Get Maintenance and service -> Tires and wheels Guide for Subaru XV SUV Second Generation (2017-2022)

Maintenance and service/Tires and wheels 11-21

Tires and wheels

temperature outside. By way of example,

! Winter (snow) tires

the following table shows the required tire

S11AV0103

Winter tires are best suited for driving on

S11AV

& Types of tires

pressures that correspond to various out-

snow-covered and icy roads. However

side temperatures when the temperature

S11AV01

winter tires do not perform as well as

You should be familiar with type of tires

in the garage is 608F (15.68C).

summer tires and all season tires on roads

present on your vehicle.

Example:

other than snow-covered and icy roads.

! All season tires

Ti r e s i z e : P 2 2 5 / 6 0 R 1 7 9 8 H a n d

S11AV0101

All season tires are designed to provide an

& Tire pressure monitoring

P225/55R18 97H

adequate measure of traction, handling

system (TPMS) (if equipped)

Standard tire pressures:

and braking performance in year-round

Front: 33 psi (230 kPa, 2.3 kgf/cm 2 )

S11AV02

The tire pressure monitoring system pro-

driving including snowy and icy road

Rear: 32 psi (220 kPa, 2.2 kgf/cm 2 )

vides the driver with a warning message by

conditions. However all season tires do

sending a signal from a sensor that is

Garage temperature: 608F (15.68C)

not offer as much traction performance as

installed in each wheel when tire pressure

winter (snow) tires in heavy or loose snow

Outside

Adjusted pressure

is severely low. The tire pressure monitor-

or on icy roads.

temperature

[psi (kPa, kgf/cm 2 )]

ing system will activate only when the

All season tires are identified by <ALL

vehicle is driven. Also, this system may not

Front

Rear

SEASON= and/or <M+S= (Mud & Snow) on

react immediately to a sudden drop in tire

308F (218C)

36 (250, 2.5)

35 (240, 2.4)

the tire sidewall.

pressure (for example, a blow-out caused

! Summer tires

by running over a sharp object).

108F (2128C)

(265, 2.65)

(255, 2.55)

S11AV0102

Summer tires are high-speed capability

If you adjust the tire pressures in a warm

2108F (2238C) 40 (280, 2.8)

39 (270, 2.7)

tires best suited for highway driving under

garage and will then drive the vehicle in

dry conditions.

If the low tire pressure warning light

cold outside air, the resulting drop in tire

Summer tires are inadequate for driving on

illuminates when you drive the vehicle in

pressures may cause the low tire pressure

slippery roads such as on snow-covered or

cold outside air after adjusting the tire

warning light to illuminate. To avoid this

icy roads.

pressures in a warm garage, re-adjust the

problem when adjusting the tire pressures

If you drive your vehicle on snow-covered

tire pressures using the method described

in a warm garage, inflate the tires to

or icy roads, we strongly recommend the

above. Then, increase the vehicle speed

pressures higher than those shown on

use of winter (snow) tires.

to at least 20 mph (32 km/h) and check to

the tire placard. Specifically, inflate them

by an extra 1 psi (6.9 kPa, 0.07 kgf/cm 2 ) for

see that the low tire pressure warning light

When installing winter tires, be sure to

turns off a few minutes later. If the low tire

replace all four tires.

every difference of 108F (5.68C) between

pressure warning light does not turn off,

the temperature in the garage and the

3 CONTINUED 3

11-22 Maintenance and service/Tires and wheels

the tire pressure monitoring system may

When a tire is replaced, adjustments are

as soon as possible.

not be functioning normally. In this event,

necessary to ensure continued normal

When a spare tire is mounted or a

go to a SUBARU dealer to have the

operation of the tire pressure monitoring

wheel rim is replaced without the

system inspected as soon as possible.

system. As with wheel replacement, there-

original pressure sensor/transmitter

fore, you should have the work performed

being transferred, the low tire pres-

While the vehicle is driven, friction be-

by a SUBARU dealer.

sure warning light will illuminate

tween tires and the road surface causes

steadily after blinking for approxi-

the tires to warm up. After illumination of

WARNING

mately one minute. This indicates

the low tire pressure warning light, any

the TPMS is unable to monitor all

increase in the tire pressures caused by an

If the low tire pressure warning light

four road wheels. Contact your

increase in the outside air temperature or

does not illuminate briefly after the

SUBARU dealer as soon as possible

by an increase in the temperature in the

ignition switch is turned ON or the

for tire and sensor replacement and/

tires can cause the low tire pressure

light illuminates steadily after blink-

or system resetting. If the light

warning light to turn off.

ing for approximately one minute,

illuminates steadily after blinking

you should have your Tire Pressure

System resetting is necessary when the

for approximately one minute,

Monitoring System checked at a

wheels are changed (for example, a switch

promptly contact a SUBARU dealer

SUBARU dealer as soon as possi-

to snow tires) and new TPMS valves are

to have the system inspected.

ble.

installed on the newly fitted wheels. Have

If this light illuminates while driving,

this work performed by a SUBARU dealer

never brake suddenly and keep

following wheel replacement.

& Tire inspection

driving straight ahead while gradu-

S11AV03

It may not be possible to install TPMS

Check on a daily basis that the tires are

ally reducing speed. Then slowly

valves on certain wheels that are on the

free from serious damage, nails, and

pull off the road to a safe place.

market. Therefore, if you change the

stones. At the same time, check the tires

Otherwise an accident involving

wheels (for example, a switch to snow

for abnormal wear.

serious vehicle damage and serious

tires), use wheels that have the same part

Contact your SUBARU dealer immediately

personal injury could occur.

number as the standard-equipment

if you find any problem.

If this light still illuminates while

wheels. Without four operational TPMS

driving after adjusting the tire pres-

NOTE

valve/sensors on the wheels, the TPMS

sure, a tire may have significant

will not fully function and the warning light

. When the wheels and tires strike

damage and a fast leak that causes

on the combination meter will illuminate

curbs or are subjected to harsh treat-

the tire to lose air rapidly. If you have

steadily after blinking for approximately

ment as when the vehicle is driven on a

a flat tire, replace it with a spare tire

one minute.

rough surface, they can suffer damage

Maintenance and service/Tires and wheels 11-23

NOTE

that cannot be seen with the naked eye.

This type of damage does not become

. The air pressure in a tire increases

evident until time has passed. Try not to

by approximately 4.3 psi (30 kPa, 0.3

drive over curbs, potholes or on other

kgf/cm 2 ) when the tire becomes warm.

rough surfaces. If doing so is unavoid-

. The tires are considered cold when

able, keep the vehicle9s speed down to

the vehicle has been parked for at least

a walking pace or less, and approach

three hours or has been driven less

the curbs as squarely as possible. Also,

than one mile (1.6 km).

make sure the tires are not pressed

against the curb when you park the

WARNING

vehicle.

. If you feel unusual vibration while

Do not let air out of warm tires to

driving or find it difficult to steer the

adjust pressure. Doing so will result

vehicle in a straight line, one of the tires

Tire placard

in low tire pressure.

and/or wheels may be damaged. Drive

Check the tire pressures when the tires are

slowly to the nearest authorized

Incorrect tire pressures detract from con-

cold. Use a pressure gauge to adjust the

SUBARU dealer and have the vehicle

trollability and ride comfort, and they cause

tire pressures to the values shown on the

inspected.

the tires to wear abnormally.

tire placard. The tire placard is located on

the door pillar on the driver9s side.

& Tire pressures and wear

Driving even a short distance warms up

S11AV04

Maintaining the correct tire pressures

the tires and increases the tire pressures.

helps to maximize the tires9 service lives

Also, the tire pressures are affected by the

and is essential for good running perfor-

outside temperature. It is best to check tire

mance. Check and, if necessary, adjust

pressure outdoors before driving the ve-

the pressure of each tire (including the

hicle.

spare - if equipped) at least once a month

When a tire becomes warm, the air inside it

(for example, during a fuel stop) and

expands, causing the tire pressure to

before any long journey.

increase. Be careful not to mistakenly

release air from a warm tire to reduce its

pressure.

3 CONTINUED 3

11-24 Maintenance and service/Tires and wheels

Over inflated (tread worn in the center)

correctly balanced, have them checked

Ride comfort is poor. Also, the tire

and adjusted by your SUBARU dealer.

magnifies the effects of road-surface

Also have them adjusted after tire repairs

bumps and dips, possibly resulting in

and after tire rotation.

vehicle damage.

If the tire placard shows tire pressures for

CAUTION

the vehicle when fully loaded, adjust the

tire pressures to the values that match the

Loss of correct wheel alignment

loading conditions.

causes the tires to wear on one side

and reduces the vehicle9s running

WARNING

stability. Contact your SUBARU

dealer if you notice abnormal tire

Driving at high speeds with exces-

wear.

sively low tire pressures can cause

the tires to deform severely and to

rapidly heat up. A sharp increase in

NOTE

temperature could cause tread se-

The suspension system is designed to

paration, and destruction of the

hold each wheel at a certain alignment

tires. The resulting loss of vehicle

(relative to the other wheels and to the

control could lead to an accident.

road) for optimum straight-line stability

and cornering performance.

& Wheel balance

S11AV05

Each wheel was correctly balanced when

your vehicle was new, but the wheels will

become unbalanced as the tires become

worn during use. Wheel imbalance causes

Correct tire pressure (tread worn evenly)

Roadholding is good, and steering is

the steering wheel to vibrate slightly at

responsive. Rolling resistance is low, so

certain vehicle speeds and detracts from

fuel consumption is also lower.

the vehicle9s straight-line stability. It can

Under inflated tire (tread worn on

also cause steering and suspension sys-

shoulders)

tem problems and abnormal tire wear. If

Rolling resistance is high, so fuel con-

sumption is also higher.

you suspect that the wheels are not

Maintenance and service/Tires and wheels 11-25

& Wear indicators

direction when the wheels are fitted.

cause the vehicle to hydroplane. The

resulting loss of vehicle control can

S11AV06

& Tire rotation

lead to an accident.

S11AV07

NOTE

For safety, inspect tire tread regularly

and replace the tires before their tread

wear indicators become visible.

& Rotational direction of tires

S11AV11

New tread

Worn tread

Tread wear indicator

Vehicles equipped with 4 non-unidirec-

tional tires

Each tire incorporates a tread wear in-

1) Front

dicator, which becomes visible when the

depth of the tread grooves decreases to

0.063 in (1.6 mm). A tire must be replaced

when the tread wear indicator appears as

a solid band across the tread.

WARNING

Example of rotational direction marked on

the sidewall

When a tire9s tread wear indicator

1) Front

becomes visible, the tire is worn

If the tires have specific rotational direc-

beyond the acceptable limit and

tion, refer to the arrow marked on the side

must be replaced immediately. With

wall.

a tire in this condition, driving at

The arrow should be pointing forward

high speeds in wet weather can

3 CONTINUED 3

11-26 Maintenance and service/Tires and wheels

wheels= F11-27.

recommends replacing all four tires at the

same time.

& Tire replacement

WARNING

S11AV08

The wheels and tires are important and

integral parts of your vehicle9s design; they

. When replacing or installing tire

cannot be changed arbitrarily. The tires

(s), all four tires must be the same

fitted as standard equipment are optimally

for following items.

matched to the characteristics of the

(a) Size

vehicle and were selected to give the best

(b) Circumference

possible combination of running perfor-

mance, ride comfort, and service life. It is

essential for every tire to have a size and

(d) Load index

construction matching those shown on the

Vehicles equipped with unidirectional

(e) Construction

tire placard and to have a speed symbol

tires

and load index matching those shown on

(f) Manufacturer

1) Front

the tire placard.

(g) Brand (tread pattern)

Tire wear varies from wheel to wheel.

Using tires of a non-specified size detracts

(h) Degrees of wear

Move the tires to the positions shown in the

from controllability, ride comfort, braking

illustration each time they are rotated. For

For the items (a) to (d), you must

performance, speedometer accuracy and

the tire rotation schedule, refer to the

obey the specification that is

odometer accuracy. It also creates incor-

<Warranty and Maintenance Booklet=.

printed on the tire placard. The

rect body-to-tire clearances and inappro-

tire placard is located on the

Replace any damaged or unevenly worn

priately changes the vehicle9s ground

driver9s door pillar.

tires at the time of rotation. After tire

clearance.

If all of four tires are not the same

rotation, adjust the tires pressures and

All four tires must be the same in terms of

for items (a) to (h), serious me-

make sure the wheel nuts are correctly

manufacturer, brand (tread pattern), con-

chanical damage could occur to

tightened.

struction, and size. You are advised to

the drive train of your car, and

After driving approximately 600 miles

replace the tires with new ones that are

affect the following.

(1,000 km), check the wheel nuts again

identical to those fitted as standard equip-

4 Ride

and retighten any nut that has become

ment.

4 Handling

loose.

For safe vehicle operation, SUBARU

4 Braking

For handling alloy wheels, refer to <Alloy

Maintenance and service/Alloy wheels 11-27

Alloy wheels

4 Speedometer/Odometer

WARNING

calibration

S11BM

Use only those wheels that are

4 Clearance between the body

Alloy wheels can be scratched and da-

specified for your vehicle. Wheels

and tires

maged easily. Handle them carefully to

not meeting specifications could

maintain their appearance, performance,

It also may be dangerous and

interfere with brake caliper opera-

and safety.

lead to loss of vehicle control,

tion and may cause the tires to rub

and it can lead to an accident.

. When any of the wheels are removed

against the wheel well housing dur-

and replaced for tire rotation or to change a

. Use only radial tires. Do not use

ing turns. The resulting loss of

flat tire, always check the tightness of the

radial tires together with belted

vehicle control could lead to an

wheel nuts after driving approximately 600

bias tires and/or bias-ply tires.

accident.

miles (1,000 km). If any nut is loose,

Doing so can dangerously re-

tighten it to the specified torque.

duce controllability, resulting in

NOTE

. Never apply oil to the threaded parts,

an accident.

wheel nuts, or tapered surface of the

When any of the wheels are removed

wheel.

and replaced for tire rotation or for any

& Wheel replacement

. Never let the wheel rub against sharp

other reason, always check the tight-

protrusions or curbs.

S11AV09

ness of the wheel nuts after driving

When replacing wheels due, for example,

approximately 600 miles (1,000 km). If

. When wheel nuts, balance weights, or

to damage, make sure the replacement

any nut is loose, tighten it to the

the center cap is replaced, be sure to

wheels match the specifications of the

specified torque.

replace them with genuine SUBARU parts

wheels that are fitted as standard equip-

designed for alloy wheels.

ment. Replacement wheels are available

. When stacking and storing removed

from SUBARU dealers.

tires, place shock-absorbing material be-

tween the tires to protect the wheels from

becoming scratched.

Maintenance and service -> Tires and wheels for Your Subaru XV SUV Second Generation (2017-2022)

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