GMC 1990 Light Truck Repair Manual page 211

11
. Place the proper shims 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
more than 0.38
Over-spreading the carrier can damage or
distort the carrier.
14. Spread the carrier while examining the 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 their original
positions.
20. Install the bearing cap bolts (19).
T ig h te n
• The bearing cap bolts (19) to 115 N-m (85 ft.
lbs.).
ASSEM BLING 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
mm (0 .0 1 5-inch).
DANA REAR AXLES 4B5-25