What does a bad cv loins sound like?

94 fourtrax 300 4×4

I just got done replacing my front wheel bearings and there is still a grinding sound. I checked the front diff and if full of fluid. I’m thinking it my be the cv joints.

There’s no clanking sounds just what I would describe as a soft but loud grinding noise. Also my cv joints are not a ball type but rather an × lookin joint.

Any ideas?

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