2009 TOYOTA 4RUNNER cooling

370 4-3. Do-it-yourself maintenance
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.
● Take care because brake fluid can harm your hands or eyes and damage
painted surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with
clean water immediately.
If you still experience discomfort, see a doctor.
■ When working near the cooling fan or radiator grille
Be sure the engine switch is off.
With the engine switch on, the cooling fan may automatically start to run if
the air conditioning is on and/or the coolant temperature is high.
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in the eyes.

380 4-3. Do-it-yourself maintenance
Engine coolantThe coolant level is satisfactory if it is between the F (Full) and L
(Low) lines on the reservoir when the engine is cold. Reservoir cap
F
L
If the level is on or below the L
line, add coolant up to the F line.
■If the coolant level drops within a short time after replenishing
Visually check the radiator, hoses, reservoir cap, radiator cap, drain cock
and water pump.
If you cannot find a leak, have your Toyota dealer pressure test the cap and
check for leaks in the cooling system.
■ Coolant selection
Only use “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.
U.S.A.: “Toyota Super Long Life Coolant” is a mixture of 50% coolant and
50% deionized water. (Enabled: -31 F [-35 C])
Canada: “Toyota Super Long Life Coolant” is a mixture of 55% coolant and 45% deionized water. (Enabled: -44 F [-42 C])
For more details about engine coolant, contact your Toyota dealer.
CAUTION
■ When the engine is hot
Do not remove the radiator cap.
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing burns or other injuries.

381
4-3. Do-it-yourself maintenance
4
Maintenance and care
Radiator and condenser
Check the radiator and condenser and clear any foreign objects.
If either of the above parts are extremely dirty or you are not sure of
their condition, have your vehicl e checked by your Toyota dealer.
Brake fluid
■ Checking fluid level
The brake fluid level should be
between the MAX and MIN lines
on the reservoir.
NOTICE
■When adding engine coolant
Coolant is neither plain water nor stra ight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication, corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
■ If you spill coolant
Be sure to wash it off with water to prevent damage to parts or paint.
CAUTION
■When the engine is hot
Do not touch the radiator or condenser as they may be hot and may cause
burns.

462 5-2. Steps to take in an emergency
NOTICE
■When handling jumper cables
Be careful that the jumper cables do not become tangled in the cooling fan
or any of the belts when connecting or disconnecting them.

5
When trouble arises
463
5-2. Steps to take in an emergency
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the air condi-
tioning system.
Check to see if steam is coming out from under the hood.
If you see steam: Stop the engine. Carefully lift the hood after the steam
subsides and then restart the engine.
If you do not see steam: Leave the engine running and carefully lift the hood.
Check to see if the cooling fan is operating.
If the fan is operating: Wait until the temperature of the engine (shown on the
instrument cluster) begins to fall and then stop the
engine.
If the fan is not operating: Stop the engine immediately and call your local Toyota
dealer.

475
6-1. Specifications
6
Vehicle specifications
Cooling system
Ignition system
Capacity
4.0 L V6 (1GR-FE) engine
10.4 qt. (9.8 L, 8.6 Imp.qt.)
4.7 L V8 (2UZ-FE) engine
13.0 qt. (12.3 L, 10.8 Imp. qt.)
Coolant typeUse either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, and
non-borate coolant with long-life hybrid
organic acid technology
Do not use plain water alone.
Spark plug 4.0 L V6 (1GR-FE) engine
Make
Gap
4.7 L V8 (2UZ-FE) engine
Make
Gap DENSO K20HR-U11
NGK LFR6C11
0.043 in. (1.1 mm)
DENSO SK20R11
NGK IFR6A11
0.043 in. (1.1 mm)
NOTICE
■
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning engine.

507
Alphabetical index
Break-in tips ............................ 133
Care
Exterior ................................. 356
Interior .................................. 359
Seat belts ............................. 360
Cargo capacity ........................ 203
Cargo net hook ........................ 339
CD changer .............................. 250
CD player ................................. 250
Center differential lock ........... 179
Certification label ............ 217, 471
Chains ...................................... 214
Child restraint system
Booster seats, definition ....... 114
Booster seats, installation .... 125
Convertible seats, definition............................. 114
Convertible seats,
installation .......................... 123
Front passenger occupant classification system .......... 108
Infant seats, definition .......... 113
Infant seats, installation ........ 122
Installing CRS with LATCH system................................ 119
Installing CRS with seat belts ................................... 117
Installing CRS with top tether straps ................................. 126
Child safety
Airbag precautions ............... 102
Battery precautions ...... 386, 461
Child restraint system ........... 113
Child-protectors ...................... 35
How your child should wear the seat belt ......................... 66
Installing child restraints ....... 117
Moon roof precautions............ 84
Power window lock switch ...... 77
Power window precautions..... 78
Removed key battery precautions ........................ 403 Seat belt extender
precautions ...........................68
Seat belt precautions ..............66
Seat heater precautions ........335
Child-protectors .........................35
Cleaning
Exterior ..................................356
Interior ...................................359
Seat belts ..............................360
Clock ........................................ 325
Coin holder ...............................311
Compass ...................................350
Condenser ................................381
Console box .............................312
Cooling system Engine overheating ...............463
CRS ...........................................113
Cruise control...........................166
Cup holders ......................305, 316
Curtain shield airbags ...............95
Customizable features.............495
Daytime running light
system ....................................160
DAC ...........................................186
Defogger
Rear window .........................240
Side mirrors ...........................240
Dimension.................................470
Dinghy towing ..........................228
Do-it-yourself main tenance.....368
Door courtesy lights Door courtesy lights ..............305
Wattage .................................480
Doors Door glasses ...........................76
Door lock ...........................29, 33
Open door warning light ........439
Side doors ...............................33
Side mirrors .............................73
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