tire type SUBARU LEGACY 2007 User Guide

Black plate (382,1)
北米Model "A2420BE-B" EDITED: 2006/ 7/ 26
11-34
Maintenance and service
Tires and wheels& Types of tiresYou should be familiar with type of tires
present on your vehicle.
! All season tires
The factory-installed tires on your new
vehicle are all season tires.
All season tires are designed to provide
an adequate measure of traction, handling
and braking performance in year-round
driving including snowy and icy road
conditions. However all season tires do
not offer as much traction performance as
winter (snow) tires in heavy or loose snow
or on icy roads.
All season tires are identified by “ALL
SEASON ”and/or “M+S”(Mud & Snow) on
the tire sidewall.
! Summer tires
Summer tires are high-speed capability
tires best suited for highway driving under
dry conditions.
Summer tires are inadequate for driving
on slippery roads such as on snow-
covered or icy roads.
If you drive your vehicle on snow-covered
or icy roads, we strongly recommend the
use of winter (snow) tires. When installing winter tires, be sure to
replace all four tires.
!
Winter (snow) tires
Winter tires are best suited for driving on
snow-covered and icy roads. However
winter tires do not perform as well as
summer tires and all season tires on roads
other than snow-covered and icy roads.
& Tire pressure monitoring
system (TPMS) (if equipped)The tire pressure monitoring system pro-
vides the driver with a warning message
by sending a signal from a sensor that is
installed in each wheel when tire pressure
is severely low. The tire pressure monitor-
ing system will activate only when the
vehicle is driven. Also, this system may
not react immediately to a sudden drop in
tire pressure (for example, a blow-out
caused by running over a sharp object).
If you adjust the tire pressures in a warm
garage and will then drive the vehicle in
cold outside air, the resulting drop in tire
pressures may cause the low tire pressure
warning light to come on. To avoid this
problem when adjusting the tire pressures
in a warm garage, inflate the tires to
pressures higher than those shown on the
tire placard. Specifically, inflate them by an
extra 1 psi (6.9 kPa, 0.07 kgf/cm
2) for every difference of 10
8F (5.6 8C) between
the temperature in the garage and the
temperature outside. By way of example,
the following table shows the required tire
pressures that correspond to various out-
side temperatures when the temperature
in the garage is 60 8F (15.6 8C).
Example:
Tire size: P225/55R17 95V
Standard tire pressures:
Front: 32 psi (220 kPa, 2.2 kgf/cm
2)
Rear: 30 psi (210 kPa, 2.1 kgf/cm2)
Garage temperature: 60 8F (15.6 8C)
Outside
temperature Adjusted pressure
[psi (kPa, kgf/cm
2)]
front rear
30 8F( 18C) 35 (240, 2.4) 33 (230, 2.3)
10 8F( 12 8C) 37
(255, 2.55) 35
(245, 2.45)
10 8F
( 23 8C) 39 (270, 2.7) 37 (260, 2.6)
Example:
Tire size: 215/45ZR17
Standard tire pressures:
Front: 35 psi (240 kPa, 2.4 kgf/cm
2)
Rear: 33 psi (230 kPa, 2.3 kgf/cm2)
Garage temperature: 60 8F (15.6 8C)
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Black plate (384,1)
北米Model "A2420BE-B" EDITED: 2006/ 7/ 26
11-36
Maintenance and service
a flat tire, replace it with a spare tire
as soon as possible.
When a spare tire is mounted or a
wheel rim is replaced without the
original pressure sensor/transmitter
being transferred, the low tire pres-
sure warning light will flash. This
indicates the TPMS is unable to
monitor all four road wheels. Con-
tact your SUBARU dealer as soon as
possible for tire and sensor replace-
ment and/or system resetting. If the
light flashes, promptly contact a
SUBARU dealer to have the system
inspected.& Tire inspectionCheck on a daily basis that the tires are
free from serious damage, nails, and
stones. At the same time, check the tires
for abnormal wear.
Contact your SUBARU dealer immedi-
ately if you find any problem.NOTE. When the wheels and tires strike
curbs or are subjected to harsh treat-
ment as when the vehicle is driven on a
rough surface, they can suffer damage
that cannot be seen with the naked eye.
This type of damage does not become evident until time has passed. Try not
to drive over curbs, potholes or on
other rough surfaces. If doing so is
unavoidable, keep the vehicle
’s speed
down to a walking pace or less, and
approach the curbs as squarely as
possible. Also, make sure the tires are
not pressed against the curb when you
park the vehicle.
. If you feel unusual vibration while
driving or find it difficult to steer the
vehicle in a straight line, one of the
tires and/or wheels may be damaged.
Drive slowly to the nearest authorized
SUBARU dealer and have the vehicle
inspected.
& Tire pressures and wearMaintaining the correct tire pressures
helps to maximize the tires ’service lives
and is essential for good running perfor-
mance. Check and, if necessary, adjust
the pressure of each tire (including the
spare) at least once a month (for example,
during a fuel stop) 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 values shown on
the tire placard. The tire placard is located
on the door pillar on the driver ’s side.
Driving even a short distance warms up
the tires and increases the tire pressures.
Also, the tire pressures are affected by the
outside temperature. It is best to check tire
pressure 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.
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Black plate (388,1)
北米Model "A2420BE-B" EDITED: 2006/ 7/ 26
11-40
Maintenance and service
& Tire replacementThe wheels and tires are important and
integral parts of your vehicle’ s design;
they cannot be changed arbitrarily. The
tires fitted as standard equipment are
optimally matched to the characteristics
of the vehicle and were selected to give
the best possible combination of running
performance, ride comfort, and service
life. It is essential for every tire to have a
size and construction matching those
shown on the tire placard and to have a
speed symbol and load index matching
those shown on the tire placard.
Using tires of a non-specified size detracts
from controllability, ride comfort, braking
performance, speedometer accuracy and
odometer accuracy. It also creates incor-
rect body-to-tire clearances and inappro-
priately changes the vehicle ’sground
clearance.
All four tires must be the same in terms of
manufacturer, brand (tread pattern), con-
struction, and size. You are advised to
replace the tires with new ones that are
identical to those fitted as standard equip-
ment.
For safe vehicle operation, SUBARU
recommends replacing all four tires at
the same time.
WARNING
. All four tires must be the same in
terms of manufacturer, brand
(tread pattern), construction, de-
gree of wear, speed symbol, load
index and size. Mixing tires of
different types, sizes or degrees
of wear can result in damage to
the vehicle ’s power train. Use of
different types or sizes of tires
can also dangerously reduce
controllability and braking per-
formance and can lead to an
accident.
. Use only radial tires. Do not use
radial tires together with belted
bias tires and/or bias-ply tires.
Doing so can dangerously re-
duce controllability, resulting in
an accident.& Wheel replacementWhen replacing wheels due, for example,
to damage, make sure the replacement
wheels match the specifications of the
wheels that are fitted as standard equip-
ment. Replacement wheels are available
from SUBARU dealers.
WARNING
Use only those wheels that are
specified for your vehicle. Wheels
not meeting specifications could
interfere with brake caliper opera-
tion and may cause the tires to rub
against the wheel well housing dur-
ing turns. The resulting loss of
vehicle control could lead to an
accident.
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Black plate (422,1)
北米Model "A2420BE-B" EDITED: 2006/ 7/ 26
13-2
Consumer information and Reporting safety defects
For U.S.A.The following information has been
compiled according to Code of Fed-
eral Regulations “Title 49, Part 575 ”.
Tire information& Tire labelingMany markings (e.g. Tire size, Tire
Identification Number or TIN) are
placed on the sidewall of a tire by tire
manufacturers. These marking can
provide you with useful information
on the tire.
! Tire size
Your vehicle comes equipped with P-
Metric tire size. It is important to
understand the sizing system in se-
lecting the proper tire for your vehi-
cles. Here is a brief review of the tire
sizing system with a breakdown of its
individual elements.
! P Metric
With the P-Metric system, Section
Width is measured in millimeters. To
convert millimeters into inches, divide
by 25.4. The Aspect Ratio (Section
Height divided by Section Width)
helps provide more dimensional in-
formation about the tire size. Example:
(1) P = Certain tire type used on
light duty vehicles such as passenger
cars
(2) Section Width in millimeters
(3) Aspect Ratio (= section height
7
section width).
(4) R = Radial Construction
(5) Rim diameter in inches
(6) ZR = Speed category above 149
mph (240 km/h)
! Load and Speed Rating Descrip-
tions
The load and speed rating descrip-
tions will appear following the size
designation.
They provide two important facts
about the tire. First, the number
designation is its load index. Second,
the letter designation indicates the
tire ’s speed rating.
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Black plate (423,1)
北米Model "A2420BE-B" EDITED: 2006/ 7/ 26
Example:(6) Load Index: A numerical code
which specifies the maximum load a
tire can carry at the speed indicated
by its speed symbol, at maximum
inflation pressure.
For example, “88 ”means 1,234 lbs
(560 kg), “87” means 1,201 lbs (545
kg), “86 ”means 1,168 lbs (530 kg)
WARNING
Load indices apply only to the
tire, not to the vehicle. Putting a
load rated tire on any vehicle
does not mean the vehicle can
be loaded up to the tire ’s rated
load.
(7) Speed Rating: An alphabetical
system describing a tire ’s capability to
travel at established and predeter-
mined speeds.
For example, “V” means 149 mph
(240 km/h)
WARNING
.
Speed ratings apply only to the tire, not to the vehicle.
Putting a speed rated tire on
any vehicle does not mean
the vehicle can be operated at
the tire ’s rated speed.
.
The speed rating is void if the
tires are worn out, damaged,
repaired, retreaded, or other-
wise altered from their origi-
nal condition. If tires are
repaired, retreaded, or other-
wise altered, they may not be
suitable for original equip-
ment tire designed loads and
speeds.
! Tire Identification Number (TIN)
Tire Identification Number (TIN) is
marked on the intended outboard
sidewall. The TIN is composed of four
groups. Here is a brief review of the
TIN with a breakdown of its individual
elements.
(1) Manufacturer ’s Identification
Mark
(2) Tire Size
(3) Tire Type Code
(4) Date of Manufacture
The first two figures identify the week,
starting with “01” to represent the first
full week of the calendar year; the
second two figures represent the
year. For example, 0101 means the
1st week of 2001.
! Other markings
The following makings are also
placed on the sidewall.
! Maximum permissible inflation
pressure
The maximum cold inflation pressure
to which this tire may be inflated. For
example, “300 kpa (44 PSI) MAX.
PRESS”
! Maximum load rating
Theloadratingatthemaximum
permissible weight load for this tire.
For example, “MAX. LOAD 730 kg
(1609 LBS) @ 300 kpa (44 PSI) MAX.
PRESS. ”
Consumer information and Reporting safety defects
13-3
–CONTINUED –
13
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Black plate (424,1)
北米Model "A2420BE-B" EDITED: 2006/ 7/ 26
13-4
Consumer information and Reporting safety defects
WARNING
Maximum load rating applies
only to the tire, not to the
vehicle. Putting a load rated tire
on any vehicle does not mean
the vehicle can be loaded up to
the tire ’s rated load.
! Construction type
Applicable construction of this tire.
For example, “TUBELESS STEEL
BELTED RADIAL”
! Construction
The generic name of each cord
material used in the plies (both side-
wall and tread area) of this tire.
For example, “PLIES: TREAD 2
STEEL + 2 POLYESTER + 1 NYLON
SIDEWALL 2 POLYESTER ”
! Uniform Tire Quality Grading
(UTQG)
For details, refer to “Uniform tire
quality grading standards ”in this
chapter.
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Black plate (432,1)
北米Model "A2420BE-B" EDITED: 2006/ 7/ 26
13-12
Consumer information and Reporting safety defects
Uniform tire quality grading
standardsThis information indicates the relative
performance of passenger car tires in
the area of treadwear, traction, and
temperature resistance. This is to aid
the consumer in making an informed
choice in the purchase of tires.
Quality grades can be found where
applicable on the tire sidewall be-
tween tread shoulder and maximum
section width. For example:
Treadwear 200 Traction AA Tem-
perature A
The quality grades apply to new
pneumatic tires for use on passenger
cars. However, they do not apply to
deep tread, winter type snow tires,
space-saver or temporary use spare
tires, tires with nominal rim diameters
of 12 inches or less, or to some limited
production tires.
All passenger car tires must conform
to Federal Safety Requirements in
addition to these grades.
& TreadwearThe treadwear grade is a comparative
rating based on the wear rate of the
tire when tested under controlled
conditions on a specified government
test course.
For example, a tire graded 150 would
wear one and one-half (1-1/2) times
as well on the government course as
a tire graded 100. The relative perfor-
mance of tires depends upon the
actual conditions of their use, how-
ever, and may depart significantly
from the norm due to variations in
driving habits, service practices and
differences in road characteristics and
climate.&Traction AA, A, B, CThe traction grades, from highest to
lowest, are AA, A, B and C. Those
grades represent the tire ’s ability to
stop on wet pavement as measured
under controlled conditions on speci-
fied government test surfaces of
asphalt and concrete. A tire marked
C may have poor traction perfor-
mance.
WARNING
The traction grade assigned to
this tire is based on straight-
ahead braking traction tests,
and does not include accelera-
tion, cornering, hydroplaning, or
peak traction characteristics.
& Temperature A, B, CThe temperature grades are A (the
highest), B, and C, representing the
tire ’s resistance to the generation of
heat and its ability to dissipate heat
when tested under controlled condi-
tions on a specified indoor laboratory
test wheel. Sustained high tempera-
ture can cause the material of the tire
to degenerate and reduce tire life, and
excessive temperature can lead to
sudden tire failure. The grade C
corresponds to a level of performance
which all passenger car tires must
meet under the Federal Motor Vehicle
Safety Standards No. 109. Grades B
and A represent higher levels of
performance on the laboratory test
wheel than the minimum required by
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Black plate (8,1)
北米Model "A2420BE-B" EDITED: 2006/ 7/ 31
14-8
Index
Seatbelts .................................................................. 1-13
Security ID plate .......................................................... 2-3
Selector lever .................................................... 7-19, 7-25
Position indicator ........................................... 3-32, 3-33
Shift lock release ............................................... 7-23, 7-30
Shift-up indicator light ................................................. 3-32
Shock sensors ........................................................... 2-19
Shopping bag hook .................................................... 6-11
SI-DRIVE mode ......................................................... 7-31
Snow tires ................................................................. 8-10
Snowy and icy roads .................................................... 8-9
Sounding a panic alarm .............................................. 2-10
Spark plugs .............................................................. 11-20
Specifications ............................................................ 12-2
Speedometer ....................................................... 3-6, 3-18
SRS
Curtain airbag ........................................................ 1-55
Frontal airbag ........................................................ 1-45
Side airbag ........................................................... 1-55
SRS airbag (Supplemental Restraint System airbag) ... 4, 1-40
SRS airbag system Monitors. ............................................................... 1-61
Servicing ............................................................... 1-63
SRS airbag system warning light ................................. 3-24
Starting the engine ....................................................... 7-9
State emission testing (U.S. only) .................................. 7-7
Steering wheel Power ................................................................... 7-33
Tilt ....................................................................... 3-51
Stopping the engine ................................................... 7-11
Storage compartment ................................................... 6-4 Stowage boxes
.......................................................... 6-15
Sun shade ......................................................... 2-28, 2-29
Sun visors .................................................................. 6-3
Supplemental Restraint System airbag (SRS) ................ 1-40
Synthetic leather upholstery ......................................... 10-5
T
Tachometer ......................................................... 3-6, 3-20
Temperature gauge ...................................... 3-7, 3-11, 3-21
Temperature warning light (AT OIL TEMP) ..................... 3-26
Temporary spare tire .................................................... 9-2
Tie-down hooks .......................................................... 9-13
Tilt steering wheel. ...................................................... 3-51
Tire Chains .................................................................. 8-12
Inspection ............................................................ 11-36
Pressures and wear .............................................. 11-36
Replacement. ....................................................... 11-40
Rotation .............................................................. 11-39
Tire pressure monitoring system (TPMS) ....................... 7-43
Tires ........................................................................\
. 12-5
Types .................................................................. 11-34
Tires and wheels ...................................................... 11-34
Top tether anchorages ................................................ 1-37
Towing ...................................................................... 9-13
All wheels on the ground ......................................... 9-16
Flat-bed truck ......................................................... 9-16
Tie-down hooks ...................................................... 9-13
Weight .................................................................. 8-22
Trailer
Hitch ..................................................................... 8-19
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