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DIFFERENTIALS
D: ASSEMBLY
1. EXCEPT STi MODEL
NOTE:
• Assemble in the reverse order of disassembling.
• Check and adjust each part during assembly.
• 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 right and left hand
races of the bearings.
• Use a new O-ring and gasket.
• Replace the oil seal with a new one at every dis-
assembly. Apply chassis grease between the lips
when installing the oil seal.
• Be careful not to confuse the installing direction
of oil seal.
1) Adjusting preload for front and rear bearings
Adjust the bearing preload with spacer 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) Press the rear bearing race into differential
carrier using ST1 and ST2.
ST1 398477701
HANDLE
ST2 398477703
DRIFT 2
ST1
REAR DIFFERENTIAL
(2) Install the front bearing race to differential
carrier using ST1 and ST2.
ST1 398477701
ST2 398477703
(3) Insert the ST1 into carrier with pinion height
adjusting washer and rear bearing cone fitted
onto it.
NOTE:
• If tooth contact (Drive pinion, Crown gear) is nor-
mal in the inspection before disassembling, verify
that the washer is not deformed, and then re-use
the used washer.
• Use a new rear bearing cone.
(4) Then install the preload adjusting spacer
and washer, front bearing cone, ST2, compan-
ion flange, and washer and drive pinion nut.
ST1 398507702
ST2 398507703
DI-00078
(5) Turn the ST1 with hand to make it seated,
and tighten the drive pinion nut while measuring
the preload with spring balance. Select the pre-
load adjusting washer and spacer so that the
specified preload is obtained when nut is tight-
ened to the specified torque.
ST2
DI-00079
DI-30
HANDLE
DRIFT 2
DUMMY SHAFT
DUMMY COLLAR
(A)
(B)
(C)
ST2
(A) Pinion height adjusting shim
(B) Preload adjusting spacer
(C) Preload adjusting washer
ST1
DI-00080
DI-00117
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