SUBARU IMPREZA WRX 2004 2.G Owners Manual

11 - 7 6
Maintenance and service
1) Tail/brake light
2) Rear turn signal light
3) Backup light
3. Remove the bulb holder from the rear combination
light assembly by turning it counterclockwise.
4. Remove the bulb from the socket by pushing it and
turning counterclockwise. Install a new bulb.
5. Set the bulb holder into the rear combination light
assembly and turn it clockwise until it locks.
6. Close the cover and latch the lock.
7. Reinstall the rear combination light assembly and
its side cover. !
License plate light
1. Remove the mounting screws using a phillips
screwdriver.
2. Remove the cover and lens.
3. Pull the bulb out of the socket. Install a new bulb.
4. Reinstall the lens and cover.
5. Tighten the mounting screws.
2
1
3
UGB542BB
UGB543BA

11 -7 7
Maintenance and service
– CONTINUED –
!Dome light, map light and cargo area light
1. Remove the lens by prying the edge of the lens with
HSB088BA
UGB544BA
UGB078BA

11 - 7 8
Maintenance and service
a regular screwdriver.
2. Pull the bulb out of the socket. Install a new bulb.
3. Reinstall the lens. !
Trunk light
0
1. Remove the cover by squeezing its sides and pull-
ing it.
2. Pull the bulb out of the socket. Install a new bulb.
3. Reinstall the cover. !
High mount stop light
! Sedan
1. Remove the high mount stop light cover by prying
the edge with a screwdriver.
2. Pull the bulb out of the socket. Install a new bulb.
3. Reinstall the cover.
UGB545BA
UGB546BA

11 -7 9
Maintenance and service
– CONTINUED –
!Wagon
1. Remove the mounting screw covers by prying the
edge with a screwdriver.
2. Remove the mounting screws using a phillips
screwdriver and then remove the high mount stop light cover.
3. Remove the bulbs from the socket by pushing it
and turning counterclockwise. Install a new bulb.
4. Reinstall the cover.
5. Tighten the mounting screws then reinstall the cov- ers.
NOTE
Other bulbs may be difficult to replace. Have your SUBARU dealer replace these bulbs if necessary.
HSB091BA

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’