Jack truck up. Hold it on stands.
Pull wheel/tire off.
Take Caliper off(14mm)
Take pads off
To take rotor off.....continue to....
Take caliper bracket off(2 bolts, 15mm)
Drum slides right off.
IF you are a 4x4, above are the instructions. Install is reverse.
I take a 6" c-clamp to push the caliper pistons back into the caliper, to allow clearence for the new pads.