Subaru Legacy IV (2008 year). Service 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)
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