Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 45 05sienna 72
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05 SIENNA_U (L/O 0409)
SECTION 7- 2
DO- IT- YOURSELF MAINTENANCE
Engine and Chassis
Checking the engine oil level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466
Checking the engine coolant level . . . . . . . . . . . . . . . . . . . . . . . . . . . . 468
Checking the radiator and condenser . . . . . . . . . . . . . . . . . . . . . . . . . 469
Checking brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470
Checking power steering fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471
Checking tire inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471
Checking and replacing tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474
Rotating tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476
Run- flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 477
Installing snow tires and chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479
Replacing wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480
Aluminum wheel precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481
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Checking the engine oil level
CAUTION NOTICE
Low level Full level
z Be careful not to spill engine oil on
Be careful not to touch the hot ex-
the vehicle components.
haust manifold.
z Avoid overfilling, or the engine
could be damaged.
NOTICE z Check the oil level on the dipstick
Be careful not to drop engine oil on once again after adding the oil.
the vehicle components.
Add oil O.K. Too full
If the oil level is below or only slightly
above the low level, add engine oil of
the same type as already in the engine.
With the engine at operating tempera-
ture and turned off, check the oil level Remove the oil filler cap and add engine
on the dipstick. oil in small quantities at a time, checking
the dipstick. We recommend that you use
1. To get a correct reading, the vehicle
a funnel when adding oil.
should be on a level ground. After turn-
ing off the engine, wait a few minutes The approximate quantity of oil needed to
for the oil to drain back into the bottom raise the level between low and full on the
of the engine. dipstick is indicated below for reference.
2. Pull the dipstick out, hold a rag under When the level reaches within the correct
the end and wipe it clean. range, install the filler cap hand- tight.
3. Reinsert the dipstick--push it in as far Oil quantity, L (qt., Imp. qt.):
as it will go, or the reading will not be 1.5 (1.6, 1.3)
correct.
4. Pull the dipstick out and look at the oil
level while holding a rag under the
end.
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Engine oil selection If SAE 5W- 30 is not available, SAE
"Toyota Genuine Motor Oil" is used in 10W- 30 may be used. However, it
your Toyota vehicle. Use Toyota approved should be replaced with SAE 5W- 30 at
"Toyota Genuine Motor Oil" or equivalent the next oil change.
to satisfy the following grade and
viscosity.
Oil grade:
API grade SL "Energy- Conserving" or
ILSAC multigrade engine oil
Recommended viscosity:
SAE 5W- 30
API service symbol
Outside temperature
SAE 5W- 30 is the best choice for good
fuel economy and good starting in cold
weather.
ILSAC certification mark
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Checking the engine coolant
level
Oil identification marks Look at the see- through coolant reser-
Either or both API registered marks are voir when the engine is cold. The cool-
added to some oil containers to help ant level is satisfactory if it is between
you select the oil you should use. the "FULL" and "LOW" lines on the
reservoir. If the level is low, add the
The API Service Symbol is located any- coolant. (For the coolant type, see
where on the outside of the container. "Coolant type selection" described be-
The top portion of the label shows the oil low.)
quality by API (American Petroleum Insti- The coolant level in the reservoir will vary
tute) designations such as SL. The center with engine temperature. However, if the
portion of the label shows the SAE viscos- level is on or below the "LOW" line, add
ity grade such as SAE 5W- 30. "Energy- coolant. Bring the level up to the "FULL"
Conserving" shown in the lower portion, line.
indicates that the oil has fuel- saving ca-
pabilities. If the coolant level drops within a short
To ensure excellent lubrication perfor-
mance for your engine, "Toyota Genuine time after replenishing, there may be a
The ILSAC (International Lubricant Stan- leak in the system. Visually check the
dardization and Approval Committee) Certi- Motor Oil" is available, which has been
radiator, hoses, engine coolant filler cap,
fication Mark is displayed on the front of specifically tested and approved for all
Toyota engines. radiator cap and drain cock and water
the container. pump.
Please contact your Toyota dealer for fur-
ther details about "Toyota Genuine Motor If you can find no leak, have your Toyota
dealer test the cap pressure and check
Oil".
for leaks in the cooling system.
CAUTION
To prevent burning yourself, do not
remove the radiator cap when the en-
gine is hot.
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Checking the radiator and
condenser
Coolant type selection If any of the above parts are extremely
Use of improper coolants may damage dirty or you are not sure of their condi-
your engine cooling system. tion, take your vehicle to a Toyota dealer.
Only use "Toyota Super Long Life Coolant"
CAUTION
or similar high quality ethylene glycol
based non- silicate, non- amine, non- nitrite, To prevent burning yourself, be care-
and non- borate coolant with long- life
ful not to touch the radiator or con-
hybrid organic acid technology. (Coolant
denser when the engine is hot.
with long- life hybrid organic acid
technology is a combination of low
phosphates and organic acids.) NOTICE
For the U.S.A.--"Toyota Super Long Life
Coolant" is a mixture of 50% coolant and To prevent damage to the radiator
50% deionized water. This coolant pro- Toyota recommends "Toyota Super Long
and condenser, do not perform the
vides protection down to about -35_C Life Coolant", which has been tested to
work by yourself.
(- 31_F). ensure that it will not cause corrosion nor
For Canada--"Toyota Super Long Life result in malfunction of your engine
Coolant" is a mixture of 55% coolant and coolant system with proper usage. "Toyota
45% deionized water. This coolant pro- Super Long Life Coolant" is formulated
vides protection down to about -42_C with long- life hybrid organic acid
(- 44_F). technology and has been specifically
designed to avoid engine cooling system
NOTICE malfunction on Toyota vehicles.
Do not use plain water alone. Please contact your Toyota dealer for
further details.
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Checking brake fluid
If the level is low, add SAE J1703 or
NOTICE
FMVSS No.116 DOT 3 brake fluid to the
brake reservoir. If you spill some of the fluid, be sure
Remove and replace the reservoir cap by to wipe it off to prevent it from dam-
hand. Fill the brake fluid to the dotted aging the parts or paintwork.
line. This brings the fluid to the correct
level when you put the cap back on.
Use only newly opened brake fluid. Once
opened, brake fluid absorbs moisture from
the air, and excess moisture can cause a
dangerous loss of braking.
When the brake fluid must be replaced,
contact your Toyota dealer.
To check the fluid level, simply look at
the see- through reservoir. The level CAUTION
should be between the "MAX" and
"MIN" lines on the reservoir. Take care when filling the reservoir
It is normal for the brake fluid level to go because brake fluid can harm your
down slightly as the brake pads wear. So hands or eyes. If fluid gets on your
be sure to keep the reservoir filled. hands or in your eyes, flush the af-
fected area with clean water immedi-
If the reservoir needs frequent refilling, it ately. If you still feel uncomfortable
may indicate a serious mechanical prob- with your hands or eyes, go to the
lem. doctor.
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Checking tire inflation
Checking power steering fluid pressure
Clean all dirt from the outside of the res-
ervoir tank and look at the fluid level. If
If cold O.K. If hot O.K. the fluid is cold, the level should be in the
Open "COLD" range. Similarly, if it is hot, the
Close fluid level should be in the "HOT" range.
If the level is at the low side of either
range, add automatic transmission fluid
DEXRONrII or III to bring the level within
the range.
To remove the reservoir cap, turn it coun-
If cold add If hot add terclockwise and lift up. To reinstall it,
turn it clockwise. After replacing the reser-
voir cap, visually check the steering box
case, vane pump and hose connections
Check the fluid level through the reser- for leaks or damage.
voir. If necessary, add automatic trans-
mission fluid DEXRONrII or III. CAUTION
If the vehicle has been driven around 80
km/h (50 mph) for 20 minutes (a little The reservoir tank may be hot so be
more in frigid temperatures), the fluid is careful not to burn yourself.
hot (60_C--80_C or 140_F--175_F). You
may also check the level when the fluid
is cold (about room temperature, NOTICE
10_C--30_C or 50_F--85_F) if the engine
Avoid overfilling, or the power steer-
has not been run for about five hours.
ing could be damaged.
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Keep your tire inflation pressures The following instructions for D Do not bleed or reduce tire
at the proper level. checking tire inflation pressure inflation pressure after driving.
The recommended cold tire inflation should be observed: It is normal for the tire inflation
pressures, tire sizes and the com- D The pressure should be pressure to be higher after driving.
bined weight of occupants and cargo checked only when the tires are D Never exceed the vehicle capac-
(vehicle capacity weight) are de- cold. If your vehicle has been ity weight. Passenger and lug-
scribed on page 496 and 499. They parked for at least 3 hours and has gage weight should be located so
are also on the tire and loading infor- not been driven for more than 1.5 that the vehicle is balanced.
mation label. km or 1 mile since, you will get
You should check the tire inflation an accurate cold tire inflation pres-
pressure every two weeks, or at least sure reading.
once a month. And do not forget the D Always use a tire pressure
spare! gauge. The appearance of a tire
can be misleading. Besides, tire
inflation pressures that are even
just a few pounds off can degrade
ride and handling.
D Take special care when adding
air to the compact spare tire.
The smaller tire size can gain
pressure very quickly. Add com-
pressed air in small quantities and
check the pressure often until it
reaches the specified pressure.
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5. After completing the tire inflation
Tire pressure gauge CAUTION
pressure measurement and ad-
justment, apply soapy water to the
valve and check for leakage. Keep your tires properly inflated.
Otherwise, the following condi-
6. Install the tire valve cap. tions may occur and cause an ac-
If a gauge and air pump are not avail- cident resulting in death or seri-
able, have your vehicle checked by ous injuries.
your Toyota dealer. Low tire pressure (underinfla-
tion)--
CAUTION
D Excessive wear
Be sure to reinstall the tire valve D Uneven wear
caps. Without the valve caps, dirt D Poor handling
INSPECTION AND ADJUSTMENT
or moisture could get into the
PROCEDURE
valve core and cause air leakage. D Possibility of blowouts from an
1. Remove the tire valve cap. If the caps have been lost, have overheated tire
2. Press the tip of the tire pressure new ones put on as soon as pos- D Poor sealing of the tire bead
gauge to the tire valve. sible. D Wheel deformation and/or tire
3. Read the pressure using the grad- separation
uations of the gauge. Incorrect tire inflation pressure may D A greater possibility of tire
4. In case the tire inflation pressure waste fuel, reduce the comfort of driv- damage from road hazards
is not within the prescribed range, ing, reduce tire life and make your ve-
insert the compressed air from the hicle less safe to drive.
valve. In case of applying too If a tire frequently needs refilling,
much air, press the center of the have it checked by your Toyota deal-
valve and release the air to adjust. er.
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Checking and replacing tires
The tires on your Toyota have built- in
High tire pressure (overinfla- Tread wear indicator tread wear indicators to help you
tion)-- know when the tires need replace-
D Poor handling ment. When the tread depth wears to
D Excessive wear 1.6 mm (0.06 in.) or less, the indica-
tors will appear. If you can see the
D Uneven wear indicators in two or more adjacent
D A greater possibility of tire grooves, the tire should be replaced.
damage from road hazards The lower the tread, the higher the
risk of skidding.
The effectiveness of snow tires is
lost if the tread wears down below
4 mm (0.16 in.).
CHECKING YOUR TIRES
If you have tire damage such as
Check the tire's tread for tread cuts, splits, cracks deep enough to
wear indicators. If the indicators expose the fabric, or bulges indi-
show, replace the tires. The loca- cating internal damage, the tire
tion of tread wear indicators is should be replaced.
shown by the "TWI" or " " marks,
If a tire often goes flat or cannot be
etc., molded on the sidewall of
each tire. properly repaired due to the size or
location of a cut or other damage, it
should be replaced. If you are not
sure, consult with your Toyota dealer.
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If air loss occurs while driving, do not Using any other size or type of tire
continue driving. Driving even a short may seriously affect handling, ride, D Do not mix radial, bias belted,
distance can damage a tire beyond speedometer/odometer calibration, or bias- ply tires on your ve-
repair. ground clearance, and clearance be- hicle, as this may cause dan-
tween the body and tires or snow gerous handling characteris-
Any tires which are over 6 years tics resulting in loss of control.
old must be checked by a qualified chains.
technician even if damage is not Check that the maximum load of the D Do not use tires other than the
obvious. replaced tire is greater than 1/2 of the manufacturer's recommended
Gross Axle Weight Ratings (GAWR) size, as this may cause danger-
Tires deteriorate with age even if they ous handling characteristics
have never or seldom been used. of either the front axle or the rear
axle, whichever is greater. As for the resulting in loss of control.
This applies also to the spare tire and maximum load of the tire, see the load D All- wheel drive models:
tires stored for future use. limit at maximum cold tire inflation Do not use tires of different
REPLACING YOUR TIRES pressure mentioned on the sidewall brands, sizes, construction or
When replacing a tire, use a tire of of the tire, and as for the Gross Axle tread patterns, as this may
the same size and construction, Weight Ratings (GAWR), see the Cer- cause dangerous handling
and the same or greater maximum tification Label. characteristics resulting in
load as the originally installed For details about the side wall of the loss of control.
tires. Also, on all- wheel drive mod- tire and the Certification Label, see
els, all the tires must be the same pages 386 and 388.
brand and have the same tread pat-
terns. CAUTION
Observe the following instruc-
tions. Otherwise, an accident
may occur resulting in death or
serious injuries.
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Rotating tires
Toyota recommends all four tires, When rotating tires, check for uneven
or at least both of the front or rear wear and damage. Abnormal wear is
tires be replaced at a time as a set. usually caused by incorrect tire pres-
See "If you have a flat tire" on page sure, improper wheel alignment, out-
421 in Section 4 for tire change proce- of- balance wheels, or severe braking.
dure.
CAUTION
When a tire is replaced, the wheel
should always be balanced. Do not include a compact spare
An unbalanced wheel may affect ve- tire when rotating the tires. It is
hicle handling and tire life. Wheels designed for temporary use only.
can get out of balance with regular
use and should therefore be balanced Initial adjustment of the tire pres-
occasionally. To equalize the wear and help ex- sure warning system is necessary
When replacing a tubeless tire, the tend tire life, Toyota recommends after you have rotated your tires.
air valve should also be replaced that you rotate your tires accord- See "Tire pressure warning sys-
with a new one. ing to the maintenance schedule. tem" on page 196 in Section 1- 7.
(For scheduled maintenance infor-
Initial adjustment of the tire pres-
mation, please refer to the "Sched-
sure warning system is necessary
uled Maintenance Guide" or "Own-
after you have rotated your tires.
er's Manual Supplement".)
See "Tire pressure warning sys-
However, the most appropriate tim-
tem" on page 196 in Section 1- 7.
ing for tire rotation may vary ac-
cording to your driving habits and
road surface conditions.
See "If you have a flat tire" on page
421 in Section 4 for tire change proce-
dure.
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Run- flat tires
There is an "RFT" or "DSST" mark on If the tire pressure warning light
the sidewall of the run- flat tire. comes on:
If you cannot distinguish between the Decelerate at a speed below 90
standard tire and run- flat tire, consult km/h (55 mph), then adjust the tire
your Toyota dealer. pressure to the specified level as
The tire warranty book provides de- soon as possible. Do not drive
tailed information on the run- flat tires. more than 160 km (100 miles).
For details, see the tire warranty D When the tire pressure is below
book. 140 kPa (1.4 kgf/cm2 or bar, 20
psi), consult your Toyota deal-
CAUTION er. If the tire is flat or the tire
pressure is below 100 kPa (1.0
Some vehicles are equipped with D Do not use non- genuine kgf/cm2 or bar, 15 psi), the tire
wheels, as this may cause dan- must be replaced. Do not use
run- flat (RFT) tires. The run- flat
gerous handling characteris- the repaired tire.
tire allows you to continue driving
for up to 160 km (100 miles) at a tics resulting in loss of control. D When the tire pressure is 140
speed below 90 km/h (55 mph) D Do not use the run- flat tires kPa (1.4 kgf/cm2 or bar, 20 psi)
even if any tire goes flat. However, equipped on your vehicle on or more, adjust it to specified
in some conditions (such as high another model. These tires are level. (See "Tires" on page 499
temperatures), you could not con- especially for this model. in Section 8.)
tinue driving for up to 160 km (100 D Do not mix run- flat tires with For details about the tire pressure
miles). standard tires. warning system, see "Tire pressure
When the tire goes flat or when the warning system" on page 196 in Sec-
tire pressure is below 100 kPa (1.0 tion 1- 7.
kgf/cm2 or bar, 15 psi), the tire
must be replaced. If you are not
sure, consult your Toyota dealer.
Do not use the repaired tire.
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Vehicles with compact spare tire--
D Avoid abrupt steering wheel NOTICE
When you replace the tire, see
maneuvering and braking. If
"--Compact spare tire" through "--Af- z Take due care not to go over
ter changing wheels", pages 423 the vehicle tires deteriorate, a curb stone and be careful
through 435 in Section 4. you could lose control of the of the holes in the road be-
steering wheel or the brakes,
cause deflated tire pressure
CAUTION causing death or serious inju- affects tire cushion perfor-
ry. mance. The wheels, tires,
As the run- flat tire allows you to D Do not replace or repair the tire body, suspension and other
continue driving if any tire goes by yourself. When the tires components could be dam-
flat, the tire performance is not must be replaced or repaired, aged.
the same as normal condition. If consult your Toyota dealer or
z Your ground clearance is re-
the run- flat tire goes flat, take authorized tire dealer. duced if the run- flat tire
your vehicle to the nearest Toyo-
goes flat so avoid driving
ta dealer or authorized tire dealer
over obstacles and drive
as soon as possible, observing
slowly on rough, unpaved
the following instructions:
roads and speed bumps.
D Decelerate as soon as possible Also, do not attempt to go
to the lowest appropriate through an automatic car
speed that conditions permit. wash as the vehicle may get
Do not drive for longer than caught, resulting in damage.
160 km (100 miles) or over 90
km/h (55 mph).
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Installing snow tires and
chains
WHEN TO USE SNOW TIRES OR SNOW TIRE INSTALLATION
CHAINS CAUTION
Snow tires should be installed on all
Snow tires or chains are recommended wheels.
Observe the following instructions.
when driving on snow or ice. Installing snow tires on the front wheels
Otherwise, an accident may occur re-
On wet or dry roads, conventional tires sulting in death or serious injuries. only can lead to an excessive difference
provide better traction than snow tires. D Do not use snow tires other than in road grip capability between the front
SNOW TIRE SELECTION and rear tires which could cause loss of
the manufacturer's recommended si-
vehicle control.
If you need snow tires, select tires of ze, as this may cause dangerous
the same size, construction and load handling characteristics resulting in When storing removed tires, you should
capacity as the originally installed tires. loss of control. store them in a cool dry place. Mark the
direction of rotation and be sure to install
Also, on all- wheel drive models, all the D All- wheel drive models:
tires must be the same brand and have them in the same direction when replac-
Do not use snow tires of different
the same tread patterns. ing.
brands, sizes, construction or tread
Do not use tires other than those men- patterns, as this may cause danger-
ous handling characteristics result- CAUTION
tioned above. Do not install studded tires
without first checking local regulations for ing in loss of control.
D Do not drive with the snow tires
possible restrictions.
incorrectly inflated.
D Never drive over 120 km/h (75 mph)
with any type of snow tires.
D Vehicles with run- flat tires--Do not
replace or repair the tire by your-
self. When the tires must be re-
placed or repaired, consult your
Toyota dealer or authorized tire
dealer.
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Replacing wheels
TIRE CHAIN SELECTION WHEN TO REPLACE YOUR WHEELS
CAUTION
Use the tire chains of correct size and If you have wheel damage such as
type. bending, cracks or heavy corrosion, the
D Do not exceed 50 km/h (30 mph) or
Use SAE Class "S" type radial tire chains wheel should be replaced.
the chain manufacturer's recom-
except radial cable chains or V- bar type mended speed limit, whichever is If you fail to replace a damaged wheel,
chains. lower. the tire may slip off the wheel or cause
loss of handling control.
Regulations regarding the use of tire D Drive carefully avoiding bumps,
chains vary according to location or holes, and sharp turns, which may WHEEL SELECTION
type of road, so always check local reg- cause the vehicle to bounce. When replacing wheels, care should be
ulations before installing chains.
D Avoid sharp turns or locked- wheel taken to ensure that the wheels are re-
CHAIN INSTALLATION braking, as use of chains may ad- placed by ones with the same load ca-
Install the chains on the front tires as versely affect vehicle handling. pacity, diameter, rim width, and offset.
tightly as possible. Do not use tire D When driving with chains installed, This must be observed on compact spare
chains on the rear tires. Retighten be sure to drive carefully. Slow tires, too.
chains after driving 0.5--1.0 km down before entering curves to Correct replacement wheels are available
(1/4--1/2 mile). avoid losing control of the vehicle. at your Toyota dealer.
When installing chains on your tires, care- Otherwise an accident may occur.
A wheel of a different size or type may
fully follow the instructions of the chain adversely affect handling, wheel and bear-
manufacturer. ing life, brake cooling, speedometer/odom-
NOTICE
If wheel covers are used, they will be eter calibration, stopping ability, headlight
scratched by the chain band, so remove Do not attempt to use a tire chain on aim, bumper height, vehicle ground clear-
the covers before putting on the chains. the compact spare tire, as it may re- ance, and tire or snow chain clearance to
sult in damage to the vehicle as well the body and chassis.
as the tire.
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Aluminum wheel precautions
Replacement with used wheels is not rec- Initial adjustment of the tire pressure D When installing aluminum wheels,
ommended as they may have been sub- warning system is necessary after you check that the wheel nuts are tight
jected to rough treatment or high mileage have replaced your wheels. See "Tire after driving your vehicle the first 1600
and could fail without warning. Also, bent pressure warning system" on page 196 km (1000 miles).
wheels which have been straightened may in Section 1- 7. D If you have rotated, repaired, or
have structural damage and therefore changed your tires, check that the
should not be used. Never use an inner wheel nuts are still tight after driving
tube in a leaking wheel which is designed 1600 km (1000 miles).
for a tubeless tire.
D When using tire chains, be careful not
to damage the aluminum wheels.
CAUTION
D Use only Toyota wheel nuts and
Observe the following instructions. wrench designed for your aluminum
Otherwise, an accident may occur re- wheels.
sulting in death or serious injuries. D When balancing your wheels, use only
D Do not use wheels other than the Toyota balance weights or equivalent
manufacturer's recommended size, and a plastic or rubber hammer.
as this may cause dangerous han- D As with any wheel, periodically check
dling characteristics resulting in your aluminum wheels for damage. If
loss of control. damaged, replace immediately.
D All- wheel drive models:
Do not use wheels of different
brands, sizes and types, as this
may cause dangerous handling
characteristics resulting in loss of
control.
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