition may work if you move it into different positions however this is a warning indicator that something is wrong.

You can examine the cylinder of your ignition and determine whether the cylinder or the key is damaged or worn out. You can test with a multimeter if there's voltage between the red wire of the module and the battery terminal of the ignition coil. If you don't find any voltage, then the module and switch probably need to be replaced.

It is recommended to hire a professional mechanic to Repair ignition lock cylinder the ignition cylinder as it could cost between $200 and $300. The process is made more complicated by the fact that you could need to remove other components to access the cylinder that controls ignition, including the steering column. Depending on the model of your vehicle the replacement process may also require disabling the airbag system, and you'll have to reprogram your key to work with the new cylinder. This can be done at the dealership however, you can also learn how to do it yourself with the appropriate tools and directions.