2006 SUBARU IMPREZA WRX Owners Manual

11-50 Maintenance and service
7. Put the rear combination light assem-
bly into place while aligning the clip with
the guide on the vehicle and fasten the
bolts.
8. Install the side cover and secure it with
the clips.
License plate light
1. Remove the mounting screws using a
Phillips screwdriver.
2. Remove the lens.
3. Pull the bulb out of the socket. Install a
new bulb.
4. Reinstall the lens.
5. Tighten the mounting screws.
Dome light, map light and
cargo area light
B00530
B00190
700104
700106

Maintenance and service 11-51
– CONTINUED –
1. Remove the lens by prying the edge of
the lens with a flat-head screwdriver.
2. Pull the bulb out of the socket. Install a
new bulb.
3. Reinstall the lens.
Trunk light0
1. Remove the cover by squeezing its
sides and pulling 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 cov-
er by prying the edge with a screwdriver.
2. Remove the bulb socket from the high
mount stop light assembly by turning it
counterclockwise.
3. Pull the bulb out of the socket. Install a
new bulb.
4. Reinstall the cover.
B00461
B00191
B00523

11-52 Maintenance and service
Wagon
1. Remove the mounting screws using a
Phillips screwdriver and then remove the
high mount stop light cover.
2. Remove the bulbs from the socket by
pushing it and turning counterclockwise.
Install a new bulb.
3. Reinstall the cover.
4. Tighten the mounting screws.
NOTE
Other bulbs may be difficult to replace.
Have your SUBARU dealer replace
these bulbs if necessary.
B00531

12
Specifications
Specifications ..................................................... 12-2
Dimensions ........................................ ..................... 12-2
Engine ............................................ .......................... 12-3
Electrical system ................................. ................... 12-3
Capacities ........................................ ........................ 12-4
Tires ............................................. ............................ 12-4
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-liter
non-turbo2.5-liter turbo2.5-liter non-turbo2.5-liter turbo
2.5iWRXWRX-STI2.5iOUTBACK SPORTWRX
Drive systemAWD
Transmission typeATMTATMTMTATMTATMTATMT
Overall length175.8 (4,465)
Overall
widthSedan68.5 (1,740)–
Wagon–66.7 (1,695)67.3 (1,710)66.7 (1,695)
Overall
heightWithout
roofrail56.7 (1,440)56.3 (1,430)57.7 (1,465)58.1 (1,475)57.7 (1,465)
With roofrail–58.5 (1,485)58.9 (1,495)58.5 (1,,485)
Wheel base99.4 (2,525)100 (2,540)99.4 (2,525)
TreadFront58.5 (1,485)58.7 (1,490)57.7 (1,465)57.5 (1,460)57.7 (1,465)
Rear58.1 (1,475)58.3 (1,480)58.9 (1,495)57.3 (1,455)
Ground clearance *16.3 (160)6.3 (160)5.7 (145)6.3 (160)6.7 (170)6.3 (160)

Specifications 12-3
– CONTINUED –
Engine
Electrical system
AT: Automatic transmission
MT: Manual transmission
Engine modelEJ253
(2.5-liter, SOHC, non-turbo)EJ255
(2.5-liter, DOHC, turbo, WRX)EJ257
(2.5-liter, DOHC, turbo, WRX-STI)
Engine typeHorizontally opposed, liquid cooled 4 cylinder, 4-s troke gasoline engine
Displacement cc (cu-in)2,457 (150)
Bore Stroke in (mm)3.9  3.1 (99.5  79.0)
Compression ratio10.0 : 18.4 : 18.2 : 1
Firing order1 – 3 – 2 – 4
Battery type and capacity (5HR)MT12V-48AH (55D23L)
AT12V-52AH (75D23L)
AlternatorWRX12V-110A
Except WRX12V-90A
Spark plugsNon-turbo engineFR5AP-11 (NGK)
Turbo engineILFR6B (NGK)

12-4 Specifications
Capacities
AT: Automatic transmission
MT: Manual transmission
Tires
Fuel tank15.9 US gal (60 liters, 13.2 Imp gal)
Engine oil4.2 US qt (4.0 liters, 3.5 Imp qt)
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)
AT differential gear oil1.3 US qt (1.2 liters, 1.1 Imp qt)
Rear differential gear oilWRX-STI1.1 US qt (1.0 liters, 0.9 Imp qt)
Others0.8 US qt (0.8 liters, 0.7 Imp qt)
Transmission oil (AT)10.0 US qt (9.5 liters, 8.4 Imp qt)
Power steering fluid0.7 US qt (0.7 liter, 0.6 Imp qt)
Engine coolantNon-turbo engineMT7.4 US qt (7.0 liters, 6.2 Imp qt)
AT7.3 US qt (6.9 liters, 6.1 Imp qt)
Turbo engineMT8.1 US qt (7.7 liters, 6.8 Imp qt)
Item2.5i, OUTBACK SPORTWRXWRX-STI
Tire sizeP205/55R16 89V215/45R17 91W225/45R17 90W
Wheel size16  6 1
/2 JJ17
 7 JJ17  8 JJ
PressureFront33 psi (230 kPa, 2.3 kgf/cm 2
)33 psi (230 kPa, 2.3 kgf/cm 2
)36 psi (250 kPa, 2.5 kgf/cm 2
)
Rear30 psi (210 kPa, 2.1 kgf/cm 2
)32 psi (220 kPa, 2.2 kgf/cm 2
)30 psi (210 kPa, 2.1 kgf/cm 2
)
Temporary spare tireSizeT135/70 D16T135/70 D17
Pressure60 psi (420 kPa, 4.2 kgf/cm 2
)

Specifications 12-5
Wheel alignment
ItemSedanWagon
2.5-liter non-turbo2.5-liter turbo2.5-liter non-turbo2.5-liter turbo
2.5iWRXWRX-STI2.5iOUTBACK
SPORTWRX
Drive systemAWD
ToeFront0 in (0 mm)
Rear0 in (0 mm)
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 ’