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How to Repair an Ignition Lock Cylinder

If your car's key won't turn and it's time to replace the cylinder that controls the ignition. 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 that your key slides into.

Over time, "wafers" can break or wear out. WD-40 and graphite can temporarily fix the issue but replacing the tumblers is the only solution.

Removing the Steering Column

Modern cars don't have steering column locks. Instead, they use keys that are used to start the vehicle by pressing and turning an on the dash panel. This newer system is much easier and more efficient than the traditional lock cylinder method. Some older vehicles still employ the old lock cylinder. If this component fails, it could be required to replace it to start the car. This is a job that should be left to professionals.

Remove the trim panels that cover the upper and lower columns of the steering using the help of a screwdriver. This will allow access to the area around the steering column.

On the side of the column closest to the driver, you will notice an Allen head bolt that holds the wiper/signal assembly in place. Take this bolt off and set it away. Depending on the year of your vehicle, you may find three or four small screws with flat heads that keep 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 will have to take off the wiper/signal unit. You can make use of a specific tool to remove it or ghetto it using a piece metal, like a cold-chisel. Locksmiths can also utilize the bolt removal kit.

If you can't insert the key into the ignition switch the lock cylinder could be stuck. You can call a 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 can use a shear cylinder removal tool or cut the pin from the lock cylinder with torch and then shave it to take it off the lock. They can 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 part that houses and locks your car's key. The cylinder fits the key and "reads" the anti-theft codes to permit or block the start of your vehicle. The cylinder is susceptible to wear and tear over time. It can also be bent or broken. In this case, you will need to replace the cylinder to start your car.

A worn or broken cylinder could cause issues turning the key, or cause the ignition switch not moving into the ACC position or RUN or a warning light to illuminate on the dashboard. If you have an extra key, put it in the lock. You might be able to finesse the cylinder with some graphite or WD-40, but this technique only works for a limited time.

Replace the ignition cylinder if have a replacement key. Follow the instructions above to install the new ignition cylinder. Install the new ignition cylinder by making sure that it is properly placed into the steering column tube flange and aligned to the keyway on the shroud. Check the manual of your car or an expert to ensure the cylinder is correctly aligned.

Once the cylinder is installed then turn the key to the ACC or RUN position. Watch for a click which signifies that the ignition switch has been fully installed in the cylinder. If your car has an anti-theft system, you will need to follow the anti theft relearn procedure to program the new ignition cylinder to your key.

Some experts suggest hiring a professional to replace the cylinder in your ignition. This is due to the fact that it's often necessary to disable the airbag in the steering column for access to the cylinder. The replacement may require removing the steering wheel and the covers for ignition. Because of this, it is a job that should be left to a professional mechanic. They'll be able remove the cover on the steering column and then properly install a new ignition lock cylinder to your vehicle. They'll also be able verify that the ignition lock cylinder is programmed with your key and starts properly when you insert it.

Installing the Ignition Cylinder

While ignition lock cylinders are becoming less important in modern vehicles because of advances in remote start and push-to-start systems, they're common on older cars. If you have trouble starting your car or if the ignition switch is faulty, it could be a defective ignition cylinder. Luckily, it's relatively easy to replace the ignition lock cylinder and fix ignition switch 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 and ignition cylinder are two distinct components. The switch is an electronic component that connects with the computer in your car 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, permitting your key to move and rotate within the cylinder. Every movement of the key and cylinder creates friction, which keeps the key in its place. However, over time, the wafer tumblers can wear out. If the tumblers wear down, the key of your car won't be able slide into or turn the cylinder.

The first indication of trouble is usually a worn-out ignition coil in most cars. However, the key can also begin to stick and become difficult to remove or insert from the cylinder. These are signs that you should replace your ignition lock cylinder as quickly as possible.

Replacing your ignition cylinder isn't difficult, but it is an undertaking that should be completed by a trained DIYer only if you're able to follow the right procedure for your specific brand and model of vehicle. A complete repair manual for your vehicle will help you get the job done quickly and correctly. If you're not comfortable installing the ignition cylinder on your own, you can have one of our ASE-certified mobile mechanics perform the work for you at a time and location.

Testing the Ignition Cylinder

The ignition lock cylinder, also referred to as the ignition lock cylinder, is a mechanical part that is fitted to your key in order to enable it to turn and start your vehicle. It is inserted into the ignition switch, which locks the ignition and reads the anti-theft number to authorize the key to turn. The cylinder for the ignition lock is susceptible to wear and may eventually fail, causing problems with the power supply to your vehicle or making it difficult to insert and remove the key.

The main indications that a car's lock cylinder is preparing to be damaged is having trouble starting your car or locating locations where the key is stuck when you try to turn it. These problems are usually an indication that the cylinder must be replaced. You might even see an alert light flashing on your dashboard to indicate an impending failure.

As the cylinder ages, it can become damaged by corrosion or simply wear and wear and tear. This can cause the pins and tumblers made of wafer to wear down, cause damage or even break, which can make it impossible for your car's ignition to continue working. In some instances, the ignition will still function if you jerk it into different positions, but this is a dangerous 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, the switch and module probably need to be replaced.

It is best to engage an expert mechanic to repair ignition lock cylinder (research by the staff of enemyspy5.bravejournal.net) the ignition cylinder, as it can cost anywhere between $200 and $300. The process is complicated by the fact that you could need to remove other components to access the ignition cylinder, including the steering column. Based on the vehicle you have, the replacement procedure can also require disabling the airbag system, and then you'll need to reprogramme your key to work with the new cylinder. This process is usually done by the dealership however, you can learn how to do it yourself using the right tools and instructions.