GMC T Series 1994 Repair Manual page 867

1. Oil Seal
2. Bushing
3. Rear Extension Housing
Bolts/Case Bolts
4. Rear Extension
5. Retainer Snap Ring
6. Front Output Bearing
7. Pump Retainer Housing
Bolts
8. Pump Retainer Housing
11. Speedometer Tone Wheel
12. Oil Pump
13. Oil Pump Seal
14. O-Ring
15. Plug
16. Bolt
17. Rear Case Half
18. Oil Pump Pick Up Tube
19. Mainshaft
20. Drive Sprocket
21. Front Output Shaft
24. Front Output Rear Bearing
25. Magnet
26. Oil Tube Connector
27. Washer
28. Main Drive Synchronizer
Stop Ring
29. Synchronizer Sleeve
30. Strut (3)
NOTE: Part numbers 48, 49, 50, 53, 54, must be serviced as an assembly.
NOTE: This annulus gear, number 62, is not serviceable or removable from the front
case half. To replace it you must replace the front case half as an assembly.
2. Spring retainers (32) from the synchronizer hub
(31).
3. Synchronizer hub (31) from the synchronizer (29).
4. Oil pump screws (79) from the oil pump (12).
31. Synchronizer Hub
32. Spring Retainer (2)
33. Dowel
34. Range Shift Hub
35. Pump Pick Up Screen
36. Planetary Carrier
37. Thrust Washer (2)
38. Input Gear
40. Input Bearing
42. Input Bearing Retainer
Seal
43. Input Retainer Bolt
44. Input Bearing Retainer
45. Front Case Half
46. Vacuum Switch
47. O-Ring Seal
48. Shift Rail
49. Pads
50. Pads (Center)
51. Range Shift Fork
52. Fork Shift Spring
53. Pin
54. Mode Shift Fork
55. Sector With Shaft
56. Bushing
57. Range Fork Pin
58. Chain
59. Retainer Snap Ring
Figure 4— 231 Transfer Case Components - Legend
61. Front Output Bearing
62. Annulus Gear
63. Shift Lever Nut
Prev. Torque
64. Washer
65. Shift Lever
66. Washer Plastic
67. O-Ring Seal
68. Poppet Seal
69. O-Ring Seal
70. Selection Plunger
71. Poppet Spring
72. Front Output Shaft Seal
73. Deflector
74. Front Output Yoke
75. Rubber Sealing Washer
76. Washer
77. Nut Front Output Yoke
78. Carrier Lock Ring
79. Oil Pump Screw
80. Identification Tag
81. Synchronizer Assembly
82. Drive Sprocket Bearing
83. Mode Synchronizer Hub
Snap Ring
84. Mainshaft Pilot Bearing
9
Important
The oil pump is not a serviceable unit and should be
replaced if it is defective.
F9247