GMC T Series 1994 Repair Manual page 179

F4764
Figure 12— Removing the Bearing Cups
Figure 13— Removing the Pinion Inner Bearing
8. Bearings (20) using J 8107-3, J 29721, and
J 29721-70 (figure 5).
• Mark the bearings left and right, and place them
with their corresponding bearing caps.
9. Shims (21).
• Mark the shims left or right.
• Check outboard spacers for damage (e.g. bent,
or deep grooves caused by worn bearings). If
damaged, they should be replaced with new
ones at time of reassembly.
• Note the ring gear fastener strength for later
use. Refer to " Specifications" at the rear of this
section.
10. Ring gear bolts (23) and discard (figure 2).
Important
• Ring gear bolts are to be replaced with new
ones at time of reassembly.
• Place shop towels over the vise jaws and put
the case in the vise.
F4768