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How to Repair an Ignition Lock Cylinder

If your car ignition switch replacement's key isn't turning and it's time to replace the ignition lock cylinder. The lock cylinder is a mechanical tumbler that your key slides into, in contrast to the switch which is an electrical component of the ignition system.

Over time they "wafer" tumblers can wear out or break. Utilizing WD-40 or graphite can temporarily solve the issue, but replacement is the only way to fix car ignition it permanently.

Eliminating the Steering Column

The majority of modern cars do not have a steering column lock cylinder. They make use of keys to start the car by pressing and turning a switch in the dashboard panel. This modern system functions more efficiently and is less complicated than the lock-cylinder system of the past. However, there are some older cars that still utilize the traditional ignition lock cylinder. If this part fails, it may be necessary to replace it to get the car ignition replacement started. This isn't a task for the novice and should be left to an experienced professional.

Remove the trim panels that cover the upper and lower columns of the steering using the help of a screwdriver. This will give you access to 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 that holds the unit for the wiper/signal unit in position. Unscrew this bolt and place it aside. Based on the year of your car, you may have three or four small screws with a flat head that secure the plastic cover that covers the turn signal switch in place. Remove these screws and place them aside.

To access the lock cylinder, you'll need to remove the wiper/signal assembly. 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 equipped with a shear bolt removal kit.

If you can't insert the key into the ignition switch the lock cylinder might be stuck. You can call an locksmith or insert the key into the ignition switch and then move it to the ACC to release the lock cylinder's pin.

A locksmith will be able to employ a shear cylinder removing tool or cut the pin off the lock cylinder with torch and then shave it down to take it off the lock. They will be able to change the cylinder's key to match your existing keys and will save you the cost of a new ignition cylinder.

Replace the Ignition Cylinder

The ignition Cylinder is a cylindrical mechanical device that houses and secures the key to your car. The cylinder "reads" the anti-theft code and fits your key to start or stop your vehicle. Over time the cylinder wears out. It could also break or become bent. In this case you'll need replace the cylinder to get your car running.

The signs of a damaged or worn cylinder can be seen in problems with turning your key, or the ignition switch not moving to the ACC or RUN position, or with a warning light appearing on the dash. If you have a spare, consider using it in the lock. You might be able to make the cylinder more pliable using graphite or WD-40, but this method only works for so long.

Replace the ignition cylinder if have an alternative key. Follow the instructions above to install the new ignition cylinder. Install the new ignition cylinder making sure it's properly seated into the steering-column tube flange, and aligned with the keyway on the shroud. Consult your car's manual or an expert to ensure that the cylinder is aligned correctly.

After the cylinder has been installed, turn the key to the ACC or RUN position. Watch for a click to confirm that the ignition switch is completely seated into the cylinder. If your car has an anti-theft system, you will be required to go through the anti-theft relearn procedure to programme the new ignition cylinder into your key.

Some experts recommend that you have a professional replace your ignition cylinder. This is because it's often necessary to disable the airbag on the steering column in order for access to the cylinder. Furthermore, the replacement will likely require removing and replacing the steering wheel and ignition covers. For these reasons, this is a task best left to a professional mechanic. They'll be able to remove the cover on the steering column and properly install a new ignition lock cylinder into your vehicle. They'll also be able to make sure that the ignition lock cylinder has been programmed by your key and that it will start correctly when you insert it.

Installing the Ignition Cylinder

Although ignition lock cylinders are becoming less essential in modern vehicles thanks to advances in push-to-start and remote start systems, they're prevalent on older vehicles. If your auto ignition key replacement switch or key seems to be stuck, or you're having difficulty starting your car, a defective ignition lock cylinder could be the reason. It's easy to fix the issue by replacing the cylinder of the ignition lock.

The ignition cylinder is a mechanical component of the system which connects to the ignition switch of your vehicle and provides power to the rest the engine. The ignition switch and ignition cylinder are two separate components. The switch is an electrical device that connects to your car's computer to send signals to start the engine when you turn the ignition key.

The ignition lock cylinders have pins that move upwards and downwards to let your key slide into and rotate in the cylinder. Each movement of the cylinder and the key creates a little friction that helps keep the key in place but in time, these tiny movements can cause the wafer tumblers to wear down. When the tumblers wear down, the key will not be able to slide into the cylinder or rotate it.

The first sign 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 should replace your ignition lock cylinder as soon as you can.

Replacing the ignition cylinder on your vehicle isn't difficult, but it is an undertaking that should be completed by a professional do-it-yourselfer when you're confident enough to follow the correct procedure for your particular make and model of vehicle. A complete repair manual for your car will assist you in getting the job done efficiently and correctly. If you're not confident installing the ignition cylinder on your own make one of our ASE certified mobile mechanics complete the Repair Ignition Lock cylinder for you at a time and in a location that is convenient for you.

Test the Ignition Cylinder

The ignition lock cylinder is a mechanical component that is affixed to your key and permits it to rotate and start your vehicle. It's mounted inside the ignition switch, which locks the lost ignition key and reads anti-theft coding to permit key turning. The ignition lock cylinder is susceptible to wear and eventually fail, leading to issues powering your vehicle or making it difficult to remove and insert the key.

The most common signs that a car's lock cylinder is preparing to be damaged is having trouble starting your vehicle or finding locations where the key is stuck when you attempt to turn it. These signs usually mean that the cylinder is worn down and requires replacement. In certain instances you may notice an alert light on your dashboard that signals the possibility of a failure.

As the cylinder ages it may be damaged due to corrosion or wear and wear and. This could cause the pins and wafer tumblers to wear out and break or damage, preventing the ignition of your car from working. The ignition might still work in certain situations when you move it around. However it could indicate that something is not right.

You can examine the cylinder in your ignition and see if the key or cylinder is damaged or worn out. If you own a multimeter, you could probe the module's red wire connection and the ignition coil's battery terminal to see if there is the voltage. If you don't find any or no voltage, then the switch and module likely need replacing.

It is recommended to hire a professional mechanic to replace the ignition cylinder, since it can cost anywhere between $200 and $300. The process is made more complicated by the fact that you may need to remove other components to access the cylinder for ignition, such as the steering column. The process of replacing it could require you to turn off the airbag system and reprogram your key to work with the new ignition cylinder. This process is usually done by an authorized dealer however, you can learn how to do it yourself with the appropriate tools and directions.