Photo Tech: CV Axles A look inside a joint.

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Photo Tech: CV Axles A look inside a joint.

Andrew Markel
By Andrew Markel
Andrew Markel is the director of content for Brake & Front End magazine. He has been with Babcox Media for 20 years. He is a technician and former service writer and holds several automotive certifications from ASE and ­aftermarket manufacturers. He can be reached at [email protected].
Published:

wear in a rzeppa cv joint typically occurs on the cage, gear and cup. this wear is typically caused by a loss of lubrication due to a boot failure, or debris in the joint. once heat treated surfaces are damaged, they typically cannot be restored. rzeppe cv joint can be found on the majority of vehicles on the road. a typical rzeppa joints allow 45°–48° of articulation.the materials used to make the boot are not just plastic or rubber. they designed to last millions of cycles in a wide range of temperatures.new axles should always get a new axle nut.grease is often packed by hand at the factory. if there is too much grease, the grease will be pushed out of the boot. if you are servicing a joint, use only the recommended amount or only what comes in the kit.tone rings are often pressed onto a cv joint. make sure the number of teeth match the old axle. Tone rings are often pressed onto a CV joint. Make sure the number of teeth match the old axle.

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AWD and ABS Services

AWD is always engaged and with the ABS brake modulator, can perform like systems with limited-slip differentials.

Andrew Markel
By Andrew Markel
Andrew Markel is the director of content for Brake & Front End magazine. He has been with Babcox Media for 20 years. He is a technician and former service writer and holds several automotive certifications from ASE and ­aftermarket manufacturers. He can be reached at [email protected].
Published:

Many AWD systems came onto the market in the 1990s. Unlike 4x4 truck systems of the day, these systems were always engaged. Many of the early systems used electro-mechanical ways to manage the distribution of power to thefour wheels. 

Most of these systems used viscous differentials and limited-slip differentials with special fluids inside. These components were prone to failure and are expensive to manufacture. The performance of these systems could also be challenging to control with sensors and actuators.

Read Full Article

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