GMC 1989 Light Duty Truck Repair Manual page 275

Figure 6—Separating the Carrier Case Halves
29 32
18. B o lt 29. C a rrie r Case
19. L ock Tab 32. Sleeve
Figure 7— Removing the Lock Tabs
Figure 8 — R em oving th e Side Bearing Cup
19 18
F-01780
T TRUCK FRONT AXLE 4C3-5
J-21551
30
/
/ - —
Figure 9— Remove the Sleeve Bearing
Figure 10— Removing the Pinion Nut
30. B earing
32. Sleeve
32
F-01782
F-05788