GMC 1989 Light Duty Truck Repair Manual page 213

11. Place the proper shim s on the differential side
bearing hub (opposite the ring gear) and drive the
differential bearing onto the hub using J 23690 and
J 8092.
• If installing a new bearing, be certain that it is
the same width as the old bearing.
12. Assemble J 24385-01 to the axle housing as shown
in figure 79.
13. Assemble the dial indicator as shown in figure 79.
Preset the gage at least 0.020-inch, and then rotate
the indicator housing to zero the dial.
NOTICE: Do not spread the differential carrier
m o r e t h a n 0 . 3 8
O v e r -s p re a d in g th e c a rr ie r can d a m a g e or
distort the carrier.
14. S pread the c a rrie r w h ile e x a m in in g th e dial
indicator.
15. Remove the dial indicator.
16. Place the bearing cups (20) onto the bearings.
17. Install the differential assembly into the carrier.
• Use a rawhide hammer to seat the differential
assembly in the axle housing (figure 80).
18. Remove the spreader.
19. Install the bearing caps (18) in th e ir o rigin al
positions.
20. Install the bearing cap bolts (19).
$
Tighten
• The bearing cap bolts (19) to 115 N m (85 ft.
lbs.).
ASSEMBLING THE DIFFERENTIAL TO THE
AXLE HOUSING — HEAVY DUTY MODELS
Tools Required:
J 23690 Differential Side Bearing Installer
J 8092 Driver Handle
J 24385-01 Differential Carrier Spreader
C-4205 Preload Shim Installer
C-4171 Universal Handle
m m ( 0 . 0 1 5 - i n c h ) .
DANA REAR AXLES 4B5-25