engine coolant TOYOTA HILUX 2022 User Guide

4827-3. Do-it-yourself maintenance
HILUX_OM_OM0K513E_(EE)
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsParts and tools
Battery condition
( P. 494)
•Warm water• Baking soda•Grease
• Conventional wrench (for terminal clamp bolts)
• Distilled water
Engine coolant/
intercooler
coolant
(if equipped) level
( P. 492)
• “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 pre-mixed with
50% coolant and 50% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
( P. 489)
• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses (P. 5 2 0 )• Fuse with same amperage rating as original
Light bulbs
( P. 525)
• Bulb with same number and wattage rating as origi-
nal
• Phillips-head screwdriver
• Flathead screwdriver•Wrench
Radiator,
condenser and
intercooler
(if equipped)
( P. 493)

Tire inflation
pressure
( P. 510)
• Tire pressure gauge• Compressed air source
Washer fluid
( P. 498)
• Water or washer fluid containing antifreeze (for win-
ter use)
• Funnel (used only for adding water or washer fluid)

4867-3. Do-it-yourself maintenance
HILUX_OM_OM0K513E_(EE)
Engine compar tment
Gasoline engine
Engine coolant reservoir
( P. 492)
Engine oil level dipstick
( P. 489)
Engine oil filler cap ( P. 490)
Fuse box ( P. 520)
Battery ( P. 494)
Washer fluid tank ( P. 498)
Condenser ( P. 493)
Radiator ( P. 493)
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4877-3. Do-it-yourself maintenance
HILUX_OM_OM0K513E_(EE)
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Maintenance and care
Diesel engine (vehicles without water-cooled intercooler)
Engine coolant reservoir
( P. 492)
Engine oil filler cap ( P. 490)
Engine oil level dipstick
( P. 489)
Fuel filter ( P. 499, 614)
Fuse box ( P. 520)
Battery ( P. 494)
Washer fluid tank ( P. 498)
Intercooler ( P. 493)
Condenser (if equipped)
( P. 493)
Radiator ( P. 493)
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4887-3. Do-it-yourself maintenance
HILUX_OM_OM0K513E_(EE)
Diesel engine (vehicles with water-cooled intercooler)
Engine coolant reservoir
( P. 492)
Engine oil filler cap ( P. 490)
Engine oil level dipstick
( P. 489)
AdBlue™ tank cap ( P. 500)
Fuel filter ( P. 499, 614)
Fuse box ( P. 520)
Battery ( P. 494)
Washer fluid tank ( P. 498)
Intercooler coolant reservoir
( P. 492)
Intercooler cooling radiator
( P. 493)
Condenser (if equipped)
( P. 493)
Radiator ( P. 493)
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4927-3. Do-it-yourself maintenance
HILUX_OM_OM0K513E_(EE)
The coolant level is satisfactory if it is between the “F” and “L” lines on
the reservoir when the engine is cold.
QEngine coolant reservoir
If the level is on or below the “L” line, add coolant up to the “F” line.
( P. 610)
QIntercooler coolant reservoir (if equipped)
Reservoir cap
“F” line
“L” line
If the level is on or below the “L”
line, add coolant up to the “F”
line. ( P. 610)
QCoolant 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% deion-
ized water. (Minimum temperature: -35 C [-31F])
For more details about engine coolant, contact any authorized Toyota retailer
or Toyota authorized repairer, or any reliable repairer.
Coolant
Gasoline engineDiesel engine
Reservoir cap
“F” line
“L” line1
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3
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4937-3. Do-it-yourself maintenance
HILUX_OM_OM0K513E_(EE)
7
Maintenance and care
QIf the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine coolant reservoir cap, intercooler
coolant reservoir cap (if equipped), drain cock and water pump. If you cannot
find a leak, have any authorized Toyota retailer or Toyota authorized repairer,
or any reliable repairer test the cap and check for leaks in the cooling system.
Check the radiator, condenser and intercooler coolant radiator/inter-
cooler 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 vehi-
cle inspected by any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
WARNING
Q When the engine is hot
Do not remove the radiator cap (if equipped), the engine coolant reservoir
cap or intercooler coolant reservoir cap (if equipped).
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
Q When adding coolant
Coolant is neither plain water nor straight 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.
Q If you spill coolant
Be sure to wash it off with water to prevent it from damaging parts or paint.
Q Notice on coolant quality
Do not use improper coolant. If improper coolant is used, the engine cooling
system may be damaged.
Radiator, condenser and intercooler coolant radiator/intercooler
(if equipped)
WARNING
Q When the engine is hot
Do not touch the radiator, condenser or intercooler coolant radiator/inter-
cooler as they may be hot and cause serious injuries, such as burns.

5648-2. Steps to take in an emergency
HILUX_OM_OM0K513E_(EE)
If you think something is wrong
OFluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
O Flat-looking tires or uneven tire wear
O Engine coolant temperature gauge needle continually points higher
than normal.
O Changes in exhaust sound
O Excessive tire squeal when cornering
O Strange noises related to the suspension system
O Pinging or other noises related to the engine
O Engine missing, stumbling or running roughly
O Appreciable loss of power
O Vehicle pulls heavily to one side when braking
O Vehicle pulls heavily to one side when driving on a level road
O Loss of brake effectiveness, spongy feeling, pedal almost touches
the floor
If you notice any of the following symptoms, your vehicle proba-
bly needs adjustment or repair. Contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

5798-2. Steps to take in an emergency
HILUX_OM_OM0K513E_(EE)
8
When trouble arises
QIf a message that indicates the malfunction of front camera is shown
The following systems may be suspended until the problem shown in the
message is resolved. ( P. 271, 566)
O PCS (Pre-Collision System)*
OLDA (Lane Departure Alert With Yaw Assist Function)*
ORSA (Road Sign Assist)*
ODynamic radar cruise control*
*: If equipped
Q If a message that indicates the malfunction of radar sensor is shown
The following systems may be suspended until the problem shown in the
message is resolved. ( P. 271, 566)
O PCS (Pre-Collision System)*
OLDA (Lane Departure Alert With Yaw Assist Function)*
ODynamic radar cruise control*
*: If equipped
Q If “See owner’s manual” is shown
O If the following messages are shown, follow the instructions accordingly.
• “Engine Coolant Temp High Stop in a Safe Place” ( P. 610)
• “Transmission fluid temp high” ( P. 238)
• “Water accumulation in fuel filter” ( P. 499)
• “AdBlue Level Low Fill up AdBlue in 2400 km” ( P. 502)
• “AdBlue level Low No start in 800 km Top up AdBlue” ( P. 502)
• “AdBlue empty Unable to Restart Engine Fill up AdBlue” ( P. 502)
•“DPF full” ( P. 371)
• “Front Camera Temporarily Unavailable” ( P. 271)
O If “Smart Entry & Start System malfunction” is shown, this may be a mal-
function.
Immediately have the vehicle inspected by any authorized Toyota retailer or
Toyota authorized repairer, or any reliable repairer.
O If “Low Braking Power Stop in a Safe Place” is shown, there may be a mal-
function. Immediately stop the vehicle in a safe place and contact any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer. Continuing to drive the vehicle may be dangerous.
O If the following messages are shown, there may be a malfunction. Immedi-
ately stop the vehicle in a safe place and contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
• “Charging System Malfunction Stop in a Safe Place”
• “Oil Pressure Low Stop in a Safe Place”

6108-2. Steps to take in an emergency
HILUX_OM_OM0K513E_(EE)
If your vehicle overheats
Stop the vehicle in a safe place and turn off the air conditioning sys-
tem, and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down sufficiently, inspect the hoses and
radiator core (radiator) for any leaks.
Radiator
Cooling fan
If a large amount of coolant
leaks, immediately contact any
authorized Toyota retailer or
Toyota authorized repairer, or
any reliable repairer.
The following may indicate that your vehicle is overheating.
O The needle of the engine coolant temperature gauge (P. 130)
enters the red zone or a loss of engine power is experienced.
(For example, the vehicle speed does not increase.)
O Vehicles with multi-information display: “Engine Coolant Temp
High Stop in a Safe Place See Owner’s Manual” is shown on the
multi-information display.
O Steam comes out from under the hood.
Correction procedures
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6118-2. Steps to take in an emergency
HILUX_OM_OM0K513E_(EE)
8
When trouble arises
The coolant level is satisfactory if it is between the “F” and “L” lines
on the reservoir.
4
Reservoir
“F” line
“L” line
Radiator cap (if equipped)
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2
3
4
Engine coolant (gasoline
engine)
Engine coolant (diesel engine)
Intercooler coolant (if equipped)