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Testimonials

Thanks for all your help in my CV axle “crisis”. Everyone sold an axle for my application, BUT they were ALL the wrong part. Marty knew exactly what I needed and sent me the CORRECT axle right out. When I received the axle, I was stunned by the quality and workmanship in this part. These guys take a lot of pride in their work and it shows.I was so impressed that I have convinced my repair shop to give them a try. It will only take one job for them to be hooked. I have another car needing a axle and Raxles will be my ONLY axle supplier...Thanks Marty and all the team at Raxles...Your friend,

Jason Shiver
Dothan,Alabama
2001 Oldsmobile Aurora

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Standard Limited
Lifetime Warranty

Standard Limited Lifetime Warranty

RAXLES warrants to the buyer of any axle that it is free from any defects in workmanship and material forever.

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CV Axles Fundamentals

Constant velocity joints because of their unique ability to overcome some of the design limitations of conventional Cardan style U-joints, have become a common component on many of today's drivetrains. You'll find CV joints used on many rear-wheel drive (RWD) and four-wheel drive (4WD) vehicles as well as on all front-wheel drive (FWD) vehicles.

 Some type of flexible coupling is needed on all open driveshaft to accommodate the up and down motions of the suspension. What's more, some means of allowing the driveshaft to change length or to "telescope" in and out must also be provided because the distance between the ends of the shaft change as the operating angle of the shaft increases

 

 What causes a driveshaft to change length as it swings up and down? The geometry of the suspension. In a FWD vehicle, for example, the arc through which the front suspension travels is determined by the length of the lower control arm (Figure 1). Up and down motions of the suspension cause the front tires to scrub in and out slightly. Since the driveshaft (which we'll refer to as a haftshaft) is almost always a different length than the control arm, it wants to swing through a longer arc than that of the suspension. This would create an interference angle between the two that would tend to bind up the motions of the suspension. That's why the driveshaft must be able to telescope in and out (Figure 2) because doing so enables it to follow the same arc as the suspension.

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