Many of the cars or other automobiles that you will encounter in today’s era have been fitted with CV axle. CV axles stand for Constant Velocity Axles. When it comes to the drive train of a vehicle, a CV axle is one of the most significant components. This is because they have the job of shifting all the power from the transmission to the tires of an automobile.

Thus, playing a major role in getting the car in linear momentum. These constant velocity axles are made up of joints which are made up of lubricated cages enclosures and bearings. These are lubricated to make your car flexible on bumpy roads and adjust the vehicle according to the shocks it gets on the aggressive tarmacs.

For this very reason, the car can deliver utmost power delivery to the ground without any interference. To protect these CV axle parts from outside dirt and smudges which can cause performance-related issues, these axles are protected using rubber on the CV outer layers.

Now that you have a basic idea of what a CV axle or CV shaft is and how it operates it is now time to discuss some of the important factors related to how a CV axle or CV shaft. Let’s hop in:

How to Replace CV Axle

You can follow the following steps to replace the CV Axle of your vehicle:

Replace CV Axle

● Firstly, before using a car jack lifter to lift your vehicle, one of the most basic things to do is to remove the axle’s nut. For this endeavor, it is important to get rid of the hub cap that is there to give a good look to your vehicle. Only remove the hub cap of the axle that you want to replace. Avoid increasing excessive workload by not interacting with the other axle’s hub caps. If your vehicle has rims, you can try removing the cap at the center rather than the rims.

● Some vehicles do have a cotter pin which is just there to give your axle nut an added layer of protection. For those trying to figure out how it looks, this pin looks like a bobby pin. This cotter pin can be removed by using the right set of pliers.

● The next step is to remove the axle nut. This step requires some effort so make sure that you have your breakfast. Make sure to remember that your axle nut can vary in size as compared to other vehicles. Therefore, make sure you have the tools of the right size as well.

● In the next step, a car jack lifter is required. You can remove the wheel by lifting the car. If you are lifting your car for the first time, we recommend checking the manual of the car to check out which is the correct path for lifting your specific vehicle.

● The nuts that are there to keep the wheel in one place are now already exposed to the viewer’s sight. These can be easily removed if you keep in mind the tire-removing process in case you ever have a flat tire.

● The next step is to remove the brake caliper. This mostly uses the 17mm nuts. So you need the right-sized wrench.

● For the next step, you need to remove the tie rod that is fixed to your steering knuckle. It also consists of 17mm bolts. We recommend using any lubricant to help you easily remove this part.

● Now it’s time to remove the old axle. As the old axle is now removed, you can see the place where the new axle is going to be in contact with the transmission.

● To fit in the new axle, the nog of the new one will fit in until the axle is fitted inside the housing near the transmission.

● Additionally, the new axle will require a reinstallation for an inspection by the hub assembly at the position where the old axle was removed.

● Now it’s time to check if everything is fitted and tightened perfectly. Lastly, put everything back in its place and re-insert the wheel.

How To Replace CV Boot Without Removing Axle

Replace CV Boot

For ideal results, it is generally suited to remove the axle before removing the CV boot. But, it is a time-saving factor to remove the CV boot without removing the axle. Firstly, you’ll need to gather your tools. This includes a set of pliers, a screwdriver, and a CV boot clamp as well.

Next, you would want to clean the CV joint with a wire brush. Now remove the old boot using the pliers. Next, you need to separate the boot from the main axle using a pair of flat screwdrivers.

You should now clean the exposed place to remove all the excessive grease.

How Much Does It Cost To Replace A CV Axle?

To give you a precise idea, the cost of replacing a CV axle is normally between $300 and $1500. These figures depend hugely on which vehicle you own and the cost of labor as well. Furthermore, the cost of individual parts is anywhere between $750 to $1000 and the labor costs are mostly between $150 to $200.

How Long Can You Drive On A Bad CV Axle?

Bad CV Axle

This usually depends on every different bad CV axle. One bad axle could just stick around for some weeks, while others have months in them. Make sure that you don’t use these estimates to delay the changing of your CV axle. In case you think there is something wrong with your axle, make sure to visit the nearest service center to get your car checked.

What Happens If Your CV Axle Breaks While Driving?

If the axle is broken, the wheel that is directly connected to this dysfunctional axle might not be practical at all. This is because the steering that a driver does goes nowhere due to the broken axle. In some of the vehicles, this can mean that the sterling wheel responds in a vibratory function. Additionally, the broken axle can cause the car wheel to work independently.

What Does The CV Axle Connect To?

CV axle connects to the drive shaft of your car, they are more prominent in cars that have a front-wheel drive system, rear-wheel drive system, or 4-wheel drive systems too. The main function of the CV axle is to keep your car’s suspension flexible and allow it to move in all directions.


CV axles are the unsung heroes of your car’s smooth performance. Now that you understand their importance and how to identify potential problems, you can keep your car running safely and efficiently.

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