GMC 1990 Light Truck Repair Manual page 221

16. Pinion shaft nut (62) and washer (61) using J 3453
to hold the pinion yoke (figure
17. Pinion yoke (60) using J 7804-01 (figure 12).
18. Pinion cage (54) from the carrier by using bolts in
the puller holes of the cage. Thread the bolts in, to
push the cage away from the carrier (figure 13).
19. Shim pack (50) from the cage.
• Wire the shims together.
20. Pinion gear (37) from the cage by pressing it out in
an arbor press.
21. Pinion oil seal (58) from the pinion cage.
22. Outer bearing (57) from the cage.
23. Inner bearing (53) from the pinion using J 22912 and
an arbor press (figure 14).
24. Pilot bearing retaining ring (51).
25. Pilot bearing (52) from the pinion gear (37) using
J 22912.
Figure 12—Removing the Pinion Flange
12-INCH RING GEAR (ROCKWELL) 4B6-5
11
).
polished surfaces such as gears, bearings, and shafts.
These parts should be cleaned in a suitable solvent. All
parts should be disassembled before cleaning.
cleaning. Use soft, clean, lintless rags. Parts may be dried
with comressed air. Do not allow the bearings to spin
while drying them with compressed air.
all drive unit parts before reassembly.
ans subsequent replacement of worn parts will eliminate
costly drive component repair after reassembly.
Figure 13—Removing the Pinion Cage
CLEANING
Do not steam clean drive parts having ground and
Parts should be thoroughly dried immediately after
INSPECTION
It is very important to carefully and thoroughly inspect
Through inspection of the drive parts for wear or stress
Figure 14—Removing the Pinion Inner Bearing