2012 TOYOTA HILUX radiator

475 4-3. Do-it-yourself maintenance
4
Maintenance and care
HILUX_EE (OM0K132E)
ItemsParts and tools
Fuses (P. 509)• Fuse with same amperage rating
as original
Light bulbs (P. 525)
• Bulb with same number and watt-
age rating as original
• Phillips-head screwdriver
• Wrench
Radiator, condenser and
intercooler
(P. 488)
Tire inflation pressure (P. 500)• Tire pressure gauge
• Compressed air source
Washer fluid (P. 493)
• Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding
water or washer fluid)

476 4-3. Do-it-yourself maintenance
HILUX_EE (OM0K132E)
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 and 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, consult a doctor.
Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in your eyes.

480
4-3. Do-it-yourself maintenance
HILUX_EE (OM0K132E)
Engine compartment
Left-hand drive vehicles
Battery (if equipped)
(P. 489)
Engine coolant reservoir
(P. 486)
Intercooler (P. 488)
Engine oil filler cap
(P. 483)Engine oil level dipstick
(P. 482)
Fuel filter (P. 495, 587)
Fuse box (P. 509)
Battery (P. 489)
Washer fluid tank (P. 493)
Condenser (P. 488)
Radiator (P. 488)

481 4-3. Do-it-yourself maintenance
4
Maintenance and care
HILUX_EE (OM0K132E)
Right-hand drive vehicles
Engine coolant reservoir
(P. 486)
Intercooler (P. 488)
Engine oil filler cap
(P. 483)
Engine oil level dipstick
(P. 482)
Fuel filter (P. 495, 587)Battery (if equipped)
(P. 489)
Fuse box (P. 509)
Battery (P. 489)
Washer fluid tank (P. 493)
Condenser (P. 488)
Radiator (P. 488)

486 4-3. Do-it-yourself maintenance
HILUX_EE (OM0K132E)
Engine coolant
The coolant level is satisfactory if it is between the upper and lower
lines on the reservoir when the engine is cold.
Reservoir cap
Upper line
Lower line
If the level is on or below the
lower line, add coolant up to the
upper line. (P. 584)
Coolant selection
Only use “Toyota Super Long Life Coolant” or a similar high quality ethylene
glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant
with long-life hybrid organic acid technology.
“Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50%
deionized water. (Minimum temperature: -35C [-31F])
For more details about engine coolant, contact any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional.
If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine coolant reservoir caps, drain cock
and water pump.
If you cannot find a leak, have any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional, test the cap and check for
leaks in the cooling system.

488 4-3. Do-it-yourself maintenance
HILUX_EE (OM0K132E)
Radiator, condenser and intercooler
Check the radiator, condenser and intercooler and clear away any
foreign objects.
If any of the above parts is extremely dirty or you are not sure of their
condition, have your vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and equipped profes-
sional.
CAUTION
When the engine is hot
Do not touch the radiator, condenser or intercooler as they may be hot and
cause serious injuries, such as burns.

584
5-2. Steps to take in an emergency
HILUX_EE (OM0K132E)
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 sub-
sides 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 panel) begins to fall and then stop the engine.
If the fan is not operating:
Stop the engine immediately and call any authorized Toyota
dealer or repairer, or another duly qualified and equipped
professional.
After the engine has cooled
down sufficiently, check the
engine coolant level and
inspect the radiator core (radi-
ator) for any leaks.
STEP1
STEP2
STEP3
STEP4

586 5-2. Steps to take in an emergency
HILUX_EE (OM0K132E)
CAUTION
To prevent an accident or injury when inspecting under the hood of
your vehicle
If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot, caus-
ing serious injuries such as burns.
Keep hands and clothing away from the fans and drive belt while the
engine is running.
Do not loosen the coolant reservoir cap while the engine and radiator are
hot.
Serious injury, such as burns, may result from hot coolant and steam
released under pressure.
NOTICE
When adding engine coolant
Wait until the engine has cooled down before adding engine coolant.
When adding coolant, do so slowly. Adding cool coolant to a hot engine too
quickly can cause damage to the engine.