2011 SUBARU IMPREZA WRX STI oil temperature

Black plate (324,1)
北米Model "A1110BE-C" EDITED: 2010/ 12/ 17
8-8
Driving tips
Winter driving& Operation during cold
weatherCarry some emergency equipment, such
as a window scraper, a bag of sand,
flares, a small shovel and jumper cables.
Check the battery and cables. Cold
temperatures reduce battery capacity.
The battery must be in good condition to
provide enough power for cold winter
starts.
It normally takes longer to start the engine
in very cold weather conditions. Use an
engine oil of a proper grade and viscosity
for cold weather. Using heavy summer oil
will make it harder to start the engine.
Keep the door locks from freezing by squirting them with deicer or glycerin.
Forcing a frozen door open may damage
or separate the rubber weather strips
around the door. If the door is frozen,
use hot water to melt the ice, and after-
wards thoroughly wipe the water away.
Use a windshield washer fluid that con-
tains an antifreeze solution. Do not use
engine antifreeze or other substitutes
because they may damage the paint of
the vehicle.
SUBARU Windshield Washer Fluid con-
tains 58.5% methyl alcohol and 41.5%
surfactant, by volume. Its freezing tem-
perature varies according to how much it
is diluted, as indicated in the following
table.
Washer Fluid Con-
centration Freezing Temperature
30% 10.4 8F( 12 8C)
50% 48F( 20 8C)
100% 49
8F( 45 8C)In order to prevent freezing of washer
fluid, check the freezing temperatures in
the table above when adjusting the fluid
concentration to the outside temperature.
If you fill the reservoir tank with a fluid with
a different concentration from the one used previously, purge the old fluid from
the piping between the reservoir tank and
washer nozzles by operating the washer
for a certain period of time. Otherwise, if
the concentration of the fluid remaining in
the piping is too low for the outside
temperature, it may freeze and block the
nozzles.
CAUTION
.
Adjust the washer fluid concen-
tration appropriately for the out-
side temperature. If the concen-
tration is inappropriate, sprayed
washer fluid may freeze on the
windshield and obstruct your
view, and the fluid may freeze in
the reservoir tank.
. State or local regulations on
volatile organic compounds may
restrict the use of methanol, a
common windshield washer anti-
freeze additive. Washer fluids
containing non-methanol anti-
freeze agents should be used
only if they provide cold weather
protection without damaging
your vehicle ’s paint, wiper blades
or washer system.

Black plate (345,1)
北米Model "A1110BE-C" EDITED: 2010/ 12/ 17
Engine overheating
WARNING
Never attempt to remove the radia-
tor cap until the engine has been
shut off and has fully cooled down.
When the engine is hot, the coolant
is under pressure. Removing the
cap while the engine is still hot
could release a spray of boiling hot
coolant, which could burn you very
seriously.
If the engine overheats, safely pull off the
road and stop the vehicle in a safe place.& If steam is coming from the
engine compartmentTurn off the engine and get everyone
away from the vehicle until it cools down.&If no steam is coming from
the engine compartment
NOTEFor details about how to check the
coolant level or how to add coolant,
refer to “Engine coolant ”F 11-14.
1. Keep the engine running at idling
speed. 2. Open the hood to ventilate the engine
compartment. Refer to
“Engine hood ”
F 11-5.
Confirm that the cooling fan is turning. If
the fan is not turning, immediately turn off
the engine and contact your authorized
dealer for repair.
3. After the engine coolant temperature
has dropped, turn off the engine.
If any of the following conditions occur,
turn off the engine. .The temperature gauge stays in the
overheated zone (turbo models). Refer
to “Temperature gauge (turbo models) ”
F 3-11.
. The coolant temperature high warn-
ing light remains illuminated (non-
turbo models). Refer to “Coolant tem-
perature low indicator light (non-turbo
models)/Coolant temperature high
warning light (non-turbo models) ”F 3-
17.
4. After the engine has fully cooled down,
check the coolant level in the reserve
tank.
If the coolant level is below the “LOW”
mark, add coolant up to the “FULL”mark.
5. If there is no coolant in the reserve
tank, add coolant to the reserve tank.
Then remove the radiator cap and fill the
radiator with coolant. If you remove the radiator cap from a hot
radiator, first wrap a thick cloth around the
radiator cap, then turn the cap counter-
clockwise slowly without pressing down
until it stops. Release the pressure from
the radiator. After the pressure has been
fully released, remove the cap by pressing
down and turning it.
In case of emergency
9-13
9

Black plate (372,1)
北米Model "A1110BE-C" EDITED: 2010/ 12/ 17
11-12
Maintenance and service
Turbo modelsNon-turbo models7. 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.
Oil filter color Part number
Amount of
rotation
Black 15208AA100 1 rotation
Blue 15208AA12A 7/8
rotation
CAUTION
. Never over tighten the oil filter
because that can result in an oil
leak.
. Thoroughly wipe off any engine
oil that has spilled over the
exhaust pipe and/or under-cover.
If spilled oil is not promptly
wiped up, the oil could cause a
fire.
11. Reinstall under cover.
12. Pour engine oil through the filler neck.
For the oil capacity (guideline), refer to
“Engine oil ”F 12-5. 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 use the level gauge to confirm that
the level is correct.
13. Start the engine and make sure that no
oil leaks appear around the filter
’s rubber
seal and drain plug.
14. Run the engine until it reaches the
normal operating 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.
CAUTION
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.

Black plate (374,1)
北米Model "A1110BE-C" EDITED: 2010/ 12/ 17
11-14
Maintenance and service
shortened to that of the mixing
coolant.
. Do not splash the engine coolant
over painted parts. The alcohol
contained in the engine coolant
may damage the paint surface.
& Cooling fan, hose and con-
nectionsYour vehicle employs an electric cooling
fan which is thermostatically controlled to
operate when the engine coolant reaches
a specific temperature.
If the radiator cooling fan does not operate
even when the following conditions occur,
the cooling fan circuit may be defective.
. For turbo models, the engine coolant
temperature gauge exceeds the normal
operating range. Refer to “Temperature
gauge (turbo models) ”F 3-11.
. For non-turbo models, the coolant
temperature high warning light blinks or
illuminates in RED. Refer to “Coolant
temperature low indicator light (non-turbo
models)/Coolant temperature high warn-
ing light (non-turbo models) ”F 3-17.
Check the fuse and replace it if necessary.
Refer to “Fuses”F 11-45 and “Fuse panel
located in the engine compartment” F12-
14. If the fuse is not blown, have the cooling
system checked by your SUBARU dealer.
If frequent addition of coolant is neces-
sary, there may be a leak in the engine
cooling system. It is recommended that
the cooling system and connections be
checked for leaks, damage, or looseness.
&
Engine coolant! Checking the coolant level
WARNING
Never attempt to remove the radia-
tor 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 boil-
ing hot coolant when the cap is
removed.
1) “FULL ”level mark
2) “LOW ”level markCheck the coolant level at each fuel stop.
1. Check the coolant level on the outside
of the reservoir while the engine is cool.
2. If the level is close to or lower than the
“LOW ”level mark, add coolant up to the
“FULL ”level mark. If the reserve tank is
empty, remove the radiator cap and refill
as required.

Black plate (384,1)
北米Model "A1110BE-C" EDITED: 2010/ 12/ 17
11-24
Maintenance and service
& Recommended grade and
viscosityEach oil manufacturer has its own base
oils and additives. Never use different
brands together. For details, refer to
“Manual transmission, front differential
and rear differential gear oil ”F 12-8.
Rear differential gear oilThere is no rear differential gear oil level
gauge. To check the rear differential gear
oil level, we recommend that you consult
your SUBARU dealer for inspection.& Recommended grade and
viscosityEach oil manufacturer has its own base
oils and additives. Never use different
brands together. For details, refer to
“Manual transmission, front differential
and rear differential gear oil ”F 12-8.
Power steering fluid& Checking the fluid levelThe power steering fluid expands greatly
as its temperature rises; the fluid level
differs according to fluid temperature.
Therefore, the reservoir tank has two
different checking ranges for hot and cold
fluids.
Check the power steering fluid level
monthly.
1. Park the vehicle on a level surface,
and stop the engine.

Black plate (422,1)
北米Model "A1110BE-C" EDITED: 2010/ 12/ 17
12-6
Specifications
! Alternative engine oil
If the SUBARU approved oil is unavailable, the following alternative oil can be used.NOTEEach quantity indicated here is only a guideline. The necessary quantity for replacement may differ slightly depending on the
temperature and other factors.
! Non-turbo models
Oil grade SAE viscosity No. and
applicable temperature Engine oil capacity
API classification SM or SN with
the words
“
ENERGY CONSERVING ”or
“ RESOURCE CONSERVING ”or
ILSAC GF-4 or GF-5, which can
be identified with the ILSAC
certification mark (Starburst
mark) 5W-30 synthetic
oil is the recom-
mended oil for optimum engine perfor-
mance and protection. Conventional oil
may be used if synthetic oil is unavail-
able.
*: If 5W-30 synthetic oil is not available,
5W-30 or 5W-40 conventional oil may
be used if replenishment is needed but
should be changed to 5W-30 synthetic
oil at the next oil change.
– Adding the oil from L to F level:
1.1 US qt (1.0 liter, 0.9 Imp qt)
– Changing the oil and oil filter:
4.4 US qt (4.2 liters, 3.7 Imp qt)

Black plate (423,1)
北米Model "A1110BE-C" EDITED: 2010/ 12/ 17
! Turbo models
Oil grade SAE viscosity No. and
applicable temperature Engine oil capacity
API classification SM or SN with
the words
“
ENERGY CONSERVING ”or
“ RESOURCE CONSERVING ”or
ILSAC GF-4 or GF-5, which can
be identified with the ILSAC
certification mark (Starburst
mark) 5W-30 synthetic
oil is required for
optimum engine performance and pro-
tection. Conventional oil may be used if
synthetic oil is unavailable.
*: If 5W-30 synthetic oil is not available,
5W-30 or 5W-40 conventional oil may
be used if replenishment is needed but
should be changed to 5W-30 synthetic
oil at the next oil change.
– Adding the oil from L to F level:
1.1 US qt (1.0 liter, 0.9 Imp qt)
– Changing the oil and oil filter:
4.4 US qt (4.2 liters, 3.7 Imp qt) Specifications
12-7
–
CONTINUED –
12

Black plate (424,1)
北米Model "A1110BE-C" EDITED: 2010/ 12/ 17
12-8
Specifications
& Manual transmission, front differential and rear differential gear oil
Oil grade SAE viscosity No. and applicable temperature Applied part and model Oil capacity
API classification GL-5
Manual transmission 5-speed 3.7 US qt (3.5 liters, 3.1 Imp qt)
6-speed 4.3 US qt (4.1 liters, 3.6 Imp qt)
Front differential (AT models) 1.3 US qt (1.2 liters, 1.1 Imp qt)
Rear differential STI 1.1 US qt (1.0 liter, 0.9 Imp qt)
Others
0.8 US qt (0.8 liter, 0.7 Imp qt)
For the checking procedures or other details, refer to “Manual transmission oil ”F 11-21, “Front differential gear oil (AT models) ”F 11-23, “Rear
differential gear oil ”F 11-24.