2005 SUBARU IMPREZA oil temperature

11 -1 5
Maintenance and service
– CONTINUED –
Non-turbo models
7. Remove the oil filter with an oil filter wrench.
8. Before installing a new oil filter, apply a thin coat of
engine oil to the seal.
9. Clean the rubber seal seating area of the bottom of
engine and install the oil filter by hand turning. Be
careful not to twist or damage the seal.
10.Tighten the oil filter by the amount indicated in the
following table after the seal makes contact with the
bottom of engine.
Never over tighten the oil filter because that can
result in an oil leak.
11.Reinstall under cover (for Turbo).
12.Pour engine oil through the filler neck.
Oil capacity (guideline):
4.2 US qt (4.0 liters, 3.5 Imp qt)
The oil quantity indicated above is only guideline.
The necessary quantity of oil depends on the quantity
of oil that has been drained. The quantity of drained oil
differs slightly depending on the temperature of the oil
and the time the oil is left flowing out. After refilling the
engine with oil, therefore, you must the dipstick to con-
firm that the level is correct.
13.Start the engine and make sure that no oil leaks ap-
pear around the filter’s rubber seal and drain plug.
UGB057EA
Oil filter color Part number Amount of rotation Black 15208AA080 1 rotation
White 15208AA09A 2/3 – 3/4 rotation

11 - 1 6
Maintenance and service
14.Run the engine until it reaches the normal operat-
ing temperature. Then stop the engine and wait a few
minutes to allow the oil drain back. Check the oil level
again and if necessary, add more engine oil.
Be careful not to spill engine oil when adding it.
If oil touches the exhaust pipe, it may cause a
bad smell, smoke, and/or a fire.
„ Recommended grade and viscosity
Oil grade:
ILSAC GF-3, which can be identified with the new
API certification mark (Starburst mark)
or API classification SL with the words “ENERGY
CONSERVING” (if you cannot obtain the oil with
SL grade, you may use SJ grade “ENERGY CON-
SERVING” oil).
These recommended oil grades can be identified by
looking for either or both of the following marks dis-
played on the oil container. API Service label
1) Indicates the oil quality by API designations
2) Indicates the SAE oil viscosity grade
3) Indicates that the oil has fuel saving capabilities
APISERVICESL
ENERGYCONSERVING
SAE
5W
30
1
2
3
HSB022BB

11 -1 7
Maintenance and service
– CONTINUED –
New API Certification Mark (Starburst Mark)
In choosing an oil, you want the proper quality and vis-
cosity, as well as one that will add to fuel economy.
The following table lists the recommended viscosities
and applicable temperatures.
When adding oil, different brands may be used togeth-
er as long as they are the same API classification and
SAE viscosity as those recommended by SUBARU. SAE viscosity No. and applicable temperature
*: 5W-30 is preferred.
Engine oil viscosity (thickness) affects fuel economy.
Oils of lower viscosity provide better fuel economy.
However, in hot weather, oil of higher viscosity is re-
quired to properly lubricate the engine.
Use only engine oil with the recommended
grade and viscosity.
AMERICANPETROLEUMINSTITUTE
CERTIFIED
HSB023AA
5W-30*
10W-30, 10W-40
-30 -20 -10 0 10 20 30 40
-20
06 0
20 80 100 40
UGB084BA

11 - 1 8
Maintenance and service
„
Recommended grade and viscosity
under severe driving conditions
If the vehicle is used in desert areas, in areas with very
high temperatures, or used for heavy-duty applica-
tions such as towing a trailer, use of oil with the follow-
ing grade and viscosities is recommended.
API classification SL (or SJ):
SAE viscosity No.: 30, 40, 10W-50, 20W-40, 20W-50
„ Synthetic oil
You can use synthetic engine oil that meets the same
requirements given for conventional engine oil. When
using synthetic oil, you must use oil of the same clas-
sification, viscosity and grade shown in this owner’s
manual, and must follow the oil and filter changing in-
tervals shown in the maintenance schedule.
Cooling system
Never attempt to remove the radiator cap until
the engine has been shut off and has cooled
down completely. Since the coolant is under
pressure, you may suffer serious burns from a
spray of boiling hot coolant when the cap is re-
moved.
y The cooling system has been filled at the fac-
tory with a high quality, corrosion-inhibiting,
year-around coolant which provides protection
against freezing down to –33 °F (–36 °C). For
adding, use genuine SUBARU coolant or an
equivalent: a mixture of 50% soft water and 50%
ethylene-glycol basis coolant. Use of improper
coolants may result in corrosion in the cooling
system. It is important to maintain protection
against freezing and corrosion, even if freezing
temperatures are not expected. Never mix dif-
ferent kinds of coolant. y Do not splash the engine coolant over paint-

11 - 3 6
Maintenance and service
SAE viscosity No. and applicable temperature
Rear differential gear oil „
Checking the gear oil level
Your vehicle may be equipped with a rear differential
protector. The differential protector provides protec-
tion to the rear differential assembly during off-road
use. Removal of the rear differential protector is not re-
quired when checking the oil level.
1) Filler plug
2) Drain plug-30 -20 -10 0 10 20 30 40-20 0 60 20
80W
75W/90 80 100
40
85W 90
HSB036BA
2 1HSB042BB

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

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.

14-2
Index
A
ABS (Anti-lock Brake System) ........................... 7-31
Warning light ........................................ 3-23, 7-32
Accessories .............................................. 5-3, 11-68
Accessory power outlet .............................. 6-8, 6-11
Active head restraint ............................................ 1-6
Air cleaner element ......................................... 11-24
Air conditioner operation ..................................... 4-9
Air filtration system ............................................ 4-18
Air flow selection ................................................. 4-2
All-wheel drive warning light (for AWD AT vehicles) ........................................................ 3-26
Aluminum wheels ............................................ 11-54
Antenna system .................................................. 5-2
Anti-lock Brake System (ABS) ........................... 7-31
Arming the system ............................................. 2-17
Armrest ................................................................ 1-9
Ashtray .............................................................. 6-12
AT OIL TEMPerature warning light ................... 3-22
Audio set ............................................................. 5-3
Auto-dimming mirror/compass .......................... 3-46
Automatic climate control system ...................... 4-11
Automatic transmission ..................................... 7-22
Capacities ..................................................... 12-4
Fluid ............................................................ 11-32
Selector lever ................................................ 7-23
Shift lock release .......................................... 7-27 Temperature warning light ............................ 3-22
Automatic/Emergency Locking Retractor
(A/ELR) .......................................................... 1-15
B
Battery ............................................................. 11-63 Jump starting ................................................ 9-13
Replacement (Remote keyless entry system) ...................................................... 2-11
Brake
Booster ....................................................... 11-42
Fluid ............................................................ 11-40
Pad and lining ............................................. 11-45
Pedal .......................................................... 11-43
Brake pedal
Free play .................................................... 11-43
Reserve distance ........................................ 11-43
Brake system .................................................... 7-30
Warning light ................................................ 3-24
Braking .............................................................. 7-30 Breaking-in of new brake pads and
linings ....................................................... 11-45
Tips ............................................................... 7-30
Bulb
Chart ........................................................... 12-10
Replacing ................................................... 11-69