Silverado 2500 4WD V8-8.1L VIN G (2006)
4. Using a pair of channel locks, remove the retractor spring from the secondary brake shoe.
5. Remove the secondary brake shoe from the backing plate.
6. Using a pair of channel locks, remove the retractor spring from the primary brake shoe.
7. Remove the primary brake shoe from the backing plate.
8. Remove the return spring.