Who's The World's Top Expert On Repair Ignition Lock Cylinder?
How to Repair an Ignition Lock Cylinder
If your car's ignition key will not turn, it's time to replace the cylinder that controls the ignition. The lock cylinder is a tumbler made of mechanical that your key can slide into, in contrast to the switch that is an electrical component of the ignition system.
Over time, "wafers" can break or wear out. Using WD-40 or graphite can temporarily resolve the issue but replacement is the only way to fix it permanently.
Removing the steering column
Modern cars do not have steering column locks. Instead, they have keys that are used to start the vehicle by pressing and turning an on the dash panel. This newer system is much simpler and more efficient than the traditional lock cylinder method. Some older vehicles still employ the traditional lock cylinder. When this part fails, you may require replacing it to be able to start the vehicle. This is not a job for the novice and should be left to professionals.

With a screwdriver, take out the screws that hold the trim panels covering the upper and lower steering column. This will allow you to access the area around the steering column.
You will see an Allen head bolt on the side of the steering wheel that is closest to the driver. This bolt holds the unit for the wiper/signal unit in the correct position. Unscrew the bolt and put it aside. Depending on your car's year you might find three or four small screws with flat heads that hold the plastic on top of the turn-signal switch in place. Unscrew these and set them aside.
To get to the lock cylinder, you will need to dismantle the wiper/signal assembly. You can either employ a special tool accomplish this, or ghetto it using the help of a piece of metal, for example a cold-chisel. Locksmiths can also make use of an instrument to remove bolts.
If you can't insert the key into the ignition switch the lock cylinder might be stuck. You can either call a locksmith or insert the key into the ignition switch, then move it to the ACC to press the pin of the lock cylinder.
A locksmith can use a shear cylinder removal tool or cut the pin from the lock cylinder with torch and then shave it down to take it off the lock. They can also re-key your ignition cylinder so that 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 mechanical cylinder that houses and secures your car's key. The cylinder "reads" the anti-theft code and fits your key to start or stop your car. As time passes, the cylinder can wear out. It may also become bent or damaged. In this case, you will need to replace the cylinder to start your car.
A damaged or worn cylinder may cause issues when turning the key, or the ignition switch will not move into the ACC position or RUN, or a warning light to show up on the dashboard. If you have an extra key, use it in the lock. You might be able make the cylinder more pliable using graphite or WD-40, however this technique only works for a limited time.
Replace the ignition cylinder if have an additional key. Follow the instructions above to install the new ignition cylinder. Install the new ignition cylinder by making sure it's securely placed into the steering column tube flange and aligned with keyway on the shroud. If you're not sure about the correct alignment of the cylinder, consult your car's repair manual or an automotive expert.
After ignition and key replacement is installed then turn the ignition key to ACC or RUN. Listen for the click to confirm that the ignition switch has been completely seated into the cylinder. If your vehicle has an anti-theft device, you will need to perform the anti-theft relearn procedure for the new ignition cylinder to program it to your key.
Some experts recommend that you have a professional replace the cylinder in your ignition. This is because it's often necessary to disable the airbag in the steering column for access to the cylinder. Additionally, the replacement will likely require removing and replacing 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 new ignition locking cylinder into your car. They'll also be able make sure that the ignition lock cylinder is programmed with your key, and that it starts correctly when you insert it.
Installing the Ignition Cylinder
Even though ignition lock cylinders have become less important in modern vehicles due to remote start and push-tostart systems, older cars still use these cylinders. If you're having trouble getting your car started or the ignition switch is faulty, it could be an issue with your ignition cylinder. It's a good thing that it's fairly easy to replace your car's ignition lock cylinder and fix the issue.
The ignition cylinder is a mechanical component of the system which connects to the ignition switch of your car and provides power to rest of the engine. Many people confuse the phrase "ignition switch" with the ignition cylinder, they are actually two separate 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 ignition key.
The pins on the cylinders of ignition locks move up and down, which allows your key to slide 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 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 rotate the cylinder.
The first indication of trouble is usually a worn ignition coil in the majority of cars. The key can also get stuck and be difficult to insert into or remove from the ignition lock cylinder. These are indicators that you should replace the ignition lock cylinder as fast as possible.
Replacing your ignition cylinder is not difficult, but it is something that should be completed by a professional do-it-yourselfer if you're able to follow the proper procedure for your specific brand and model of vehicle. A full repair manual for your vehicle will help you get the job done efficiently and correctly. If you're not comfortable installing the ignition cylinder yourself then let one of our ASE certified mobile mechanics complete the repair for you at a time and place that is convenient for you.
Test the Ignition Cylinder
The ignition lock Cylinder is a mechanical piece that is fitted to your key and allows it to rotate and start your vehicle. It's mounted inside the ignition switch that locks the ignition and reads the anti-theft code to permit the key to turn. The ignition lock cylinder will wear out and eventually fail. This can cause issues with the vehicle's power supply or make it difficult to insert and remove keys.
The main signs that a car's lock cylinder is about be damaged is having trouble starting your vehicle or finding positions where the key gets stuck when you try to turn it. These are usually a sign that the cylinder needs to be replaced. In some instances you may notice an indicator light on your dashboard that signals the possibility of a failure.
As the cylinder gets older it may be damaged due to corrosion or wear and tear. This could cause the wafer tumblers and pins to wear out, cause damage or even break, which will prevent your car's ignition from working. The ignition may still work in certain situations if you move it around. However, this could be a sign that something is not right.
You can check the cylinder's ignition to see whether it's worn-out or the key is bent or damaged. 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, then the switch and module are likely to require replacement.
It is best to engage an expert mechanic to replace the ignition cylinder as it can cost between $200 to $300. It's not an easy task due to the fact that you may need to remove other components such as the steering column, in order to reach the ignition cylinder. Depending on your vehicle the procedure for replacing it may also require disabling the airbag system, and then you'll need change the programming of your key to work with the new cylinder. This can be done at an authorized dealer, but you can learn how to do it yourself with the proper tools and instructions.