2014 TOYOTA TUNDRA cooling

4968-2. Steps to take in an emergency
If your vehicle overheats
●The needle of the engine coolant temperature gauge ( P. 8 8 )
enters the red zone or a loss of engine power is experienced. (For
example, the vehicle sp eed does not increase.)
● “ENGINE COOLANT OVERTEMP” is shown on the multi-informa-
tion display. (vehicles with multi-information display)
● Steam comes out from under the hood.
Stop the vehicle in a safe place and turn off the air conditioning
system, 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 sufficient ly, inspect the
hoses and radiator core
(radiator) for any leaks.
Radiator
Cooling fan
If a large amount of coolant
leaks, immediately contact your
Toyota dealer.
The coolant level is satisfac-
tory if it is between the
“FULL” and “LOW” lines on
the reservoir.Reservoir
“FULL”
“LOW”
Radiator cap
The following may indicate that your vehicle is overheating:
Correction procedures
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2
3
1
2
4
1
2
3
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4978-2. Steps to take in an emergency
8
When trouble arises
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and check that the radiator cooling fan operates
and to check for coolant leaks from the radiator or hoses.
If the fan is not operating: Stop the engine immediately and contact your Toyota dealer.
If the fan is operating: Have the vehicle inspected at the nearest Toyota dealer.
5
CAUTION
■ When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
● 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.
● Keep hands and clothing away from the fans, etc., while the engine is run-
ning.
● Do not loosen the radiator cap and the coolant reservoir cap while the
engine and radiator are hot.
High temperature steam or coolant could spray out.
NOTICE
■When adding engine coolant
Add coolant slowly after the engine has cooled down sufficiently. Adding
cool coolant to a hot engine too quickly can cause damage to the engine.
■ To prevent damage to the cooling system
Observe the following precautions:
● Avoid contaminating the coolant with foreign matter (such as sand or dust,
etc.).
● Do not use any coolant additives.
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5109-1. Specifications
Cooling system
Capacity
1GR-FE
engine11.3 qt. (10.7 L, 9.4 Imp.qt.)
1UR-FE
engine
Vehicles without towing package
11.4 qt. (10.8 L, 9.5 Imp.qt.)
Vehicles with towing package
12.6 qt. (11.9 L, 10.5 Imp.qt.)
3UR-FE,
3UR-FBE
enginesVehicles without towing package
11.4 qt. (10.8 L, 9.5 Imp.qt.)
Vehicles with towing package
12.4 qt. (11.7 L, 10.3 Imp.qt.)
Coolant type Use 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.
Ignition system
Spark plug
Make1GR-FE engine
DENSO SK16HR11
1UR-FE, 3UR-FE and 3UR-FBE engines
DENSO SK20HR11
Gap0.043 in. (1.1 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.

563Alphabetical index
Child safety ................................ 55Airbag precautions .................. 42
Battery precautions ............... 495
Child restraint system ............. 56
How your child should wear the seat belt ................. 34
Installing child restraints ......... 60
Moon roof precautions .......... 144
Power back window precautions ......................... 141
Power window lock switch .... 136
Power window precautions ... 138
Rear door child-protector ...... 106
Removed wireless remote control battery
precautions ......................... 435
Seat belt extender precautions ........................... 37
Seat belt precautions .............. 59
Seat heater precautions........ 351
Child-protectors....................... 106
Cleaning ........................... 392, 394 Aluminum wheels.................. 392
Exterior ................................. 392
Interior................................... 394
Seat belts .............................. 395
Clock ......................................... 375
Compass .................................. 387
Condenser ................................ 412
Console box ............................. 359
Consumption screen ........... 92, 94
Coolant ..................................... 410 Capacity ................................ 510
Checking ............................... 410
Preparing and checking before winter....................... 240
Cooling system ........................ 410
Engine overheating ............... 496 CRS ............................................. 56
Cruise control .......................... 200
Cup holders ............................. 366
Curtain shield airbags............... 39
Customizable features ............ 530
Daytime running light
system.................................... 191
Deck hooks .............................. 373
Defogger
Back window................. 338, 345
Outside rear view mirrors ........................ 338, 345
Windshield .................... 338, 345
Differential................................ 511
Dimensions .............................. 500
Dinghy towing.......................... 178
Display
Multi-information display ......... 93
Trip information................. 91, 94
Warning message................. 472
Do-it-yourself maintenance .... 403
Doors ........................................ 102 Automatic door locking
and unlocking system......... 106
Door glasses......................... 136
Door lock .............................. 105
Open door warning light ....... 466
Open door warning message............................. 473
Outside rear view mirrors ..... 132
Rear door child-protector ...... 106
Side doors ............................ 102
Driver’s seat position memory .................................. 118
Driving ...................................... 146
Break-in tips.......................... 147
Correct driving posture ........... 30
Driving assist system ............ 231
Procedures ........................... 146
Winter drive tips .................... 240
D