2012 SUBARU IMPREZA WRX STI power steering fluid
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Getting
Started Instrument
Panel Gauges
Personalize Controls While
OperatingSafety / In Case
of Emergency Additional
Information
Impreza WRX Engine Compartment
1
1. Power Steering Fluid Reservoir Check your power steering fluid level
monthly. The power steering fluid expands
greatly as its temperature rises and
the fluid level differs according to fluid
temperature. Therefore, the reservoir tank
has two different checking ranges for
hot and cold fluid. Please refer to your
Owner’s Manual for details.
2. Air Cleaner Element This element filters intake air. Follow the
N B J O U F O B O D F H V J E F M J O F T J O Z P V S i 8 B S S B O U Z
B O E . B J O U F O B O D F w C P P L M F U 8 I F O
necessary, replace this element with a
genuine Subaru air cleaner.
3. Radiator Cap If your engine overheats, safely pull off the
road and stop your vehicle in a safe place.
/ F W F S B U U F N Q U U P S F N P W F U I F S B E J B U P S D B Q
until the engine has been shut off and has
fully cooled down. If steam is coming from
the engine compartment, turn the engine
off and move everyone away from the
vehicle until it cools. Please refer to your
Owner’s Manual for details. 4. Intercooler
The intercooler is positioned behind
the throttle body to cool intake air and
improve supercharging efficiency. (Intake
air passing through the turbocharger gets
very warm, which could result in lower
supercharging efficiency.) To prevent
damage to this important system, avoid
placing tools and other objects on
the intercooler.
5. Engine Oil Level Gauge Check the engine oil level at each fuel
stop. Pull out the dipstick, wipe it clean,
and insert it again. Pull it out and check
the oil level. If it’s below the lower level,
add oil to bring the level up to the
upper level. (Use only engine oil of the
recommended grade and viscosity.
Please refer to your Owner’s Manual
for oil recommendations and other
important details.) 6. Engine Coolant Reservoir
Check your coolant level at each
fuel stop. Observe the coolant
level on the outside of the reservoir
while the engine is cool. If the level
J T D M P T F U P o P S M P X F S U I B O o U I F
i - 0 8 w M F W F M N B S L
B E E D P P M B O U U P
U I F i ' 6 - - w M F W F M N B S L * G U I F S F T F S W F
tank is empty, remove the radiator
cap and refill as required. Please
refer to your Owner’s Manual for
details.
7. Engine Oil Filler Cap Change your oil according to
the maintenance schedule in
Z P V S i 8 B S S B O U Z B O E . B J O U F O B O D F
# P P L M F U w : P V S F O H J O F P J M N V T U C F
changed more frequently when you
drive on dusty roads, frequently
make short trips, or when you drive
in extremely cold weather.
8. Brake Fluid Reservoir Check your brake fluid level
monthly. Observe the fluid level on
the outside of the reservoir. If the
M F W F M J T C F M P X U I F i . * / w M F W F M N B S L
add the recommended brake fluid
' . 7 4 4 / P
G S F T I % 0 5 P S
C S B L F þ V J E
U P U I F i . " 9 w M F W F M
mark. Use only brake fluid from
a sealed container.
9. Battery When your vehicle does not start
due to a battery that has run down,
the vehicle may be jump-started by
connecting your battery to another
battery with jumper cables. Jump-starting is dangerous if
done incorrectly. Please refer
to your Owner’s Manual for
instructions. If you’re unsure
about how to jump-start your
vehicle, please consult a
competent mechanic.
10. Windshield Washer Tank It’s a good idea to check your washer fluid every time you stop
for fuel. If the level is low, fill the
windshield washer tank to the
neck of the reservoir with
windshield washer fluid. In cold
weather, use a freeze resistant
windshield washer fluid.
11. Main Fuse Box Your Impreza WRX has two fuse boxes. One is located under the
instrument panel, behind the
fuse box cover on the driver’s
seat side. The other is housed
in your engine compartment, as
shown here. Fuses are designed
to melt during an overload
situation in order to prevent
damage to the wiring harness and
electrical equipment. If any lights,
accessories or electrical controls
fail to operate properly, inspect
the corresponding fuse. If it has
blown, replace it in accordance
with the instructions in your
Owner’s Manual. The fuse puller
and spare fuses are located
in the main fuse box in the
engine compartment.
119
3
8
5
7
10
2
4
6
27
GetGttintigStartedInsItrument PanelGauGgesPerPsonalilizeConCtrotlslWhile OperatingSafSfetyt / /In ICasCeof EmergencyAddAdditiiional lInformation
While
Operating
Page 17 of 463
29
28
Getting
Started Instrument
Panel Gauges
Personalize Controls While
OperatingSafety / In Case
of Emergency Additional
Information
Impreza WRX STI Engine Compartment
1
1. Power Steering Fluid Reservoir Check your power steering fluid level
monthly. The power steering fluid expands
greatly as its temperature rises and
the fluid level differs according to fluid
temperature. Therefore, the reservoir tank
has two different checking ranges for
hot and cold fluid. Please refer to your
Owner’s Manual for details.
2. Air Cleaner Element This element filters intake air. Follow the
N B J O U F O B O D F H V J E F M J O F T J O Z P V S i 8 B S S B O U Z
B O E . B J O U F O B O D F w C P P L M F U 8 I F O
necessary, replace this element with a
genuine Subaru air cleaner.
3. Radiator Cap If your engine overheats, safely pull off the
road and stop your vehicle in a safe place.
/ F W F S B U U F N Q U U P S F N P W F U I F S B E J B U P S D B Q
until the engine has been shut off and has
fully cooled down. If steam is coming from
the engine compartment, turn the engine
off and move everyone away from the
vehicle until it cools. Please refer to your
Owner’s Manual for details. 4. Intercooler
The intercooler is positioned behind
the throttle body to cool intake air and
improve supercharging efficiency. (Intake
air passing through the turbocharger gets
very warm, which could result in lower
supercharging efficiency.) To prevent
damage to this important system, avoid
placing tools and other objects on
the intercooler.
5. Engine Oil Level Gauge Check the engine oil level at each fuel
stop. Pull out the dipstick, wipe it clean,
and insert it again. Pull it out and check
the oil level. If it’s below the lower level,
add oil to bring the level up to the
upper level. (Use only engine oil of the
recommended grade and viscosity.
Please refer to your Owner’s Manual
for oil recommendations and other
important details.) 6. Engine Coolant Reservoir
Check your coolant level at each
fuel stop. Observe the coolant
level on the outside of the reservoir
while the engine is cool. If the level
J T D M P T F U P o P S M P X F S U I B O o U I F
i - 0 8 w M F W F M N B S L
B E E D P P M B O U U P
U I F i ' 6 - - w M F W F M N B S L * G U I F S F T F S W F
tank is empty, remove the radiator
cap and refill as required. Please
refer to your Owner’s Manual for
details.
7. Engine Oil Filler Cap Change your oil according to
the maintenance schedule in
Z P V S i 8 B S S B O U Z B O E . B J O U F O B O D F
# P P L M F U w : P V S F O H J O F P J M N V T U C F
changed more frequently when you
drive on dusty roads, frequently
make short trips, or when you drive
in extremely cold weather.
8. Brake Fluid Reservoir Check your brake fluid level
monthly. Observe the fluid level on
the outside of the reservoir. If the
M F W F M J T C F M P X U I F i . * / w M F W F M N B S L
add the recommended brake fluid
' . 7 4 4 / P
G S F T I % 0 5 P S
C S B L F þ V J E
U P U I F i . " 9 w M F W F M
mark. Use only brake fluid from
a sealed container.
9. Battery When your vehicle does not start
due to a battery that has run down,
the vehicle may be jump-started by
connecting your battery to another
battery with jumper cables. Jump-starting is dangerous if
done incorrectly. Please refer
to your Owner’s Manual for
instructions. If you’re unsure about
how to jump-start your vehicle,
please consult a competent
mechanic.
10. Windshield Washer Tank It’s a good idea to check your washer fluid every time you stop
for fuel. If the level is low, fill the
windshield washer tank to the
neck of the reservoir with
windshield washer fluid. In cold
weather, use a freeze resistant
windshield washer fluid.
11. Main Fuse Box Your Impreza WRX STI has two fuse boxes. One is located under
the instrument panel, behind
the fuse box cover on the driver’s
seat side. The other is housed
in your engine compartment, as
shown here. Fuses are designed
to melt during an overload
situation in order to prevent
damage to the wiring harness and
electrical equipment. If any lights,
accessories or electrical controls
fail to operate properly, inspect
the corresponding fuse. If it has
blown, replace it in accordance
with the instructions in your
Owner’s Manual. The fuse puller
and spare fuses are located in
the main fuse box in the
engine compartment.
11
9
3
8
5
7
10
2
4
6
29
GetGttintigStartedInsItrument PanelGauGgesPerPsonalilizeConCtrotlslWhile OperatingSafSfetyt / /In ICasCeof EmergencyAddAdditiiional lInformation
While
Operating
Page 21 of 463
Explain Operation of Manual Transmission
& Incline Start Assist (if equipped)
Explain Operation of Automatic
Transmission & Review Manual
Mode (if equipped)
Show All Weather Package – Heated Front
Seats, Windshield Wiper De-Icer & Heated
Side Mirrors (if equipped) Show Seatbelt & Head Restraint Functions
Show Tilt Steering Column & Telescopic
Feature (if equipped)
Explain the Subaru Advanced Frontal
Airbag System (SRS), Front Seat Side
Pelvis/Torso Airbags (SRS) & Side-Curtain
Airbags (SRS)
Review Master & Valet Keys
Show Keyless Entry, Alarm System
& Remote Start (if equipped)
Show Hood & Gas Door Releases Show Yellow Caps & Explain Checking
& Filling of Vehicle Fluids
Show Fuel Filler Door & Gas
Cap Operation
Show Location of Both Fuse Boxes
Show Trunk Release & Valet Feature
(4-Door only)
Show Spare Tire, Tools & Jack Location
Explain Temporary Spare Tire
Usage & Limitations Explain AWD Towing
Requirements & Limitations
Show LATCH System & Tethers
Show Child Safety Lock Operation
Operation & Controls
Please use & reference the SUBARU OWNER’S MANUAL
& QUICK REFERENCE GUIDE
OPERATION & CONTROLS
REAR & SIDE
INTERIOR
DRIVER CONTROLS & OPERA
TION
Show Power Windows, Door Locks
& Side-View Mirror Operation
Explain Cruise Control & Power
Moonroof Operation (if equipped)
Show Headlights, Daytime Running
Lights, Parking Lights, Hazard Lights &
Fog Lights (if equipped)
Show Interior Lighting, Map Light
& Clock
Show Front & Rear Wiper
& Washer Controls
Show Climate Control System Including
Front & Rear Defrosters
Show & Explain Operation of VDC
Control Switch Review Instrument Panel Gauges
& Warning Lights
Explain Tire Pressure Monitoring
System Light
Show Audio System, Station Presets,
Tone, Balance & Fade Controls
Activate Satellite Radio System
(if equipped)
Show GPS Navigation System
(if equipped)
Explain Operation of Other Vehicle
Options, Equipment, or Genuine
Subaru Accessories Not Referenced
Above Where Applicable
Page 314 of 463
Black plate (274,1)
北米Model "A1130BE-A" EDITED: 2011/ 6/ 7
7-24
Starting and operating
Limited slip differential (LSD)
(STI)The LSD provides optimum distribution of
power according to the difference in
revolutions between the right and left
wheels that may be caused by certain
driving conditions, thereby improving driv-
ing stability on snow-covered, muddy or
other slippery roads or when high speed
driving.
CAUTION
. Never start the engine while a tire
on one side is jacked up, as the
vehicle may move.
. If one tire is spinning in mud,
avoid continued spinning at high
speed as this could adversely
affect the LSD.
. If you use a temporary spare tire
to replace a flat tire, be sure to
use the original temporary spare
tire stored in the vehicle. Using
other sizes will adversely affect
the LSD.
Power steeringThe power steering system operates only
when the engine is running.
If you lose power steering assist because
the engine stops or the system fails to
function, you can steer but it will take
much more effort.
CAUTION
Do not hold the steering wheel at the
fully locked position left or right for
more than 5 seconds. This may
damage the power steering pump.NOTERight after the engine has been started
and before it has warmed up, you may
hear a noise coming from areas adja-
cent to the power steering pump which
is located at the right-front area of the
engine compartment. This noise is
normal. It does not indicate power
steering system trouble.
Braking& Braking tips
WARNING
Never rest your foot on the brake
pedal while driving. This can cause
dangerous overheating of the
brakes and needless wear on the
brake pads and linings.
! When the brakes get wet
When driving in rain or after washing the
vehicle, the brakes may get wet. As a
result, brake stopping distance will be
longer. To dry the brakes, drive the vehicle
at a safe speed while lightly depressing
the brake pedal to heat up the brakes.
! Use of engine braking
Remember to make use of engine braking
in addition to foot braking. When descend-
ing a grade, if only the foot brake is used,
the brakes may start working improperly
because of brake fluid overheating,
caused by overheated brake pads. To
help prevent this, shift into a lower gear to
get stronger engine braking.
! Braking when a tire is punctured
Do not depress the brake pedal suddenly
when a tire is punctured. This could cause
Page 364 of 463
Black plate (326,1)
北米Model "A1130BE-A" EDITED: 2011/ 6/ 7
10-2
Appearance care
Exterior care& Washing
CAUTION
. When washing the vehicle, the
brakes may get wet. As a result,
the brake stopping distance will
be longer. To dry the brakes,
drive the vehicle at a safe speed
while lightly depressing the
brake pedal to heat up the
brakes.
. Do not wash the engine compart-
ment and area adjacent to it. If
water enters the engine air in-
take, electrical parts or the power
steering fluid reservoir, it will
cause engine trouble or a mal-
function of power steering.
. Do not use any organic solvents
when washing the surface of the
bulb assembly cover. However, if
a detergent with organic solvents
is used to wash the cover sur-
face, completely rinse off the
detergent with water. Otherwise,
the cover surface may be da-
maged.
. For 5-door models, since your
vehicle is equipped with a rear wiper, automatic car-wash
brushes could become tangled
around it, damaging the wiper
arm and other components. Ask
the automatic car-wash operator
not to let the brushes touch the
wiper arm or to fix the wiper arm
on the rear window glass with
adhesive tape before operating
the machine.
NOTEWhen having your vehicle washed in
an automatic car wash, make sure
beforehand that the car wash is of
suitable type.
The best way to preserve your vehicle’
s
beauty is frequent washing. Wash the
vehicle at least once a month to avoid
contamination by road grime.
Wash dirt off with a wet sponge and plenty
of lukewarm or cold water. Do not wash
the vehicle with hot water and in direct
sunlight.
Salt, chemicals, insects, tar, soot, tree
sap, and bird droppings should be washed
off by using a light detergent, as required.
If you use a light detergent, make certain
that it is a neutral detergent. Do not use
strong soap or chemical detergents. All cleaning agents should be promptly
flushed from the surface and not allowed
to dry there. Rinse the vehicle thoroughly
with plenty of lukewarm water. Wipe the
remaining water off with a chamois or soft
cloth.
!
Washing the underbody
Chemicals, salts and gravel used for
deicing road surfaces are extremely cor-
rosive, accelerating the corrosion of un-
derbody components, such as the exhaust
system, fuel and brake lines, brake
cables, floor pan and fenders, and sus-
pension.
Thoroughly flush the underbody and in-
side of the fenders with lukewarm or cold
water at frequent intervals to reduce the
harmful effects of such agents.
Mud and sand adhering to the underbody
components may accelerate their corro-
sion.
After driving off-road or on muddy or
sandy roads, wash the mud and sand off
the underbody. Carefully flush the suspen-
sion and axle parts, as they are particu-
larly prone to mud and sand buildup. Do
not use a sharp-edged tool to remove
caked mud.
Page 369 of 463
Black plate (21,1)
北米Model "A1130BE-A" EDITED: 2011/ 6/ 2
Maintenance schedule ....................................... 11-3
Maintenance precautions ................................... 11-3
Before checking or servicing in the engine
compartment .................................................... 11-4
When checking or servicing in the engine compartment .................................................... 11-4
When checking or servicing in the engine compartment while the engine is running .......... 11-5
Engine hood....................................................... 11-5
Engine compartment overview .......................... 11-6
Turbo models except STI.................................... 11-6
STI..................................................................... 11-7
Engine oil ............................................................ 11-8
Checking the oil level ......................................... 11-8
Changing the oil and oil filter .............................. 11-9
Recommended grade and viscosity .................. 11-10
Synthetic oil ..................................................... 11-10
Cooling system ................................................ 11-11
Cooling fan, hose and connections ................... 11-11
Engine coolant ................................................. 11-12
Air cleaner element .......................................... 11-13
Replacing the air cleaner element ..................... 11-13
Spark plugs...................................................... 11-14
Recommended spark plugs .............................. 11-14
Drive belts........................................................ 11-15
Manual transmission oil .................................. 11-15
Checking the oil level....................................... 11-15
Recommended grade and viscosity .................. 11-16
Rear differential gear oil.................................. 11-16
Recommended grade and viscosity .................. 11-16
Power steering fluid........................................ 11-17
Checking the fluid level .................................... 11-17
Recommended fluid ......................................... 11-17
Brake fluid........................................................ 11-18
Checking the fluid level .................................... 11-18
Recommended brake fluid ............................... 11-18
Clutch fluid....................................................... 11-19
Checking the fluid level .................................... 11-19
Recommended clutch fluid ............................... 11-19
Brake booster.................................................. 11-20
Brake pedal ...................................................... 11-20
Checking the brake pedal free play .................. 11-20
Checking the brake pedal reserve distance....... 11-21
Clutch pedal ..................................................... 11-21
Checking the clutch function ............................ 11-21
Checking the clutch pedal free play .................. 11-21
Hill start assist system.................................... 11-22
Replacement of brake pad and lining ............ 11-22
Breaking-in of new brake pads and linings ....... 11-22
Parking brake stroke....................................... 11-23
Tires and wheels .............................................. 11-23
Types of tires................................................... 11-23
Tire pressure monitoring system (TPMS) (if equipped) ...................................................... 11-24
Tire inspection ................................................. 11-25
Tire pressures and wear .................................. 11-25
Wheel balance ................................................. 11-27
Wear indicators ............................................... 11-28
Tire rotation direction mark .............................. 11-28
Tire rotation ..................................................... 11-29
Maintenance and service
11
Page 374 of 463
Black plate (336,1)
北米Model "A1130BE-A" EDITED: 2011/ 6/ 7
11-6
Maintenance and service
Engine compartment overview& Turbo models except STI
1) Power steering fluid reservoir
(page 11-17)
2) Manual transmission oil level gauge (MT) (page 11-15)
3) Clutch fluid reservoir (page 11-19)
4) Brake fluid reservoir (page 11-18)
5) Fuse box (page 11-37)
6) Battery (page 11-36)
7) Windshield washer tank (page 11-31)
8) Engine oil filler cap (page 11-8)
9) Engine coolant reservoir (page 11-12)
10) Engine oil level gauge (page 11-8)
11) Radiator cap (page 11-12)
12) Air cleaner case (page 11-13)
Page 375 of 463
Black plate (337,1)
北米Model "A1130BE-A" EDITED: 2011/ 6/ 7
& STI
1) Power steering fluid reservoir
(page 11-17)
2) Clutch fluid reservoir (page 11-19)
3) Brake fluid reservoir (page 11-18)
4) Fuse box (page 11-37)
5) Battery (page 11-36)
6) Windshield washer tank (page 11-31)
7) Engine oil filler cap (page 11-8)
8) Engine coolant reservoir (page 11-12)
9) Engine oil level gauge (page 11-8)
10) Radiator cap (page 11-12)
11) Air cleaner case (page 11-13) Maintenance and service
11-7
11