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, and not the switch that is an electrical component of the ignition system.
Over ignition key replacement cost , "wafers" can break or become worn out. Using WD-40 or graphite may temporarily resolve the issue, but replacement is the only solution that lasts.
Removing the steering column
Most modern cars no longer use a steering column lock cylinder. Instead, they utilize keys that can be used to start the car by pressing and turning a switch on the dashboard panel. This newer system works much better and is simpler than the older lock-cylinder method. However, there are some older cars that still employ the traditional ignition lock cylinder. If this part fails, you may need to replace it in order to start the vehicle. This is not a job for the novice and is best left to professionals.
Using a screwdriver, remove the fasteners holding the trim panels that surround the lower and upper steering column. This will give you access to the area around the steering column.
On the side of the column closest to the driver, you'll find an Allen head bolt that pins the wiper/signal assembly in place. Remove the bolt and set it away. Depending on your car's year you might find 3 or 4 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'll have to take off the wiper/signal unit. This will require the use of a special tool or do it with the help of a piece of metal, such as a cold chisel. A locksmith can also use a bolt removal kit.
If you can't insert the key into the ignition switch the lock cylinder might be stuck. You can call locksmiths or insert the key into the ignition switch and then move it to the ACC to press the lock cylinder's pin.
A locksmith can employ the shear tool to remove the lock cylinder, or they can make use of a torch to cut the pin, then shave the pin to take it off. They can also re-key your ignition cylinder so that it matches the keys you already have. This will save you money on the purchase of a new ignition.
Replace the Ignition Cylinder
The ignition cylinder is the cylindrical mechanical component that houses and secures your car's key. The cylinder "reads" the anti-theft codes and matches your key to turn on or off your car. The cylinder wears down over time. It could also be bent or broken. If this occurs, the cylinder will require replacement in order for your vehicle to start.
A damaged or worn cylinder could cause issues turning the key, or causing the ignition switch to not move into the ACC position or RUN or a warning light to appear on the dashboard. If you have a spare, consider using it in the lock. You may be able to finesse the cylinder with some graphite or WD-40. However, this technique only works for a certain amount of time.
Replace the ignition cylinder when you have an alternative key. Follow the instructions above to install the new ignition cylinder. When installing the new ignition cylinder, make sure it is properly placed in the flange of the steering column tube and is aligned correctly with the keyway on the shroud for the steering column. If you're unsure about the proper alignment of the cylinder, refer to your vehicle's repair manual or an expert.
Once the cylinder has been installed and the ignition switch is turned to ACC or RUN. You should hear a click confirm that the ignition switch has been completely seated into the cylinder. If your vehicle is equipped with an anti-theft system, you will have to go through the anti-theft relearn procedure for the new ignition cylinder to program it to your key.
Some experts recommend hiring a professional to replace the ignition cylinder since it is typically necessary to disable the airbag in the steering column to access the cylinder. Furthermore, the replacement will likely involve removal and replacement of the ignition and steering wheel covers. This is why it's best to leave this job to an experienced mechanic. They'll be able to remove the steering wheel cover and replace it with a new ignition locking cylinder into your car. They will also be able make sure that the ignition lock cylinder has been programmed by your key and that it is properly started when you insert it.
Installing the Ignition Cylinder
While ignition lock cylinders are becoming less important in modern vehicles thanks to advancements in remote start and push-tostart systems, they are still widespread on older cars. If you have trouble getting your car started or the ignition switch is not working, it could be a defective ignition cylinder. It's simple to fix your car's issue by replacing the cylinder for your ignition lock.
The ignition cylinder is the mechanical portion of the system that is inserted into the ignition switch of your car and supplies power to the rest of the engine. While many people confuse the term "ignition switch" with the ignition cylinder, they are actually two separate components. The switch is an electrical device that connects with your car's computer to transmit signals to turn on the engine 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. Each movement of the cylinder and the key creates a tiny friction that keeps the key in place, but over time, these tiny movements could cause the wafer tumblers to wear down. If the tumblers wear down, the key of your car won't be able to slide into or rotate the cylinder.
The first sign of trouble is usually a worn ignition coil that is found in the majority of automobiles. The key may be stuck and make it difficult to insert into or out of the ignition lock cylinder. These are signs that you should replace your ignition lock cylinder as fast as you can.
It's not a big deal to replace the ignition cylinder, but you should only do it if you are certain that you will follow the correct procedure for your specific model and make. A complete repair manual for your car can help you get the job done quickly and correctly. If you're not comfortable installing the ignition cylinder yourself it is possible to have one of our ASE-certified mobile mechanics perform the job for you at a convenient time and location.
Test the Ignition Cylinder
The ignition lock Cylinder is a mechanical piece that is fitted to your key and allows it to turn and start your car. It is mounted inside the ignition switch that secures the ignition, and reads the anti-theft codes to allow key turning. The ignition lock cylinder 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.
The most obvious signs that a car's lock cylinder is preparing to go bad include difficulty getting your car started or locating places where the key gets stuck when you try to turn it. These problems are usually an indication that the cylinder needs to be replaced. You may even see an alert light flashing on your dashboard to indicate an imminent failure.
As the cylinder ages it is likely to be damaged by corrosion or wear and tear. This could cause the pins and wafer tumblers to wear down and break and stop the ignition of your car from unlocking. In certain instances, the ignition will still work if you jostle it into different positions, but this is a warning indication that something is wrong.
You can test the cylinder of your ignition to determine if it's worn out or if the key is bent or damaged. You can use a multimeter to determine whether there is a voltage difference between the red wire of the module and the battery terminal of the ignition coil. If you are unable to detect any voltage or a switch, the module will most likely need to be replaced.
It is recommended to hire an expert mechanic to replace the ignition cylinder, as it can cost between $200 to $300. The process is made more complicated by the fact that you could need to remove other components to access the cylinder for ignition, such as the steering column. Depending on your vehicle, the replacement procedure can be accompanied by the need to disable the airbag system, and you'll have to reprogram your key to work with the new cylinder. This process is usually done by an authorized dealer, but you can learn how to do it yourself with the right tools and instructions.