Subaru Legacy IV (2008 year). Manual — part 863

TPM(diag)-38

General Diagnostic Table

TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS)

12.General Diagnostic Table

A: INSPECTION

Symptoms

Problem parts

Tire pressure warning light illuminates. Tire pressure is reduced.

• Improper tire pressure adjustment.
• Punctured tire

Tire pressure warning light blinks 25
times and then illuminates.

Tire pressure monitoring system
has malfunction.

• Air pressure sensor malfunction
• Air pressure sensor is out of battery.
• Tire pressure monitoring control module is faulty.
• Defective vehicle harness
• Defective combination meter

Tire pressure is dropping but the
warning light does not illuminate.

Tire pressure warning light does
not illuminate.

• Air pressure sensor is faulty.
• Tire pressure monitoring control module is faulty.
• Defective combination meter

DI-2

General Description

DIFFERENTIALS

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 a different rear differential assembly will cause the drive train and tires to drag or emit abnormal
noise.
• For option codes, refer to the “ID” section. <Ref. to ID-2, IDENTIFICATION, Identification.>

Model

Sedan, Wagon

2.5 L Non-turbo

2.5 L Turbo

3.0 L

5MT

4AT

6MT

5MT

5AT

Rear differential type

T-type

VA1-type

T-type

VA2-type

Identification

T1

XJ

HY

EW

XZ

XT

XU

LSD type

—

Torsen

Viscous coupling

Type of gear

Hypoid gear

Gear ratio (Number of gear teeth)

3.900

(39/10)

4.111

(37/9)

3.545

(39/11)

3.900

(39/10)

3.083

(37/12)

3.272

(36/11)

Oil capacity

0.8

2

(0.8 US qt, 0.7 Imp qt)

1.0

2

(1.1 US qt,
0.9 Imp qt)

0.8

2 (0.8 US qt, 0.7 Imp qt)

Rear differential gear oil

GL-5

Model

OUTBACK

2.5 L Non-turbo

2.5 L Turbo

3.0 L

5MT

4AT

5MT

5AT

Rear differential type

T-type

VA2-type

Identification

JE

T2

CD

TP

CF

XU

LSD type

Viscous

coupling

—

Viscous

coupling

—

Viscous coupling

Type of gear

Hypoid gear

Gear ratio (Number of gear teeth)

4.111 (37/9)

4.444 (40/9)

3.272 (36/11)

Oil capacity

0.8

2 (0.8 US qt, 0.7 Imp qt)

Rear differential gear oil

GL-5

DI-3

General Description

DIFFERENTIALS

2. IDENTIFICATION

Identification label positions are shown in the fol-
lowing figures. For details concerning identification,
refer to the “ID” section.
• T-type

• VA1-type

• VA2-type

3. REAR DIFFERENTIAL GEAR OIL

Recommended gear oil:

GL–5 (75W–90)

CAUTION:
Each oil manufacturer has its base oil and addi-
tives. Thus, do not mix two or more brands.

(1) Identification

(1) Identification

(1) Identification

(1)

DI-00502

DI-00396

(1)

DI-00397

(1)

(1) Item

(2) Rear differential gear oil

(3) API classification

(4) SAE viscosity No. and applicable temperature

(1)

(4)

GL-5

(3)

(2)

( C)
( F)

-30 -26 -15

15

90

85W

80W

75W -90

25 30

-5 0

-22 -15

23 32

86

59

77

5

MT-00001

DI-4

General Description

DIFFERENTIALS

4. SERVICE DATA

5. ADJUSTING PARTS

• T-type (except for GT spec. B 6MT model)

Drive pinion bearing
preload
(For new bearing)

Measure with spring measurement.
(Measured from the companion
flange bolt) N (kgf, lbf)

T-type
(Except for GT spec. B
6MT model)

17.7 — 38.8 (1.8 — 4.0, 4.0 — 8.7)

T-type
(GT spec. B 6MT model)

24.1 — 38.6 (2.5 — 3.9, 5.4 — 8.7)

VA-type

12.7 — 32.2 (1.3 — 3.3, 2.9 — 7.2)

Measure with torque wrench
N·m (kgf-m, ft-lb)

T-type
(Except for GT spec. B
6MT model)

0.67 — 1.47 (0.07 — 0.15, 0.49 — 1.08)

T-type
(GT spec. B 6MT model)

0.91 — 1.46 (0.09 — 0.15, 0.67 — 1.08)

VA-type

0.48 — 1.22 (0.05 — 0.12, 0.35 — 0.90)

Side gear backlash

mm (in)

T-type

0.10 — 0.20 (0.004 — 0.008)

VA-type

0.05 — 0.15 (0.002 — 0.006)

Side bearing standard width

mm (in)

20.00 (0.7874)

Hypoid driven gear to drive pinion backlash

mm (in)

T-type

0.10 — 0.20 (0.004 — 0.008)

VA-type

0.10 — 0.15 (0.004 — 0.006)

Hypoid driven gear runout on its back surface

mm (in)

0.05 (0.002)

Preload adjusting spacer

Part No.

Length mm (in)

383695201

56.2 (2.213)

383695202

56.4 (2.220)

383695203

56.6 (2.228)

383695204

56.8 (2.236)

383695205

57.0 (2.244)

383695206

57.2 (2.252)

Preload adjusting washer

Part No.

Thickness mm (in)

383705200

2.59 (0.1020)

383715200

2.57 (0.1012)

383725200

2.55 (0.1004)

383735200

2.53 (0.0996)

383745200

2.51 (0.0988)

383755200

2.49 (0.0980)

383765200

2.47 (0.0972)

383775200

2.45 (0.0965)

383785200

2.43 (0.0957)

383795200

2.41 (0.0949)

383805200

2.39 (0.0941)

383815200

2.37 (0.0933)

383825200

2.35 (0.0925)

383835200

2.33 (0.0917)

383845200

2.31 (0.0909)