Subaru Legacy IV (2008 year). Manual - part 878

DI-61

Rear Differential (VA-type)

DIFFERENTIALS

7) Pull out the differential case assembly from dif-
ferential carrier.

NOTE:
Be careful not to hit the teeth against the case.

8) Remove the bearing race from side retainer RH
and LH with ST1 and ST2.
ST1

499705401

PULLER ASSY

ST2

499705404

SEAT

9) Remove the oil seal from the side retainer RH
and LH using a screwdriver.

NOTE:
Perform this operation only when changing oil seal.

10) Extract the bearing cone with ST1 and ST2.

NOTE:
• Do not attempt to disassemble the parts unless
necessary.
• Set the puller so that its claws catch the edge of
the bearing cone.
• Store so that the right and left side bearing races
and cones are not mixed together.
ST1

899524100

PULLER SET

ST2

399520105

SEAT

11) Remove the hypoid driven gear by loosening
hypoid driven gear bolts.

12) Drive out the pinion shaft lock pin from the hy-
poid driven gear side.

NOTE:
The lock pin is staked at the pin hole end on the dif-
ferential case. Do not drive it out forcibly before re-
moving the stake.
ST

899904100

STRAIGHT PIN REMOVER

(A) Bearing race

(B) Side retainer

DI-00134

ST1

ST2

(B)

(A)

DI-00135

DI-00136

ST2

ST1

DI-00137

DI-00068

DI-00237

ST

DI-62

Rear Differential (VA-type)

DIFFERENTIALS

13) Draw out the pinion mate shaft and remove pin-
ion mate gears, side gears and thrust washers.

NOTE:
The gears should be marked or kept separated
right and left, and front and rear as well as thrust
washers.

14) Remove the self-locking nut while holding the
companion flange with ST.
ST

498427200

FLANGE WRENCH

15) Extract the companion flange with a puller.

16) Press the end of drive pinion shaft and extract it
together with rear bearing cone, pinion height ad-
justing washer and washer.

NOTE:
Hold the drive pinion so as not to drop it.
ST

398467700

DRIFT

17) Remove the rear bearing cone from drive pin-
ion by supporting the cone with ST.

NOTE:
Place the replacer so that its center-recessed side
faces the pinion gear.
ST

498515500

REPLACER

18) Remove the front oil seal from differential carri-
er using ST.
ST

398527700

PULLER ASSY

(A) Side gear

(B) Pinion mate gear

(C) Thrust washer

(D) Differential case

(E) Pinion mate shaft

(A) Companion flange

(B) Puller

DI-00238

ST

DI-00141

(B)

(A)

DI-00142

(A) Differential carrier

(B) Front oil seal

ST

DI-00073

ST

DI-00074

(B)

(A)

DI-00145

DI-63

Rear Differential (VA-type)

DIFFERENTIALS

19) Remove the pilot bearing together with the front
bearing cone and spacer using the ST.
ST

398467700

DRIFT

20) When replacing the bearings, hit out the front
bearing cup and rear bearing cup in this order using
a brass bar.

2. VA2-TYPE

To detect the real cause of trouble, inspect the fol-
lowing items before disassembling.
• Tooth contact and backlash between hypoid
driven gear and drive pinion
• Total preload of drive pinion
1) Set the ST on vise and install the differential as-
sembly to ST.
ST

398217700

ATTACHMENT SET

2) Remove the oil drain plug and filler plug, and
drain the gear oil.
3) Remove the mounting bolts, and remove the
rear cover.

NOTE:
Remove by tapping with a plastic hammer.

4) Remove the air breather cap.

NOTE:
• Do not attempt to replace the air breather cap un-
less necessary.
• Whenever the air breather cap is removed, re-
place it with a new part.

5) Remove the lock plate RH and LH.

(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.

ST

(B)

(A)

(C)

(D)

DI-00076

(B)

(A)

DI-00077

ST

DI-00363

(A) Air breather cap

(B) Rear cover

DI-00388

DI-00562

(A)

(B)

DI-00364

DI-64

Rear Differential (VA-type)

DIFFERENTIALS

6) Remove the side retainer RH and LH with the
ST.
ST

18630AA010

WRENCH COMPL 
RETAINER

7) Pull out the differential case assembly from dif-
ferential carrier.

NOTE:
Be careful not to hit the teeth against the case.

8) Remove the bearing race from side retainer RH
and LH with ST and a press.
ST

18758AA000

PULLER

NOTE:
• Be sure to turn the bolt of puller manually.
• Set the puller so that its claws catch the groove
of side retainer.

9) Remove the oil seal from the side retainer RH
and LH using a screwdriver.

NOTE:
Perform this operation only when changing oil seal.

10) Extract the bearing cone with ST1, ST2 and
ST3.

NOTE:
• Do not attempt to disassemble the parts unless
necessary.
• Never mix up the RH and LH bearing races and
cones.
ST1

498077000

REMOVER

ST2

399520105

SEAT

ST3

899864100

REMOVER

(A) Groove

(B) Claw

ST

DI-00365

DI-00366

ST

DI-00367

ST

(A)

(B)

(A) Side retainer

(A)

ST

DI-00368

DI-00369

DI-00370

ST1

ST2

ST3