San Carlos Auto Repair

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A C/V Joint or C/V axle refers to a constant velocity joint or axle. The C/V Joint is part of the drive shaft that attaches your vehicles wheels to your transmission or transfer case. There is typically a C/V Joint at both ends of this axle shaft. CV joints are designed to be able to bend in any direction while the axle and ultimately your wheels are spinning. CV joints are primarily used in the drive shafts of front-wheel drive cars. Due to bumps in the road and uneven road surfaces, a car's wheels tend to move up and down continuously while moving down the road or freeway. As a result, drive shafts cannot be made up of a solid shaft. The joints in the drive shafts need to account for the bumps in the road and the back-and-forth motions of your vehicles steering system. The CV joint is used in front-wheel drive cars because of its ability to maintain a constant drive force for the wheels accommodating for different kinds of movements in the suspension of the car. For this reason the CV joint is often used in newer rear-wheel drive of four-wheel drive cars. We see a lot of Subaru vehicles using C/V axles in the front and rear of the vehicle. Below is a picture of a C/V Axle (Fig A.) The second image shows just the C/V Joint with the boot removed. Notice the C/V Joint Ball Bearings that are now exposed. Imagine these joint being exposed to rain & the elements as happens when the C/V boots tear.   (Fig B.)

(Fig A.) C/V Axle Shaft Assembly
(Fig B.) Boot removed - Exposed C/V Joint

C/V Joints The Heart of the C/V Axle:

The C/V Axle is built around the Center Shaft

CV joints should be inspected periodically as it contains components that wear. A C/V joint is covered with a rubber boot that tends to deteriorate over time or can be damaged by road debris. At A+ Japanese Auto Repair the most common issues we see with a C/V axle is torn C/V boots. When a C/V tears open, cracks all the way through it quickly expels the grease lubricating the joint. The expelled grease sprays under the vehicle and around the wheels involving some heavy duty cleanup.  In some cases we have witnessed in our service bays C/V grease on braking components.  Also, when the boot tears the C/V joint is left exposed to the elements with no lubrication. If the CV axles are inspected periodically, torn boots can be replaced as needed, potentially extending the life of the joints and C/V Axle. As you can see in the picture on the left, there are many parts moving in different directions in your C/V axle. The C/V axle is spinning just as fast as your vehicles wheel spins and moves up and down with all the bumps, potholes and dips in the road. This is one part that takes some serious abuse and rolls with it!


Axle Repair - San Carlos, CA

Workers going over paperwork at A+ Japanese Auto Repair in San Carlos, CA
Toyota Repair Experts -  San Carlos, CA

A+ Japanese Auto Repair Inc. employs experts in C/V Axle repair and replacement.  We are here to answer any questions you regarding your vehicles Axle assemblies.  Please contact one of our auto repair and service experts today:  

  • Factory-Trained Repair Mechanics
  • 100% Customer Satisfaction
  • Same day repair and service
  • Free Courtesy Shuttle - To and From San Carlos Facility
  • Open / Transparent Process - including photos - helping you understand any recommendations
  • Family Owned & Operated Axle Repair


CALL OUR EXPERTS AT 650-946-1856 
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Disclaimer: This article is provided for general informational purposes only.  It is not intended as advice for your particular vehicle, and should not be relied upon for that purpose.  Please consult a qualified automotive maintenance professional to determine the maintenance and repair needs for your vehicle.

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