Subaru Legacy IV (2008 year). Service manual — part 1
SPC-2
LEGACY
SPECIFICATIONS
1. LEGACY
A: DIMENSION
1. SEDAN MODEL
*1
: With sunroof
*2
: 2.5 GT spec. B model
2. WAGON MODEL
*1
: With sunroof
Model
2.5 L SOHC
2.5 L DOHC turbo
3.0 L DOHC
Overall length
mm (in)
4,700 (185.0)
Overall width
mm (in)
1,730 (68.1)
Overall height (at C.W.)
mm (in)
1,425 (56.1)
1,425 (56.1), 1,435 (56.5)
*2
1,435 (56.5)
Compartment
Length
mm (in)
1,900 (74.8)
Width
mm (in)
1,445 (56.9)
Height
mm (in)
1,165 (45.9), 1,100 (43.3)
*1
Wheelbase
mm (in)
2,670 (105.1)
Tread
Front
mm (in)
1,495 (58.9)
Rear
mm (in)
1,485 (58.5)
Minimum road clearance
mm (in)
150 (5.9)
150 (5.9), 160 (6.3)
*2
160 (6.3)
Model
2.5 L SOHC
2.5 L DOHC turbo
Overall length
mm (in)
4,785 (188.4)
Overall width
mm (in)
1,730 (68.1)
Overall height (at C.W.)
mm (in)
1,475 (58.1)
Compartment
Length
mm (in)
1,840 (72.4)
Width
mm (in)
1,445 (56.9)
Height
mm (in)
1,190 (46.9), 1,145 (45.1)
*1
Wheelbase
mm (in)
2,670 (105.1)
Tread
Front
mm (in)
1,495 (58.9)
Rear
mm (in)
1,485 (58.5)
Minimum road clearance
mm (in)
150 (5.9)
155 (6.1)
SPC-3
LEGACY
SPECIFICATIONS
B: ENGINE
C: ELECTRICAL
Model
2.5 L SOHC
2.5 L DOHC turbo
3.0 L DOHC
Engine type
Horizontally opposed, liquid cooled, 4-cylinder,
4-stroke gasoline engine
Horizontally opposed,
liquid cooled, 6-cylinder,
4-stroke gasoline engine
Valve arrangement
Overhead camshaft
Bore × stroke
mm (in)
99.5 × 79.0 (3.917 × 3.110)
89.2 × 80.0
(3.512 × 3.150)
Displacement
cm
3
(cu in)
2,457 (149.9)
3,000 (183.06)
Compression ratio
10.0
8.4
10.7
Ignition order
1 — 3 — 2 — 4
1 — 6 — 3 — 2 — 5 — 4
Idle speed at Park
or Neutral position
rpm
650 (MT)
700 (AT)
750
650
Maximum output
kW (HP)/rpm
125 (170)/6,000
184 (243)/6,000
185 (245)/6,600
Maximum torque
N·m (kgf-m, ft-lb)/rpm
230 (23.5, 170)/4,400
327 (33.3, 241)/3,600
291 (29.7, 215)/4,200
Model
2.5 L SOHC
2.5 L DOHC turbo
3.0 L DOHC
Ignition timing (at idling)
BTDC
MT: 10°
AT: 15°
MT: 12°
AT: 17°
15°
Spark plug
Type and manufacturer
NGK: FR5AP-11
NGK: SILFR6A
NGK: ILFR6B
Generator
12 V — 110 A
Battery
Type and capacity
(5HR)
MT
12V — 48AH (55D23L)
AT
12V — 52AH (75D23L)
SPC-4
LEGACY
SPECIFICATIONS
D: TRANSMISSION
1. MT
5MT: 5-forward speeds with synchromesh and 1-reverse
6MT: 6-forward speeds with synchromesh and 1-reverse
DSPD: Dry Single Plate Diaphragm
2. AT
4AT: Electronically controlled fully-automatic, 4-forward speeds and 1-reverse
5AT: Electronically controlled fully-automatic, 5-forward speeds and 1-reverse
TCC: Torque Converter Clutch
Model
2.5 L SOHC
2.5 L DOHC turbo
Transmission type
5MT
5MT
6MT
Clutch type
DSPD
DSPD
DSPD
Gear ratio
1st
3.454
3.166
3.636
2nd
2.062
1.882
2.235
3rd
1.448
1.296
1.521
4th
1.088
0.972
1.137
5th
0.780
0.738
0.891
6th
—
—
0.707
Rev.
3.333
3.333
3.545
Reduction gear (Front)
Type of gear
Hypoid
Hypoid
Hypoid
Gear ratio
3.900
3.900
3.900
Reduction
gear (Rear)
Transfer reduction
Type of gear
Helical
Helical
Helical
Gear ratio
1.000
1.000
1.100
Final reduction
Type of gear
Hypoid
Hypoid
Hypoid
Gear ratio
3.900
3.900
3.545
Model
2.5 L SOHC
2.5 L DOHC turbo
3.0 L DOHC
3.0 R
3.0 R LTD
Transmission type
4AT
5AT
5AT
Clutch type
TCC
TCC
TCC
Gear ratio
1st
2.785
3.540
3.540
2nd
1.545
2.264
2.264
3rd
1.000
1.471
1.471
4th
0.694
1.000
1.000
5th
—
0.834
0.834
6th
—
—
—
Rev.
2.272
2.370
2.370
Reduction
gear (Front)
1st reduction
Type of gear
Helical
Helical
Helical
Gear ratio
1.000
1.000
1.000
Final reduction
Type of gear
Hypoid
Hypoid
Hypoid
Gear ratio
4.111
3.083
3.083
3.272
Reduction gear (Rear)
Type of gear
Hypoid
Hypoid
Hypoid
Gear ratio
4.111
3.083
3.083
3.272
SPC-5
LEGACY
SPECIFICATIONS
E: STEERING
F: SUSPENSION
G: BRAKE
H: TIRE
I:
CAPACITY
Model
2.5 L SOHC
2.5 L DOHC turbo
3.0 L DOHC
GT spec. B
GT
3.0 R LTD
3.0 R
Type
Rack and pinion
Turns, lock to lock
3.2
2.6
2.8
2.6
2.8
Minimum turning
diameter
m (ft)
Curb to curb
10.8 (35.4)
11.6 (38.0)
10.8 (35.4)
11.6 (38.0)
10.8 (35.4)
Wall to wall
11.6 (38.1)
12.4 (40.7)
11.6 (35.4)
12.4 (40.7)
11.6 (35.4)
Front
Macpherson strut type suspension
Rear
Multi-link type suspension
Model
2.5 L SOHC
2.5 L DOHC turbo
3.0 L DOHC
Service brake system
Dual circuit hydraulic with vacuum suspended power unit
Front
Ventilated disc brake
Rear
Disc brake
Ventilated disc brake
Parking brake
Mechanical on rear brakes
Model
2.5 L SOHC
2.5 L DOHC turbo
3.0 L DOHC
Canada model
Except Can-
ada model
2.5 GT spec.
B
Except 2.5 GT
spec.B
3.0 R
3.0 R LTD
Wheel size
16 × 6
1
/
2
JJ
17 × 7JJ
18 × 7JJ
17 × 7JJ
17 × 7JJ
18 × 7JJ
Tire size
P205/55 R16
89H
P205/50 R17
88V
215/45 R18
89Y
215/45 R17
91W
215/45 R17
91W
P215/45 R18
89W
Type
Tubeless, Steel belted radial
Model
2.5 L SOHC
2.5 L DOHC turbo
3.0 L
DOHC
5MT
4AT
5MT
5AT
6MT
5AT
Fuel tank
2 (US gal, Imp gal)
64 (16.9, 14.1)
Engine
oil
Total capacity
(Overhaul)
2 (US qt, Imp qt)
5.0 (5.3, 4.4)
7.0
(7.4, 6.2)
Filling amount of
engine oil
2 (US qt, Imp qt)
When replacing
engine oil and oil filter
4.2 (4.4, 3.7)
4.3 (4.5, 3.8)
5.7
(6.0, 5.0)
When replacing
engine oil only
4.0 (4.2, 3.5)
5.5
(5.8, 4.8)
Transmission gear oil
2 (US qt, Imp qt)
3.5
(3.7, 3.1)
—
3.5
(3.7, 3.1)
—
4.1
(4.3, 3.6)
—
ATF
2 (US qt, Imp qt)
—
9.3
(9.8, 8.2)
—
9.8
(10.4, 8.6)
—
9.8
(10.4, 8.6)
Front differential gear oil
2 (US qt, Imp qt)
—
1.2
(1.3, 1.1)
—
1.4
(1.5, 1.2)
—
1.4
(1.5, 1.2)
Rear differential gear oil
2 (US qt, Imp qt)
0.8 (0.8, 0.7)
1.0
(1.1, 0.9)
0.8
(0.8, 0.7)
Power steering fluid
2 (US qt, Imp qt)
0.7 (0.7, 0.6)
Engine coolant
2 (US qt, Imp qt)
6.4
(6.8, 5.6)
6.3
(6.7, 5.5)
7.3
(7.7, 6.4)
7.2
(7.6, 6.3)
7.3
(7.7, 6.4)
7.2
(7.6, 6.3)
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