Subaru Legacy IV (2008 year). Manual - part 870

DI-29

Front Differential Assembly

DIFFERENTIALS

3. Front Differential Assembly

A: NOTE

1. AT MODEL

• 4AT
For front differential of 4AT model, refer to “4AT”
section. <Ref. to 4AT-95, Front Differential Assem-
bly.>
• 5AT
For front differential of 5AT model, refer to “5AT”
section. <Ref. to 5AT-92, Front Differential Assem-
bly.>

2. MT MODEL

• 5MT
For front differential for the 5MT model, refer to the
“5MT” section. <Ref. to 5MT-69, Front Differential
Assembly.>
• 6MT
For front differential for the 6MT model, refer to the
“6MT” section. <Ref. to 6MT-100, Front Differential
Assembly.>

DI-30

Rear Differential (T-type)

DIFFERENTIALS

4. Rear Differential (T-type)

A: REMOVAL

1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Shift the select lever or gear shift lever to neutral.
4) Release the parking brake.
5) Loosen the wheel nuts.
6) Lift up the vehicle.
7) Remove the wheels.
8) Drain the differential gear oil. <Ref. to DI-26, RE-
PLACEMENT, Differential Gear Oil.>
9) Remove the rear exhaust pipe and muffler. 
• 2.5 L SOHC non-turbo model
<Ref. to EX(H4SO)-8, REMOVAL, Rear Exhaust
Pipe.> <Ref. to EX(H4SO)-10, REMOVAL, Muf-
fler.>
• 2.5 L DOHC turbo model
<Ref. to EX(H4DOTC)-12, REMOVAL, Rear Ex-
haust Pipe.> <Ref. to EX(H4DOTC)-14, REMOV-
AL, Muffler.>
10) Remove the heat shield cover.

11) Remove the propeller shaft. <Ref. to DS-10,
REMOVAL, Propeller Shaft.>
12) Prepare the transmission jack and band.

13) Loosen the self-lock nuts which hold the rear
differential to rear crossmember.

14) Remove the DOJ of rear drive shaft from rear
differential using ST.
ST

28099PA100

DRIVE SHAFT REMOVER

15) Remove the rear differential front member.

16) Support the rear differential with the transmis-
sion jack.

17) Secure the rear differential using band.
18) Remove the self-lock nuts which hold the rear
differential to the crossmember.

AT-01331

DI-00268

(A) Bolt

DI-00269

DI-00270

(A)

ST

DI-00358

DI-00273

DI-31

Rear Differential (T-type)

DIFFERENTIALS

19) 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

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

21) Pull out the axle shaft from rear differential.

NOTE:
If it is difficult to remove the axle shaft from the rear
differential, remove it using a ST.
ST

28099PA100

DRIVE SHAFT REMOVER

22) Lower the transmission jack.

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

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

DI-00400

DI-00392

DI-00276

(A) Rear differential member plate

DI-00277

DI-00359

(A)

DI-32

Rear Differential (T-type)

DIFFERENTIALS

B: INSTALLATION

1) Install the rear differential member plate to the
rear differential.

2) Set the rear differential to transmission jack.

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

5) Remove ST from rear differential.

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
the rear crossmember bushing, lift up the transmis-
sion jack and align the rear differential to its attach-
ment position.

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

(A) Rear differential member plate

DI-00359

(A)

DI-00279

ST

DI-00280

DI-00281

DI-00393

DI-00283

DI-00269