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Oil and grease seals must be replaced with
new parts.
DIFFERENTIAL AND
DRIVE PINION
ASSEMBLY AND INSTALLATION
1. Install differential gears, and pinions, thrust
washers in case and cover all contact areas
and axle shaft spacer with rear axle lubricant.
2. Install the differential pinion shaft and drive
in the lock pin, peen case metal over top of
pin to lock pin in place.
3. Install drive gear on the differential case and
insert bolts and lock plates. Use a torque
wrench and tighten bolts to 50-60 lbs. Bend
over lock plate ears.
4. Insta1l the differential bearing cones on the
differential case hubs without shims using
driver J-5364, Figure 11.
FIGURE 11
5. Clean the bearing cups and place on cones. Be
sure cups are not scored, nicked, etc.
6. With axle housing in a vertical position, clean
bearing bores in housing and install the differ-
ential assembly.
7. In stall the bearing caps in their correct posi-
tion. Be sure letters or numbers on cap, Figure
18, are in same position as letter or number on
housing and tighten bolts finger tight.
8. M o u n t a dial indicator with the control button
against back face of the drive gear, Figure 12,
insert two screwdrivers between bearing cup
and housing and force differential assembly to
PROPELLER SHAFT 112
FIGURE 12
one side far as possible.
Set dial indicator to zero and shift differen-
tial as far as possible to opposite side, note and
record reading on indicator.
This reading denotes the shim require-
ments between the differential assembly and the
bearing cones to be installed later.
9. Remove the side bearing caps and remove the
differential assembly.
10. Observe the figures etched on the rear end of
the drive pinion. One set of numb e r s will be
found identical on both the drive gear and
pinion, which denotes a matched set. Another
figure will be found on the end of drive
pinion which shows a plus or minus sign,
Figure 13. This indicates the position of the
pinion
FIGURE 13
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