2004 SUBARU IMPREZA WRX Owners Manual

12-1
12
Specifications
Specifications ................................................ 12-2 Dimensions ....................................................... 12-2
Engine ................................................................ 12-3
Electrical system .............................................. 12-3
Capacities .......................................................... 12-4
Tires ................................................................... 12-5
Wheel alignment ............................................... 12-5
Fuses and circuits ........................................ 12-6 Fuse panel located behind the coin tray ....... 12-6
Fuse panel located in the engine compartment 12-8
Bulb chart ...................................................... 12-9
Vehicle identification .................................... 12-10

12-2
Specifications
SpecificationsSpecifications
These specifications are subject to change without notice. !
Dimensions
in (mm)
*1: Measured with vehicle empty
AT: Automatic transmission
MT: Manual transmission
ItemSedanWagon
2.5-liter2.0-liter (Turbo)2.5-liter (Turbo)2.5-liter2.0-liter (Turbo)
RSWRXWRX-STiTSOUTBACK SPORTWRX
Drive systemAWD
Transmission typeATMTATMTMTATMTATMTATMT
Overall length173.8 (4415)
Overall widthSedan68.5 (1740)–
Wagon–66.7 (1695)67.3 (1710)66.7 (1695)
Overall heightWithout
roofrail56.7 (1440)56.3
(1430)57.7 (1465)58.1 (1475)57.7 (1465)
With roofrail–58.5 (1485)58.9 (1495)58.5 (1485)
Wheel base99.4 (2525)100
(2540)99.4 (2525)
TreadFront58.5 (1485)58.7
(1490)57.7 (1465)57.5 (1460)57.7 (1465)
Rear58.1 (1475)58.3 (1480)58.5
(1485)57.3 (1455)
Ground clearance *15.9 (150)6.1 (155)5.7 (145)5.9 (150)6.3 (160)6.1 (155)

12-3
Specifications
– CONTINUED –
!Engine
! Electrical system
AT: Automatic transmission
MT: Manual transmission
Engine modelEJ251(2.5-liter, SOHC, non-turbo)EJ205 (2.0-liter, DOHC, turbo)EJ257 (2.5-liter, DOHC, turbo)
Engine typeHorizontally opposed, liquid cooled 4 cylinder, 4-stroke gasoline engine
Displacement cu in. (cc)150 (2,457)122 (1,994)150 (2,457)
Bore × Stroke in. (mm)3.9 × 3.1 (99.5 × 79.0)3.6 × 2.9 (92.0 × 75.0)3.9 × 3.1 (99.5 × 79.0)
Compression ratio10.0 : 18.0 : 18.2 : 1
Firing order1 – 3 – 2 – 4
Battery type and
capacity (5HR)MT12V-48AH (55D23L)
ATWith 2.5-liter engine12V-52AH (75D23L)
With 2.0-liter turbo engine12V-52AH (65D23L)
Alternator2.5-liter and 2.0-liter turbo engine12V – 75A
2.5-liter turbo engine12V – 90A
Spark plugs2.5-liter engineRC10YC4 (Champion)
BKR6E-11 (NGK)
BKR5E-11 (NGK)
2.0-liter turbo enginePFR6G (NGK)
2.5-liter turbo engineIFLR6B (NGK)

12-4
Specifications !
Capacities
AT: Automatic transmission
MT: Manual transmission
Fuel tank15.9 US gal (60 liters, 13.2 Imp gal)
Engine oil2.5-liter engine model4.2 US qt (4.0 liters, 3.5 Imp qt)
2.0-liter turbo engine model4.8 US qt (4.5 liters, 4.0 Imp qt)
2.5-liter turbo engine model
Transmission oil (MT)5 speed3.7 US qt (3.5 liters, 3.1 Imp qt)
6 speed4.3 US qt (4.1 liters, 3.6 Imp qt)
Transmission oil (AT)10.0 US qt (9.5 liters, 8.4 Imp qt)
Power steering gear fluid0.7 US qt (0.7 liter, 0.6 Imp qt)
Engine coolant2.5-liter engine modelMT7.4 US qt (7.0 liters, 6.2 Imp qt)
AT7.3 US qt (6.9 liters, 6.1 Imp qt)
2.0-liter turbo engine modelMT8.1 US qt (7.7 liters, 6.8 Imp qt)
AT8.0 US qt (7.6 liters, 6.7 Imp qt)
2.5-liter turbo engine modelMT8.1 US qt (7.7 liters, 6.8 Imp qt)

12-5
Specifications
– CONTINUED –
!Tires
! Wheel alignment
Tire sizeP195/60R15 87HP205/55R16 89V215/45R17 87W225/45R17 90W
Wheel size15 × 6 JJ16 × 6 1
/2 JJ17
× 7 JJ17 × 7 1
/2 JJ
PressureFront32 psi (220 kPa, 2.2 kg/cm 2
)33 psi (230 kPa,
2.3 kg/cm 2
)36 psi (250 kPa,
2.5 kg/cm 2
)
Rear29 psi (200 kPa, 2.0 kg/cm 2
)32 psi (220 kPa,
2.2 kg/cm 2
)30 psi (210 kPa,
2.1 kg/cm 2
)
Temporary spare tireSizeT135/70 D16T135/70 D17
Pressure60 psi (420 kPa, 4.2 kg/cm 2
)
ItemSedanWagon
2.5-liter non-
turbo2.0-liter turbo2.5-liter turbo2.5-liter non-turbo2.0-liter turbo
RSWRXWRX-STiTSOUTBACK SPORTWRX
Drive systemAWD
ToeFront0 mm (0 in)
Rear0 mm (0 in)
CamberFront−0 °15’− 0 °25’− 0 °30’− 0 °10’− 0 °05’− 0°20’
Rear− 1 °25’− 1 °30’− 1 °40’− 1 °15’− 1 °10’− 1°20’

12-6
Specifications
Fuses and circuits !
Fuse panel located behind the coin tray
1
23456
78 9101112
13 14 15
16 17 18 19
20 21 22 23
HSC001BB
Fuse panelFuse ratingCircuit
115A"Heater fan
215A"Heater fan
315A"Power door lock
" Remote keyless entry
420A"Cigarette lighter
" Remote controlled rear
view mirrors
510A"Tail light
" Parking light
615A"SRS airbag
715A"Fog light
820A"ABS solenoid
915A"Radio
10Empty
1115A"Engine ignition system
" SRS airbag
" AT control system

12-7
Specifications
– CONTINUED –
1210A"Illumination brightness
control
1310A"Combination meter
" SRS lamp
1410A"Rear window wiper and
washer
1530A"Windshield wiper and
washer
1620A"Brake light
1715A"Air conditioner
1815A"Backup light
" Cruise control
1920A"Mirror heater
20Empty
21Empty
2210A"ABS ignition
Fuse panelFuse ratingCircuit
2320A"Accessory power outlet
(cargo)
" Seat heater
Fuse panelFuse ratingCircuit