Subaru Legacy (2005 year). Manual — part 723

WT-11

WHEEL AND TIRE SYSTEM

General Diagnostic Table

Abnormal tire wear

Improperly inflated tire.

Adjust the tire pressure.

Improper wheel balancing

Check the wheel balance. <Ref. to
WT-7, ADJUSTMENT, Wheel Bal-
ancing.>

Front wheel alignment

Check the front wheel alignments.
<Ref. to FS-7, INSPECTION, Wheel
Alignment.>

Rear wheel alignment

Check the rear wheel alignments.
<Ref. to RS-8, INSPECTION, Wheel
Alignment.>

Symptom

Possible cause

Corrective action

WT-12

WHEEL AND TIRE SYSTEM

General Diagnostic Table

DIFFERENTIALS

DI

Page

1.

General Description . . . . . . . . . . . . . . . . . . . . . 2

2.

Differential Gear Oil. . . . . . . . . . . . . . . . . . . . ...26

3.

Front Differential Assembly . . . . . . . . . . . . . . . . . ...28

4.

Rear Differential (T-type). . . . . . . . . . . . . . . . . . ...29

5.

Rear Differential (VA-type) . . . . . . . . . . . . . . . . . . 46

6.

Rear Differential Front Oil Seal . . . . . . . . . . . . . . . . .72

7.

Rear Differential Side Oil Seal . . . . . . . . . . . . . . . . ..74

8.

Rear Differential Front Member. . . . . . . . . . . . . . . . .75

9.

General Diagnostic Table. . . . . . . . . . . . . . . . . . ..76

DI-2

DIFFERENTIALS

General Description

1. General Description

A: SPECIFICATION

1. REAR DIFFERENTIAL

When replacing a rear differential assembly, select the correct one according to the following table.

NOTE:
• Using the different rear differential assembly causes the drive line and tires to “drag” or emit noise.
• For option code, refer to “ID” section. <Ref. to ID-2, IDENTIFICATION, Identification.>

★1

: Option code

Model

Sedan, Wagon

2.0 L Non-turbo

2.0 L

Turbo

2.5 L

3.0 L

2.0 L

Turbo

4 AT

5 MT

5 MT

4 AT

5 MT

5 AT

KA, KS

★1

EC, EK,

K4

★1

Rear differential type

VA1-type

T-type

VA2-type

Classification

XJ

T2

JP

T2

VB

XT

XU

LSD type

—

Viscous

coupling

—

Viscous coupling

Type of gear

Hypoid gear

Gear ratio (Number of
gear teeth)

4.111 (37/9)

3.700

(37/10)

3.083

(37/12)

3.272

(36/11)

Oil capacity

0.8

2 (0.8 US qt, 0.7 Imp qt)

Rear differential gear oil

GL-5

Model

Sedan,
Wagon

OUTBACK

3.0 L

2.5 L

3.0 L

6 MT

4 AT

5 MT

5 AT

EC, EK,

K4

★1

KS, KA

★1

Rear differential type

T-type

VA2-type

Classification

FM

CF

EZ

JE

XU

LSD type

Viscous coupling

Type of gear

Hypoid gear

Gear ratio (Number of
gear teeth)

3.545

(39/11)

4.444

(40/9)

3.900

(39/10)

4.111

(37/9)

3.272

(36/11)

Oil capacity

0.8

2 (0.8 US qt, 0.7 Imp qt)

Rear differential gear oil

GL-5