Drive the old broken wheel stud out, and drive a new one in. Purchase the new stud at any auto parts store.
Depends on which pulley but most have several bolts holding them on. You can remove the broken bolt or simply not worry about it.
Notice there are two threaded holes in the brake drum. Insert a metric bolt into the holes and tighten until the drum pops off. Replace the stud.
you could get a similar wheel to replace it
First jack the rear of the truck up. Relieving the shock of any pressure will allow the bolt of slide off easier. Remove the broken bolt and replace it with a new one.
Cut the bolt head off with a cutting wheel then use a drill to drill out the bolt.
Remove the broken bolt and replace it with a new one. There are several ways to remove that broken bolt. You can remove the valve cover and weld a nut to what is left of the bolt, wait for it to cool off then unthread the broken bolt. You can also drill out the center of the broken bolt and use an easy-out. You can also drill into the broken bolt with a left handed drill bit, sometimes the drill bit will catch and spin out the broken piece. I would go with the first suggestion.
To replace brake pads and rotor: Unbolt wheel, unbolt caliper, remove caliper, unbolt caliper bracket, remove rotor, replace rotor, bolt up bracket, compress caliper, replace pads, replace caliper, bolt up caliper, bolt up wheel, repeat whole thing on other side...
Tap and dye or if the threads are heavily damaged, install a heli-coil thread repair and replace the gasket. Another solution: Sometimes you can slot the broken bolt with a thin friction wheel and back it out with a straight-blade screwdriver.
remove disk, punch out broken stud, replace with new one. tapped back in.
use an extractor to back the bolt out of the hole then replace with new one
Where's the leak? Wheel cylinder, repair or replace, rusted line, replace, master cylinder, repair or replace.
Remove wheel, brake caliper, brake disc, parking brake shoes etc. Drive out broken stud, replace with new stud. Replace above in reverse order.