GMC 1989 Light Duty Truck Repair Manual page 292

4C4-4 K TRUCK FRONT AXLE
Shaft
1.
2. Deflector
Seal
3.
4. Bearing
5. Tube
Bolt
6.
T hrust W asher
7.
R etaining Ring
8.
C arrier C on ne cto r
9.
10. Solenoid
13. Indicator Sw itch
14. Spring
15. Clip
16. S hift Fork
17. D am per S pring
18. S hift Shaft
20. Shim
21. D ifferential Pilot
Bearing
22. Sleeve
23. O utput Shaft
25. Plug
26. W asher
27. Pin
28. Bolt
29. C arrier Case
30. B earing
31. Insert
Figure 2— Front Axle Components (K15-25 Models)
32. Sleeve
33. Side Bearing
34. Bolt
35. D ifferential Case
36. Pin
37. Ring and Pinion
Gears
38. Shim
39. Bearing
40. Spacer
41. Bearing
42. Seal
43. D eflector
44. Flange
45. W asher
46. Nut
48. Bushing
51. Lock
52. Shaft
53. T hrust W asher
54. Side Gear
55. T hrust W asher
56. D ifferential Pinion
G ear
58. Bolt
59. Shaft
60. Vent Plug
F-6498
22. Sleeve(s) (32) and side bearing (33) cups (right side
only on K35).
• Turn the sleeve(s) to push the bearing cup(s)
out of the bore(s). Use J 36599 (figure 9).
23. Adjuster plug (61) with side bearing cup (33) and C D -
ring (62) (K35 models). Use J 36615 (figure 10).
24. Nut (46). Use J 8614-01 to hold the pinion flange (fig­
ure 11).
25. Flat W asher (45).
26. Flange (44) with deflector (43). Use J 8614-01 (figure
12).
• Mount the left carrier case in J 36598. Be sure to use
the adapter plate (J 36598-6) for K15-25 models.
27. Pinion (37) with shim (38), bearing cone (39), and
spacer (40). Use J 36598 (figure 13).
28. Spacer (40) from the pinion.
29. Pinion bearing (39). Use J 8612-B (K15-25 models) or
J 36606 (K35 models) and a press (figure 14).
30. Shim (38).
31. Seal (42), and bearing cup and cone (41). Use
J 36598 (figure 15).
32. Bearing cup (39). Use J 36598 (figure 16).
33. Side bearings (33). Use J 22888-D and J 8107-2 (K15-
25 models) or J 36597 (K35 models) (figure 17).
34. Ring gear bolts (34).
• Ring gear bolts have left-handed threads.
NOTICE: Do n o t pry the ring g e ar from the case.
This will da m a g e the ring ge ar a n d the differential
case.
35. Ring gear (37) from the differential case.
• Drive the ring gear off with a brass drift.
36. Roll pin (36) (K15-25 models). Drive out with a drift
and hammer (figure 18).
37. Bolt (24) (K35 models).
38. Shaft (52).
39. Differential pinion gears (56) and side gears (54).
• Roll the pinion gears out of the case with the
pinion thrust washers (55).
• Remove the side gears and the side gear thrust
washers (53). Mark the gears and the differen­
tial case as left and right.
• Remove spacer (57) (K35 models only).
40. Vent plug (60). Use a 6-point deep socket.
41. Bushings (48). Use J 36616 (figure 19).