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How to Repair an Ignition Lock Cylinder

If your car's key isn't turning, it's time to change the ignition lock cylinder. In contrast to the switch, which is the electrical part of the ignition system, which sends power to your vehicle's engine the lock cylinder is the mechanical tumbler your key is able to slide into.

Over time, "wafers" can break or become worn out. Utilizing WD-40 or graphite may temporarily resolve the issue but replacement is the only way to fix it permanently.

Removal of the Steering Column

Modern cars do not use steering column locks. They use keys to start the car by pressing and rotating a switch in the dash panel. This modern system works more efficiently and is less complicated than the lock-cylinder system of the past. Certain older vehicles still use the old lock cylinder. If this part fails, it may 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 steering columns with a screwdriver. This will allow access to the area around the steering column.

You will find an Allen head bolt on the side of the steering wheel that is closest to the driver. It holds the unit for the wiper/signal unit in the correct position. Unscrew this bolt and set it aside. Based on the year of your car you might find three or four small screws with flat heads that hold the plastic that covers the turn signal switch in place. Take these screws off and put them aside.

In order to get at the lock cylinder, you'll need to dismantle the wiper/signal assembly. This requires the use of a special tool or you can ghetto perform the task using the help of a piece of metal, such as a cold chisel. Locksmiths can also utilize an instrument to remove bolts.

If you are 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 and then move it to the ACC to depress the pin of the lock cylinder.

A locksmith can use a shear tool to remove the lock cylinder, or they can use a torch to cut the pin and then shave the pin to take it off. They can also re-key your ignition cylinder to ensure it matches the keys you already have. This will save you money on a new ignition.

Replace the Ignition Cylinder

The ignition cylinder is the cylindrical mechanical component that houses and locks your car's key. The cylinder "reads" the anti-theft code and then fits your key to turn on or off your vehicle. The cylinder wears down over time. It can also break or become bent. In this situation you'll need to replace the cylinder in order to get your car running.

Signs of a damaged or worn cylinder can be seen in problems when turning your key or the ignition switch not advancing into the ACC or RUN position, or a warning light appearing on the dash. If you have a spare, try using it in the lock. auto locksmith ignition replacement might be able smooth the cylinder using graphite or WD-40, but this method is only effective for a limited time.

Replace the ignition cylinder if have an additional key. Follow the steps above to install the new ignition cylinder. When installing the new ignition cylinder make sure it is properly installed within the steering column tube flange and is properly aligned with the keyway on the shroud of the steering column. Refer to the car's manual or an expert to ensure that the cylinder is properly aligned.

Once 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 seated within the cylinder. If your vehicle has an anti-theft system, you'll have to go through 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 the cylinder in your ignition. This is due to the fact that it's often necessary to disable the airbag on the steering column in order for access to the cylinder. In addition, the replacement process will likely require removal and replacement of the steering wheel and ignition covers. This is why you should let a professional mechanic with experience. They'll be able to take off the steering column cover and install a brand new ignition lock cylinder into your vehicle. They'll also be able verify that the ignition lock cylinder is programmed with your key and that it is working properly when you insert it.

Installing the Ignition Cylinder

Although ignition lock cylinders are becoming less necessary in modern vehicles thanks to advancements in push-to-start and remote start systems, they are still prevalent on older vehicles. If your ignition switch or key is stuck, or if you're having trouble starting the vehicle the problem could be due to a malfunctioning ignition lock cylinder could be the cause. It's easy to fix the issue by replacing the cylinder of the ignition lock.

The ignition cylinder is the part of the system that slides into your car's ignition switch and provides power to the rest of the engine. The ignition switch and the ignition cylinder are separate components. The switch is the electrical component that connects to your car's computer and transmits signals to activate the motor when you turn the key.

The ignition lock cylinders have pins that move up and down to allow your key to slide into and rotate within the cylinder. Every movement of the key and cylinder creates a little friction that keeps the key in place but over time, these tiny movements can cause the wafer tumblers to wear down. When the tumblers are worn down and the key is no longer able to slide into the cylinder, it will be unable to slide into the cylinder or rotate it.

The first sign of trouble is usually a worn-out ignition coil that is found in the majority of automobiles. The key could be stuck and make it difficult to insert into or out of the ignition lock cylinder. These are all indications that your ignition lock cylinder should be replaced as soon as possible.

Replacing the ignition cylinder on your vehicle isn't difficult, but it is a job that should be done by a skilled do-it-yourselfer only if you're confident enough to follow the correct procedure for your specific make and model of vehicle. You can do the job quickly and correctly with a complete repair manual for your vehicle. If you are not comfortable installing the ignition cylinder on your own it is possible to have one of our ASE-certified mobile mechanics complete the work for you at a time and place.

Testing the Ignition Cylinder

The ignition lock cylinder, also known as the ignition lock cylinder is a mechanical component that fits your key in order to enable it to turn and start your vehicle. It's affixed to the ignition switch which is locked to the ignition and reads anti-theft codes to allow key turning. The cylinder that locks the ignition may wear out and eventually fail. This can cause problems with the power of your vehicle or make it difficult to insert and remove keys.

The most obvious signs that a car's lock cylinder is preparing to fail is difficulty starting your car or locating places where the key gets stuck when you try to turn it. These problems are usually a sign that the cylinder must be replaced. In some instances you may notice an alert light on your dashboard that indicates an imminent failure.

As the cylinder ages it can be damaged by corrosion or wear and tear. This can cause the pins and tumblers to wear out, damage or break and stop your car's ignition from unlocking. The ignition may still work in certain situations if you move it around. However this could be a sign that something is wrong.

You can test the cylinder in your ignition and see whether the cylinder or the key is damaged or worn out. You can use a multimeter to determine whether there is a voltage difference between the red wire connector of the module and the battery terminal of the ignition coil. If you are unable to detect any voltage then the switch and module are likely to need to be replaced.

The replacement of the ignition cylinder usually costs between $200 and $300 and it's usually best to hire a professional mechanic perform the task. It can be complicated because you may have remove other components like the steering column, to access the ignition cylinder. The replacement process may require you to disable the airbag system and reprogram your key to work with the new ignition cylinder. It is usually done by an agent. However, you could do it yourself if you have the proper tools and instructions.