3-S12
BX24, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
FRONT AXLE
[4] SERVICING
Clearance between Differential Case and Differential Side Gear
1. Measure the differential side gear boss O.D..
2. Measure the differential case bore I.D., and calculate the
clearance.
3. Measure the differential case cover bore I.D., and calculate the
clearance.
4. If the clearance exceeds the allowable limit, replace faulty parts.
W1015523
Clearance between Differential Pinion Shaft and Differential
Pinion
1. Measure the differential pinion shaft O.D..
2. Measure the differential pinion I.D., and calculate the clearance.
3. If the clearance exceeds the allowable limit, replace faulty parts.
W1015675
Backlash between Differential Pinion and Differential Side Gear
1. Set a dial gauge (lever type) on a tooth of the differential pinion.
2. Fix the differential side gear, and move the differential pinion to
measure the backlash.
3. If the measurement exceeds the factory specifications, adjust
with the differential side gears shims.
(Reference)
• Thickness of adjusting shims :
For side gear : 0.8 mm (0.031 in.), 1.0 mm (0.039 in.)
1.2 mm (0.047 in.)
For pinion : 3.3 mm (0.130 in.), 3.5 mm (0.138 in.)
3.7 mm (0.146 in.), 3.9 mm (0.154 in.)
W1015817
Clearance between
differential case and
differential side gear
Factory spec.
0.040 to 0.082 mm
0.00157 to 0.00323 in.
Allowable limit
0.17 mm
0.0067 in.
Differential case bore
I.D.
Factory spec.
26.000 to 26.021 mm
1.02362 to 1.02445 in.
Differential side gear
O.D.
25.939 to 25.960 mm
1.02122 to 1.02205 in.
Clearance between
differential pinion shaft
and differential pinion
Factory spec.
0.025 to 0.055 mm
0.00098 to 0.00217 in.
Allowable limit
0.25 mm
0.0096 in.
Differential pinion shaft
O.D.
Factory spec.
9.960 to 9.975 mm
0.39212 to 0.39272 in.
Differential side gear I.D. Factory spec.
10.000 to 10.015 mm
0.39370 to 0.39429 in.
Backlash between
differential pinion and
differential side gear
Factory spec.
0.1 to 0.3 mm
0.004 to 0.012 in.
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