GMC T Series 1994 Repair Manual page 898

4. Front Output Shaft
12. Front Output Shaft Spacer
13. Drive Chain
14. Driven Sprocket
17. Drive Sprocket
19. Input Shaft
20. Viscous Clutch
30. Gear Ring
33. Sun Gear Shaft Bearing
24. Output Shaft Assembly
27. Output Shaft Bearing Snap Ring
28. Output Shaft Bearing
37. Speedometer Tone Wheel
42. Oil Scoop
Figure 8— Removing the Output Shaft Rear Bearing
F7566
F7568