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)
Driveline/ Axle
10.5.
Use the following information in order to
select the correct shim:
• Record the J 8001 reading at the pointer
position.
The required drive pinion gear shim
th.ickness is equal to the J.8001 reading.
For example, if the pointer moved
counterclockwise
1.70
mm
(0.067
in) to
a dial reading of
0.84
mm
(0.033
in),
a shim thickness of
0.84
mm
(0.033
in)
is required.
.. Drive pinion gear shims are available in
0.03-0.94
mm
(0.001-0.037
in).
The thickness of each shim is etched on
the flat surface of the shim.
11.
Loosen the J 21777-43.
12.
Remove all of the special tools from the rear axle
housing.
13.
Remove the inner
(1)
and the outer
(2)
drive
pinion gear bearings from the rear axle housing.
14.
Install the correct.drive pinion gear shim on the
drive pinion gear.
15.
Use the following steps in order to set the proper
drive pinion gear depth:
15.1.
Use the set-up dimension determined by
J 8001 as a starting point.
15.2.
Perform a ring gear tooth pattern test in
order to fine tune the drive pinion
gear depth.
The test may indicate additional necessary
drive pinion gear shim changes.
Refer to Pinion and Ring Gear Inspection.
i 6. Install the following components:
• The drive pinion gear inner bearing
• The drive pinion gear outer bearing
Refer to Drive Pinion Assemble.
17.
Assemble the differential case. Refer to Rear Axle
-Assemble.
18.
Measure the total preload at the drive pinion gear
nut bearings.
The preload should measure within the following
specifications:
• With new inner and outer drive pinion gear
bearings and a new drive pinion gear
seal, the preload should measure
3.6-6.2
N-m
(32-55
lb in).
• With used inner and outer drive pinion
gear bearings and a new drive pinion gear
seal, the preload should measure
1.8-3.1
N·m
(16-28
lb in) when rotating
with a new drive pinion gear seal.
Rear Drive Axle
4-33
J
21777-40
164276
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