Subaru 2002 IMPREZA Service Manual page 1996

DIFFERENTIALS
20) When replacing the bearings, tap the front
bearing cup and rear bearing cup in this order out of
case by using a brass bar.
(A) 2 cutouts along diagonal lines
(B) Tap alternately with brass bar.
D: ASSEMBLY
1) Precautions for assembling
• 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.
• Replace the oil seal with a new one at every dis-
assembly. Apply chassis grease between the lips
when installing the oil seal.
2) Adjust 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 398477702 DRIFT
REAR DIFFERENTIAL FOR VA-TYPE
S3M0515A
G3M0079
DI-46
(2) Press the front bearing race into differential
carrier using ST1 and ST2.
ST1 398477701 HANDLE
ST2 498447110 DRIFT
(3) Insert the front bearing cone.
NOTE:
Use a new front bearing cone.
(4) Insert the ST1 into case with pinion height
adjusting shim and rear bearing cone fitted onto
it.
NOTE:
• Re-use the used washer if not deformed.
• Use a new rear bearing cone.
(5) Then install the preload adjusting spacer
and washer, front bearing cone, ST2, compan-
ion flange, and washer and self-locking nut.
ST1 498447150 DUMMY SHAFT
ST2 32285AA000 DUMMY COLLAR
(A) Pinion height adjusting shim
(B) Preload adjusting spacer
(C) Preload adjusting washer
G3M0080
S3M0516A