2010 TOYOTA AVALON engine

Maintenance and care4
311
AVALON_U (OM41437U)
4-1. Maintenance and careCleaning and protecting the vehicle exterior ......... 312
Cleaning and protecting the vehicle interior .......... 315
4-2. Maintenance Maintenance requirements .................. 318
General maintenance....... 320
Emission inspection and maintenance (I/M)
programs ........................ 323
4-3. Do-it-yourself maintenance Do-it-yourself service precautions .................... 324
Hood ................................ 327
Positioning a floor jack ................................ 328
Engine compartment ........ 330
Tires ................................. 345
Tire inflation pressure ...... 354
Wheels ............................. 358
Air conditioning filter......... 360
Key battery ....................... 363
Checking and replacing fuses .............................. 367
Headlight aim (with discharge headlights) ..................... 376
Light bulbs........................ 378

319
4-2. Maintenance
4
Maintenance and care
AVALON_U (OM41437U)
■
Allow inspection and repairs to be performed by a Toyota dealer
● Toyota technicians are well-trained specialists and are kept up to date
with the latest service information. They are well informed about the
operations of all systems on your vehicle.
● Keep a copy of the repair order. It proves that the maintenance that has
been performed is under warranty coverage. If any problem should arise
while your vehicle is under warranty, your Toyota dealer will promptly
take care of it.
CAUTION
■If your vehicle is not properly maintained
It could result in serious damage to the vehicle and possible serious in\
jury or
death.
■ Hazardous materials
● Engine exhaust, some of its constituents, and a wide variety of automobile
components contain or emit chemicals known to the State of California to
cause cancer and birth defects and other reproductive harm. Work in a
well ventilated area.
● Oils, fuels and fluids contained in vehicles as well as waste produced by
component wear contain or emit chemicals known to the State of Califor-
nia to cause cancer and birth defects or other reproductive harm. Avoid
exposure and wash any affected area immediately.
● Battery posts, terminals and related accessories contain lead and lead
compounds which are known to cause brain damage. Wash your hands
after handling. ( P. 341)
● Used engine oil contains chemicals that have been shown to cause cancer
in laboratory animals. Avoid prolonged and repeated contact. Always pro-
tect your skin by washing thoroughly with soap and water.

320
4-2. Maintenance
AVALON_U (OM41437U)
General maintenance
Engine compartment
ItemsCheck points
Battery • Maintenance-free ( P. 341)
Brake fluid • At the correct level? ( P. 338)
Engine coolant • At the correct level? ( P. 336)
Engine oil • At the correct level? ( P. 332)
Exhaust system • No fumes or strange sounds?
Power steering fluid • At the correct level? ( P. 339)
Radiator/condenser/hoses • Not blocked with foreign matter?
(P. 337)
Washer fluid • At the correct level? ( P. 344)
Listed below are the general maintenance items that should be per-
formed at the intervals specified in the “Scheduled Maintenance
Guide” or “Owner’s” Manual Suppl ement”. It is recommended that
any problem you notice should be brought to the attention of your
Toyota dealer or qualified service shop for advice.

322 4-2. Maintenance
AVALON_U (OM41437U)
Vehicle exterior
ItemsCheck points
Doors/trunk • Operate smoothly?
Engine hood • The lock system works properly?
Fluid leaks • Is there any leakage after parking?
Tire • Inflation pressure is correct?
• Tire surfaces not worn or damaged?
• Tires rotated according to the mainte-
nance schedule?
• Wheel nuts are not loose?
CAUTION
■ If the engine is running
Turn off the engine and ensure that there is adequate ventilation before per-
forming maintenance checks.

324
AVALON_U (OM41437U)
4-3. Do-it-yourself maintenance
Do-it-yourself ser vice precautions
If you perform maintenance yourself, be sure to follow the correct
procedure given in these sections.
ItemsParts and tools
Battery condition ( P. 341)
•Warm water
• Baking soda
• Grease
• Conventional wrench
(for terminal clamp bolts)
Brake fluid level ( P. 338)
• FMVSS No.116 DOT 3 or SAE
J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant level ( P. 336)
• “Toyota Super Long Life Coolant”
or similar high quality ethylene
glycol based non-silicate, non-
amine, non-nitrite and non-borate
coolant with long-life hybrid
organic acid technology.
For the U.S.A.:
“Toyota Super Long Life Cool-
ant” is pre-mixed with 50% cool-
ant and 50% deionized water.
For Canada:
“Toyota Super Long Life Cool-
ant” is pre-mixed with 55% cool-
ant and 45% deionized water.
• Funnel (used only for adding cool- ant)
Engine oil level ( P. 332)
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used only for adding engine oil)

4
Maintenance and care
325
4-3. Do-it-yourself maintenance
AVALON_U (OM41437U)
CAUTION
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions.
■
When working on the engine compartment
● Keep hands, clothing, and tools away from the moving fan and engine
drive belt.
● Be careful not to touch the engine, radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil and other fluids may also be hot.
● Do not leave anything that may burn easily, such as paper or rags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel or the bat-
tery. Fuel and battery fumes are flammable.
● Be extremely cautious when working on the battery. It contains poisonous
and corrosive sulfuric acid.
ItemsParts and tools
Fuses (P. 367)• Fuse with same amperage rating
as original
Headlight aim ( P. 376)• Phillips-head screwdriver
Power steering fluid level
(P. 339)
• Automatic transmission fluid
DEXRON® II or III
• Rag or paper towel
• Clean funnel
Radiator and condenser (P. 337)
Tire inflation pressure ( P. 354)• Tire pressure gauge
• Compressed air source
Washer fluid (P. 344)
• Water washer fluid containing anti-
freeze (for winter use)
• Funnel

326 4-3. Do-it-yourself maintenance
AVALON_U (OM41437U)
CAUTION
■When working near the electric cooling fan or radiator grille
Vehicles with smart key system
Be sure the “ENGINE START STOP” switch is turned OFF. With the
“ENGINE START STOP” switch in IGNITION ON mode, the electric cooling
fan may automatically start to run if the air conditioning is on and/or the cool-
ant temperature is high. ( P. 337)
Vehicles without smart key system
Be sure the engine switch is OFF. With the engine switch in the “ON” posi-
tion, the electric cooling fan may automatically start to run if the air condition-
ing is on and/or the coolant temperature is high. ( P. 337)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in the eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air. Also a backfire could cause a fire in the engine compart-
ment.

4
Maintenance and care
329
4-3. Do-it-yourself maintenance
AVALON_U (OM41437U)
CAUTION
■
When raising your vehicle
Make sure to observe the following to reduce the possibility of death or\
seri-
ous injury.
● Do not use the jack that was supplied with your vehicle.
● Do not put any part of your body or get underneath the vehicle supported
only by the jack.
Always use automotive jack stands or a solid, level surface.
● Do not start the engine while the vehicle is supported by the floor jack.
● Stop the vehicle on level firm ground, firmly set the parking brake and put
the shift lever in “P”.
● Make sure to set the floor jack properly at the jack point.
Raising the vehicle with an improperly positioned floor jack will damage
the vehicle and may cause the vehicle to fall off the floor jack.
● Do not raise the vehicle while someone is in the vehicle.
● When raising the vehicle, do not place any objects on top of or underneath
the floor jack.
●Lift up the vehicle using a floor jack
such as the one shown in the illustra-
tion.