A pothole will not break a CV axle. The axle does not carry the weight of the vehicle. It has nothing to do with suspension. The tire, wheel bearings, knuckle, strut and control arm do that. The only thing a CV axle does is propel the car. Brakes stop it. Which leads me to believe this damage as it appears looks like too much torque for the unit. It doesn’t appear rusted. When I was young, I would borrow the old mans Caddy and go out cruising with my buddies. We would do what we called “neutral drops”. Meaning we’d have the car in neutral, get about 5,000 RPM on the engine, slam it into drive. Boy you could do an awesome burnout! Found out it was easy to break axles doing that as well.
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