2005 SUBARU IMPREZA WRX recommended oil

11 -3 7
Maintenance and service
– CONTINUED –
1) Filler hole
2) Drain hole
3) Oil level
Remove the plug from the filler hole and check the oil
level. The oil level should be kept even with the bottom
of the filler hole. If the oil level is below the bottom
edge of the hole, add oil through the filler hole to raise the level.
If the vehicle requires frequent refilling, there
may be an oil leak. If you suspect a problem,
have the vehicle checked at your SUBARU deal-
er.
„ Recommended grade and viscosity
Each oil manufacturer has its own base oils and addi-
tives. Never use different brands together.
Oil grade:
API classification GL-5
SAE viscosity No. and applicable temperature
Except Sti version
3 1
2
HSB043BB-30 -20 -10 0 10 20 30 40-20 0 60 20
80W
75W/90 80 100
40
85W 90
HSB036BA

11 -3 9
Maintenance and service
– CONTINUED –
1) Specified range
2. Check the fluid level of the reservoir tank.
When the fluid is hot after the vehicle has been run:
Check that the oil level is between “HOT MIN” and
“HOT MAX” on the surface of the reservoir tank.
When the fluid is cool before the vehicle is run: Check
that the oil level is between “COLD MIN” and “COLD
MAX” on the surface of the reservoir tank.
3. If the fluid level is lower than the applicable “MIN”
line, add the recommended fluid as necessary to bring
the level between the “MIN” and “MAX” line.
If the fluid level is extreme low, it may indicate possible
leakage. Consult your SUBARU dealer for an inspec- tion.
Be careful not to burn yourself because the flu-id may be hot.
y
When power steering fluid is being added,
use only clean fluid, and be careful not to allow
any dirt into the tank. And never use different
brands together.
y Avoid spilling fluid when adding it in the tank.
„ Recommended fluid
“Dexron III” Type Automatic Transmission Fluid
1
1
HSB045BB

13-7
Consumer information and Reporting safety defects
– CONTINUED –
hicle control could lead to an accident. TMeasuring and adjusting air pressure to
achieve proper inflation
Check and, if necessary, adjust the pressure of
each tire (including the spare) at least once a
month and before any long journey. Check the
tire pressures when the tires are cold. Use a
pressure gauge to adjust the tire pressures to the
specific values. Driving even a short distance
warms up the tires and increases the tire pres-
sures. Also, the tire pressures are affected by the
outside temperature. It is best to check tire pres-
sure outdoors before driving the vehicle. When a
tire becomes warm, the air inside it expands,
causing the tire pressure to increase. Be careful
not to mistakenly release air from a warm tire to
reduce its pressure. „ Glossary of tire terminology
y Cold tire pressure
The pressure in a tire that has been driven less
than 1 mile or has been standing for three hours
or more. y Maximum inflation pressure The maximum cold inflation pressure to which a
tire may be inflated. y
Recommended inflation pressure
The cold inflation pressure recommended by a
vehicle manufacturer. y Intended outboard sidewall
1)The sidewall that contains a whitewall, bears
white lettering or bears manufacturer, brand,
and/or model name molding that is higher or
deeper than the same molding on the other
sidewall of the tire, or
2)The outward facing sidewall of an asymmet-
rical tire that has a particular side that must al-
ways face outward when mounting on a vehi- cle.
y Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of floor mats,
leather seats and cross bars to the extent that
these items are available as factory-installed
equipment (whether installed or not). y Curb weight
The weight of a motor vehicle with standard
equipment including the maximum capacity of fu-
el, oil, and coolant and air conditioning.

14-7
Index
P
Parking
Brake ............................................................ 7-36
Brake stroke ............................................... 11-46
Light switch ................................................... 3-35
Tips ............................................................... 7-36
Periodic inspections ............................................ 8-6 Power Door locking switches ..................................... 2-8
Steering ........................................................ 7-29
Steering fluid ............................................... 11-38
Windows ....................................................... 2-24
Preparing to drive ................................................ 7-9
Printed antenna ................................................... 5-2 R
Rear Combination lights ...................................... 11-78
Differential gear oil ...................................... 11-36
Differential oil temperature warning light ...... 3-23
Gate .............................................................. 2-31
Seats .............................................................. 1-8
Rear seat Folding down (Wagon) ................................. 1-12
Rear window
Defogger button ............................................ 3-41
Wiper and washer switch .............................. 3-40 Recommended
Automatic transmission fluid ....................... 11-34
Brake fluid ................................................... 11-40
Clutch fluid .................................................. 11-42
Oil grade and viscosity ................... 11-16, 11-18, 11-31, 11-35, 11-37
Power steering fluid .................................... 11-39
Spark plugs ................................................. 11-28
Remote keyless entry system ............................. 2-9
Replacement Brake pad and lining ................................... 11-45
Wiper blades ............................................... 11-57
Replacing
Air cleaner element ..................................... 11-24
Battery (Remote keyless entry system) ........ 2-11
Lost transmitters (keyless entry system) ...... 2-13
Replacing bulbs ............................................... 11-69
Cargo area light .......................................... 11-81
Dome light .................................................. 11-81
Front fog light .............................................. 11-78
Front turn signal light .................................. 11-73
Headlights ................................................... 11-70
High mount stop light .................................. 11-83
License plate light ....................................... 11-81
Map light ..................................................... 11-81
Parking light ................................................ 11-74
Rear combination lights .............................. 11-78

GAS STATION REFERENCE
Fuel: T2.5-liter non-turbo models
Use only unleaded gasoline with an octane rating of 87 AKI
or higher. T 2.0-liter turbo models
Use premium unleaded gasoline with an octane rating of 91
AKI or higher. If premium unleaded gasoline is not avail-
able, regular unleaded gasoline with octane rating of 87
AKI or higher may be temporarily used. For optimum en-
gine performance and driveability, it is required that you
use premium grade unleaded gasoline. T 2.5-liter turbo models
Use premium unleaded gasoline with an octane rating of 93
AKI or higher. If premium unleaded gasoline with an octane
rating of 93 AKI is not available, premium unleaded gaso-
line with octane rating of 91 AKI or higher may be tempo-
rarily used. For optimum engine performance and driveabil- ity, it is required that you use premium grade unleaded gas-
oline with an octane rating of 93 AKI or higher. „
Fuel octane rating
This octane rating is the average of the Research Octane
and Motor Octane numbers and is commonly referred to as
the Anti Knock Index (AKI). Refer to “ Fuel” section in this
manual. Fuel capacity:
15.9 US gal (60 liters, 13.2 Imp gal) Engine oil:
Use only API classification SL with the words “ENERGY
CONSERVING” and the New API certification mark (star-
burst mark) displayed on the container. Engine oil capacity:
4.2 US qt (4.0 liters, 3.5 Imp qt)
Cold tire pressure:
*1: The recommended cold tire pressure for the 215/45R17 87W tire is not indicated on the vehicle placard attached to the
driver’s side B-pillar since this tire is a dealer option for the WRX. If your vehicle is equipped with 215/45R17 87W tires, be
sure to adjust them to the air pressure shown on this page.
ItemRS, RS sport package, WRXWRX (option tire) *1WRX-STi
Tire sizeP205/55R16 89V215/45R17 87W225/45R17 90W
Wheel size16
× 6 1
/2 JJ17
× 7 JJ17 × 8 JJ
PressureFront32 psi (220 kPa, 2.2 kgf/cm 2
)33 psi (230 kPa, 2.3 kgf/cm 2
)36 psi (250 kPa, 2.5 kgf/cm 2
)
Rear29 psi (200 kPa, 2.0 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
)