Subaru LEGACY 2006 Manual page 3882

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1) Adjusting preload for front and rear bearings
Adjust the bearing preload between front and rear
bearings with collar and washer. Pinion height ad-
justing washer is not affected by this adjustment.
The adjustment must not be carried out with oil seal
inserted.
(1) Install the rear bearing race into the differen-
tial carrier using ST1 and ST2.
ST1 398477701 HANDLE
ST2 398477703 DRIFT 2
ST2
(2) Using the ST, install the front bearing race to
the differential carrier.
ST 499277200 INSTALLER
(3) Insert the front bearing cone.
NOTE:
Use new front bearing cone.
(4) Measure and record the thickness of pinion
adjust washer.
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.
(5) Insert the ST1 into carrier with the pinion
height adjusting washer and rear bearing cone
fitted onto it.
NOTE:
Use new rear bearing cone.
Rear Differential (VA-type)
ST1 18678AA000 DUMMY SHAFT
ST1
DI-00375
NOTE:
ST
• Use a new self-locking nut.
• Be careful not to give excessive preload.
• When tightening the self-locking nut, lock com-
panion flange with ST2 as shown in the figure.
• Measure the preload in direction of tangent to the
DI-00376 flange.
ST1 18678AA000 DUMMY SHAFT
ST2 498427200
Tightening torque:
DI-63
(6) Install the preload adjusting collar & washer,
front bearing cone, collar, companion flange,
and washer & self-locking nut.
(A)
(B)
(C)
(D)
(A) Pinion height adjusting washer
(B) Preload adjusting collar
(C) Preload adjusting washer
(D) Collar
(7) Turn the ST1 by hand to smooth the bear-
ing, and tighten the self-locking nut while mea-
suring the initial load or initial torque with a
spring balance or torque wrench. Select the
preload adjusting washer and collar so that the
specified preload is obtained when nut is tight-
ened to the specified torque.
FLANGE WRENCH
191 N·m (19.5 kgf-m, 141 ft-lb)
ST2
DIFFERENTIALS
ST1
DI-00377
DI-00398