FRONT AXLE
B2301, B2601, WSM
5-S12
[3] SERVICING
Clearance between Differential Case and Differential Pinion
1. Measure the differential pinion boss O.D. with an outside
micrometer.
2. Measure the differential case bore I.D. with a cylinder gauge,
and calculate the clearance.
3. If the clearance exceeds the allowable limit, replace damage
parts.
9Y1211156FAS0018US0
Clearance between Differential Case and Yoke Shaft
1. Measure the yoke shaft O.D. with an outside micrometer.
2. Measure the differential case bore I.D. with a cylinder gauge,
and calculate the clearance.
3. If the clearance exceeds the allowable limit, replace damage
parts.
9Y1211156FAS0019US0
Turning Torque of Spiral Bevel Pinion Shaft
1. Cramp the spiral bevel pinion shaft assembly to the vise and
tighten the staking nut.
2. Measure the turning torque of bevel pinion shaft.
3. If the turning torque is not within the factory specifications,
adjust with the lock nut.
• After turning force adjustment, be sure to stake the lock
nut.
9Y1211156FAS0020US0
Clearance between
differential case and
differential pinion
Factory specification
0.032 to 0.068 mm
0.0013 to 0.0026 in.
Allowable limit
0.2 mm
0.008 in.
Differential case bore
I.D.
Factory specification
15.000 to 15.018 mm
0.59056 to 0.59125 in.
Differential pinion O.D. Factory specification
14.9509 to 14.968 mm
0.58859 to 0.58829 in.
Clearance between
differential case and
yoke shaft
Factory specification
0.020 to 0.051 mm
0.00079 to 0.0020 in.
Allowable limit
0.2 mm
0.008 in.
Differential pinion shaft
I.D.
Factory specification
20.000 to 20.018 mm
0.78741 to 0.78811 in.
Yoke shaft O.D. Factory specification
19.967 to 19.980 mm
0.78611 to 0.78661 in.
Turning torque Factory specification
0.8 to 1.0 N·m
0.08 to 0.10 kgf·m
0.59 to 0.73 lbf·ft
(1) Adaptor (2) Torque Wrench
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