Subaru 2009 IMPREZA, Service Manual

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DI-22
Rear Differential
DIFFERENTIALS
17) Remove the pilot bearing together with the front
bearing cone and spacer using the ST.
ST
398467700 DRIFT
18) When replacing the bearings, use a brass bar
to tap out the front bearing cup and rear bearing
cup (in this order).
D: ASSEMBLY
NOTE:
• Assemble in the reverse order of disassembly.
• 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 RH and LH bearing
races.
• Use a new O-ring and gasket.
• Replace the oil seal with a new part at every dis-
assembly.
• Be careful not to mix up the oil seal RH and LH.
• Apply differential gear oil to the lips when install-
ing the oil seal.
1) Adjusting preload for front and rear bearings
NOTE:
Adjust the bearing preload between front and rear
bearings with spacer 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
(2) Install the front bearing race to the differen-
tial carrier using ST1 and ST2.
ST1 398477701 HANDLE
ST2 398477702 DRIFT
(A) Pilot bearing
(B) Spacer
(C) Front bearing
(D) Rear bearing cup
(A) 2 cutout portions along diagonal lines
(B) Tap alternately with brass bar.
DI-00076
ST
(B)
(A) (C)
(D)
DI-00077
(B)
(A)
DI-00078
DI-00079
ST2
ST1