Sierra 1500 2WD V6-4.3L (2008)
7. On axles with a locking differential, remove the shaft part way. Rotate the case until the pinion shaft touches the differential housing.
8. On axles with a locking differential, use a screw driver, or similar tool, in order to enter the differential case and rotate the C-lock (1) until the
C-lock aligns with the thrust block (2).
9. Remove the brake drum.
10. Push inward on the axle shaft.
11. Remove the C-lock from the axle shaft.
12. Remove the axle shaft from the differential housing.
