Subaru Legacy 2005 Service Manual page 2957

D: ASSEMBLY
1. VA1-TYPE
NOTE:
• Assemble in the reverse order of disassembly.
• Check and adjust each part during assembly.
• Use a new gasket.
• Keep the shims and washers in order, so that
they are not improperly installed.
• Thoroughly clean the surfaces on which the
shims, washers and bearings are to be installed.
• Apply gear oil when installing the bearings and
thrust washers.
• Be careful not to mix up the bearing races RH
and LH.
• Replace the oil seal with a new one at every dis-
assembly. Apply grease to the lips when installing
the oil seal.
• Be careful not to mix up the differential oil seal
RH and LH.
1) Adjusting preload for front and rear bearings:
Adjust the bearing preload with collar and washer
between front and rear bearings. Pinion height ad-
justing washer are not affected by this adjustment.
The adjustment must be carried out without oil seal
inserted.
(1) Install the rear bearing race into differential
carrier with ST1 and ST2.
ST1 398477701 HANDLE
ST2 398477702 DRIFT
ST1
(2) Install the front bearing race to differential
carrier using ST1 and ST2.
Rear Differential (VA-type)
ST1 398477701
ST2 498447110
NOTE:
Use new front bearing cone.
NOTE:
If tooth contact (drive pinion, hypoid driven gear) is
normal in the inspection before disassembling, ver-
ify that the washer is not deformed, and then re-use
the used washer.
NOTE:
Use new rear bearing cone.
ST1 498447150
ST2 32285AA000 DUMMY COLLAR
DI-00463
ST2
DI-00149
DI-55
HANDLE
DRIFT
(3) Insert the front bearing cone.
(4) Measure and record the thickness of pinion
height adjust washer.
(5) Insert the ST1 into the case with pinion
height adjusting washer and rear bearing cone
fitted onto it.
(6) Install the preload adjusting collar and
washer, front bearing cone, ST2, companion
flange, and washer and self-locking nut.
DUMMY SHAFT
(A)
(B)
(C)
ST2
(A) Pinion height adjusting washer
(B) Preload adjusting collar
(C) Preload adjusting washer
(7) Turn the ST1 with hand to make it seated,
and tighten the self-locking nut while measuring
the preload with spring balance. Select the pre-
load adjusting washer and collar so that the
specified preload is obtained when nut is tight-
ened to the specified torque.
DIFFERENTIALS
ST1
DI-00150
DI-00152