Subaru Legacy (2005 year). Manual - part 736

DI-51

DIFFERENTIALS

Rear Differential (VA-type)

12) Drive out the pinion shaft lock pin from hypoid
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
unstaking it.
ST

899904100

STRAIGHT PIN REMOVER

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) Support the companion flange with ST and re-
move self-locking nut.
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-
just 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

(A) Side gear

(B) Pinion mate gear

(C) Thrust washer

(D) Differential case

(E) Pinion mate shaft

DI-00237

ST

DI-00238

ST

DI-00141

(A) Companion flange

(B) Puller

(B)

(A)

DI-00142

ST

DI-00073

ST

DI-00074

DI-52

DIFFERENTIALS

Rear Differential (VA-type)

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

398527700

PULLER ASSY

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

398467700

DRIFT

20) When replacing the bearings, hit out the front
bearing cup and rear bearing cup in this order by
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 driv-
en gear and drive pinion
• Hypoid driven gear runout on its back surface
• Total preload of drive pinion
1) Set the ST on vise and install the differential as-
sembly to ST.
ST

398217700

ATTACHMENT SET

2) Drain the gear oil by removing plug.
3) Remove the rear cover by loosening retaining
bolts.

4) Remove the lock plate RH and LH.

(A) Differential carrier

(B) Front oil seal

(A) Pilot bearing

(B) Collar

(C) Front bearing

(D) Rear bearing cup

(A) 2 cutouts along diagonal lines

(B) Hit out alternately with brass bar

(B)

(A)

DI-00145

ST

(B)

(A)

(C)

(D)

DI-00076

(B)

(A)

DI-00077

ST

DI-00363

DI-00388

DI-00364

DI-53

DIFFERENTIALS

Rear Differential (VA-type)

5) Remove the holder RH and LH with ST.
ST

18630AA010

WRENCH ASSY

6) Pull out the differential assembly from differential
carrier.

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

7) Remove the bearing race from holder RH and
LH with ST1 and press.
ST

18758AA000

PULLER

NOTE:
• Make sure the bolt of puller turn manually.

• Set the puller so that its claws catch the groove of
holder.

8) Remove the oil seal from holder RH and LH us-
ing screwdriver.

NOTE:
Perform this operation only when replacing oil seal.

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

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

498077000

REMOVER

ST2

399520105

SEAT

ST

DI-00365

DI-00366

(A) Groove

(B) Claw

(A) Holder

ST

DI-00367

ST

(A)

(B)

(A)

ST

DI-00368

DI-00369

DI-54

DIFFERENTIALS

Rear Differential (VA-type)

ST3

899864100

REMOVER

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

11) Support the companion flange with ST and re-
move self-locking nut.
ST

498427200

FLANGE WRENCH

12) Extract the companion flange with a puller.

13) Removes the drive pinion shaft.

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

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

398517700

REPLACER

15) Remove the front oil seal from differential carri-
er using screwdriver.
16) Remove the pilot bearing, front bearing cone
and collar.

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

(A) Companion flange

(B) Puller

DI-00370

ST1

ST2

ST3

DI-00371

DI-00372

ST

(B)

(A)

DI-00394

(A) Pilot bearing

(B) Collar

(C) Front bearing

(D) Rear bearing cup

(A) 2 cutouts along diagonal lines

(B) Hit out alternately with brass bar

DI-00373

ST

(B)

(A)

(C)

(D)

DI-00374

(B)

(A)

DI-00077