There is a c clip that goes on the end of the spindle and a ring that goes in the slot around the inside of the hub. remove those two things and the warn hub will come out.
you grab thelower right side of the center piece of the dash, just above the ashtray and pull out. it will feel like it is going to break but it won't. once it starts coming out just work it gently...
I'm going to assume your truck is reasonably recent (no more than 15 years old, say?) On the front of the radio, on each side, you should see two small holes, one above the other, about 1-1/2" apart....
Raise truck and put on jack stands. remove tires and brake drums. will be helpful if your have a brake retainer cup remover. once the brakes are released from backing plate there are usually 2-3...