To get to the bearings, you have to pull the Warn hub off. Then if I remember right there is a lock ring with a couple of Philips head screws that holds the bearing lock ring in place. Remove the screws then pull out this ring. The outer bearing lock ring has to be removed with a special tool that looks like a really big socket but with big sections cut out of it so it looks like it has jack o lantern teeth. You can rent it at Autozone and when you return it you get your money back (FREE!). Then you should be able to remove the outer bearing.

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