Subaru LEGACY 2006 Manual page 3241

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AUTOMATIC TRANSMISSION
D: ASSEMBLY
1. DIFFERENTIAL CASE ASSEMBLY
1) Install the washer, differential bevel gear and dif-
ferential bevel pinion in the differential case (RH).
Insert the pinion shaft.
2) Attach the straight pin in the reverse direction.
(A) Differential case (RH)
3) Install the washer and differential bevel gear to
differential case (LH). Put the differential case (RH)
on the case, and then assemble the two cases.
4) Install the hypoid driven gear and secure by
tightening the bolt.
Tightening torque:
62 N·m (6.3 kgf-m, 45.6 ft-lb)
(A) Hypoid driven gear
(B) Differential case (RH)
(C) Differential case (LH)
Front Differential Assembly
(A)
AT-00218
(A)
(B)
(C)
AT-00217
4AT-98
5) Measurement of backlash (Selection of washer)
(1) Install the SUBARU genuine axle shaft to
differential case.
Part No. 38415AA070 AXLE SHAFT
(2) Measure the gear backlash using ST1 and
ST2, and then insert the ST2 though the access
window of case.
ST1 498247001 MAGNET BASE
ST2 498247100 DIAL GAUGE
NOTE:
• Measure the backlash by applying a pinion tooth
between two bevel gear teeth.
• Fix the bevel pinion gear in place with a screw-
driver or similar tool when measuring.
Standard:
0.13 — 0.18 mm (0.0051 — 0.0071 in)
ST1
(3) If the backlash is out of specification, select
a washer from the table below.
Washer
Part number
803038021
803038022
803038023
6) Using the ST, install the taper roller bearing.
ST 398487700 DRIFT
(A) Taper roller bearing
ST2
AT-00224
Thickness mm (in)
0.95 (0.037)
1.00 (0.039)
1.05 (0.041)
AT-00225