GMC T Series 1994 Repair Manual page 895

EXTERNAL COMPONENTS
Clean
The transfer case using solvent and a stiff brush.
Remove or Disconnect (Figures 2, 3, 4 and 5)
1. Front output flange nut (1), steel flat washer (2),
and rubber sealing washer (3) from the front output
shaft (4).
2. Front output flange (5) from the front output shaft
(4).
3. Speed sensor bolt (6) and speed sensor (7) from
the extension housing (8).
4. Front cover bolts (9) from the rear case half (10).
5. Front cover (11) by prying on the tabs provided
(figure 5).
INTERNAL COMPONENTS
Remove or Disconnect (Figures 3, 6, 7 and 8)
1. Front output shaft spacer (12) from the front output
shaft (4).
2. Front output shaft (4), drive chain (13), and driven
sprocket (14) from the rear case half (10) (figure 6).
3. Magnet (15) from the rear case half (10)-
4. Input shaft (19) from the sun gear shaft (18)
(figure 7).
5. Sun gear shaft (18), sun gear shaft bearing (33),
drive sprocket spacer (16), drive sprocket (17), vis­
cous clutch (20), and sun gear shaft thrust washer
(21), as an assembly, from the planet carrier
assembly (22).
6. Planet carrier assembly (22) and the planet carrier
assembly thrust washer (23) from the output shaft
assembly (24).
7. Extension housing bolts (25) from the extension
housing (8).
DISASSEMBLY
6. Speed Sensor Bolt
7. Speed Sensor
8. Extension Housing
10. Rear Case Half
24. Output Shaft Assembly
25. Extension Housing Bolt
26. Breather Assembly
36. Output Shaft Oil Seal
41. Drain/Fill Plugs
8. Breather assembly (26) from the extension hous­
ing (8).
9. Extension housing (8) from the rear case half (10).
•Turn the rear case half (10) over and support
10. Output shaft bearing snap ring (27) from the output
shaft bearing (28) (figure 8).
11. Gear ring snap ring (29) from the gear ring (30).
12. Output shaft assembly (24) from the gear ring (30).
Figure 2— BW4472 Rear View
the output shaft assembly (24) from the inside
of the rear case half (10).
F7562