Easy is relative. Depending on what's exactly failing, the repair can range from not too difficult to pretty major. But, even pretty major isn't too bad if you have the tools and know-how.
Can you post pics of the parts that are failing?
Are you sure it's the gearing and not the rub strips/pads?
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Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin!
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