Subaru Legacy (2005 year). Manual - part 735

DI-47

DIFFERENTIALS

Rear Differential (VA-type)

18) Remove the rear differential stud bolt from rear
crossmember bushing.

NOTE:
When removing the stud bolt, carefully adjust the
angle and location of transmission jack and jack
stand, if necessary.

19) Lower the transmission jack stand after remov-
ing the rear differential stud bolt from rear cross-
member. Rear drive shaft should not come into
contact with lateral link bolt.

20) Pull out the axle shaft from rear differential.

NOTE:
If it is difficult to remove the axle shaft from rear dif-
ferential, remove it using tire lever.

21) Lower the transmission jack.

22) Secure the rear drive shaft to lateral link using
wire.

23) Remove the rear differential member plate from
rear differential.

B: INSTALLATION

1) Insert the rear differential member plate into rear
differential.

2) Set the rear differential to transmission jack.

NOTE:
Secure the rear differential to transmission jack us-
ing band.

DI-00400

DI-00392

DI-00276

(A) Rear differential member plate

DI-00277

DI-00359

(A)

DI-00359

(A)

DI-48

DIFFERENTIALS

Rear Differential (VA-type)

3) Install the ST to rear differential.
ST

28099PA090

OIL SEAL PROTECTOR

4) Insert the spline shaft until the spline portion
comes inside the side oil seal.
ST

28099PA090

OIL SEAL PROTECTOR

5) Remove ST from rear differential.
ST

28099PA090

OIL SEAL PROTECTOR

6) Push the rear differential to insert the axle shaft
into rear differential.

7) Adjust the transmission jack, if necessary, and
insert the rear differential stud bolt into rear cross-
member bushing properly.

8) After inserting the rear differential stud bolt into
rear crossmember bushing, lift up the transmission
jack and align the rear differential to the height of
rear differential.

9) Tighten a new self-locking nut temporarily to rear
crossmember.

10) Remove the band from rear differential. Lift up
the rear differential until the rear differential is left
from the transmission jack.
11) Install the rear differential front member with a
new self-locking nut.

Tightening torque:

T1: 52 N

⋅

m (5.3 kgf-m, 38 ft-lb)

T2: 110 N

⋅

m (11.2 kgf-m, 81 ft-lb)

DI-00300

DI-00289

DI-00281

DI-00393

DI-00283

DI-00269

DI-00284

DI-49

DIFFERENTIALS

Rear Differential (VA-type)

12) Tighten the self-locking nut.

Tightening torque:

70 N

⋅

m (7.1 kgf-m, 51 ft-lb)

13) Lower the transmission jack.
14) Install the propeller shaft.
<Ref. to DS-11, INSTALLATION, Propeller Shaft.>
15) Install the heat shield cover.
16) Install the rear exhaust pipe and muffler.

C: DISASSEMBLY

1. VA1-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 air breather cap.

NOTE:
• Do not attempt to remove the air breather cap
unless necessary.
• When removing the air breather cap, replace it
with a new one.

5) Remove the lock plate RH and LH.

DI-00269

DI-00129

(A) Air breather cap

(B) Rear cover

DI-00130

(A)

(B)

DI-00131

DI-00132

DI-50

DIFFERENTIALS

Rear Differential (VA-type)

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

499785500

WRENCH ASSY

7) Pull out the differential assembly from differential
carrier.

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

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

499705401

PULLER ASSY

ST2

499705404

SEAT

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

NOTE:
Perform this operation only when replacing 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.
• Never mix up the bearing races RH and LH and
cones.
ST1

899524100

PULLER SET

ST2

399520105

SEAT

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

(A) Bearing race

(B) Holder

DI-00133

DI-00134

ST1

ST2

(B)

(A)

DI-00135

DI-00136

ST2

ST1

DI-00137

DI-00068

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