Grab a nice quality bearing Timkin, Moog, SKF. Like Steathee said they are using cheap bearings by the sounds of it. Nothing really special besides maybe the big socket you need for the axle nut which is like a 34 or 36mm (I can't remember) but you can rent them from AZ. Then you will need a big breaker bar or impact to get the axle nut off. The rest is simple if you have a basic socket set just have to remove the wheel, caliper, caliper bracket , rotors then its like 3 bolts and the hub comes off. Then the torque for the axle nut is 118 ft/lbs but I just ran mine on with an impact and tightened it more with a breaker bar.

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