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What happens when a CV axle goes out?

When a CV (constant velocity) axle goes out, it can cause significant issues with your vehicle's performance and safety. A CV axle is a critical component that transfers power from the transmission to the wheels, allowing them to rotate at different speeds while turning. If a CV axle fails, it can lead to a range of problems that require prompt attention.


Symptoms of a Failing CV Axle


The most common signs of a failing CV axle include:



  • Clicking or popping noises when turning or accelerating

  • Vibrations or shaking while driving

  • Grease leaks from the CV joint

  • Difficulty steering or a "clunking" sound when turning

  • Uneven tire wear or a "wobbling" sensation


If you notice any of these symptoms, it's important to have your vehicle inspected by a qualified mechanic as soon as possible to prevent further damage.


Causes of CV Axle Failure


CV axles can fail for a variety of reasons, including:



  • Wear and tear over time, especially in high-mileage vehicles

  • Damage to the CV joint from potholes, curbs, or other road hazards

  • Lack of proper lubrication or a torn CV boot

  • Excessive stress on the axle, such as from heavy towing or off-road use


Addressing the underlying cause of the CV axle failure is crucial to prevent it from happening again in the future.


Consequences of Driving with a Failed CV Axle


Driving with a failed CV axle can be extremely dangerous and should be avoided. Some of the potential consequences include:



  • Loss of control of the vehicle, leading to an accident

  • Damage to other drivetrain components, such as the transmission or differential

  • Increased risk of the wheel separating from the vehicle

  • Decreased fuel efficiency and overall vehicle performance


If you suspect a problem with your CV axle, it's crucial to have it inspected and repaired as soon as possible to ensure the safety and reliability of your vehicle.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.