adding oil TOYOTA TUNDRA 2021 Owners Manual (in English)

4126-3. Do-it-yourself maintenance
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. 422)• Warm water• Baking soda• Grease
• Conventional wrench (for terminal clamp bolts)
Brake fluid level
( P. 420)• 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. 418)
• “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
For the U.S.A.:
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
For Canada:
“Toyota Super Long Life Coolant” is pre-mixed with
55% coolant and 45% deionized water.
• Funnel (used only for adding coolant)
Engine oil level
(  P. 416)• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses
( P. 454)• Fuse with same amperage rating as original
Light bulbs
( P. 457)
• Bulb with same number and wattage rating as origi-
nal
• Phillips-head screwdriver
• Flathead screwdriver• Wrench
Power steering
fluid level

(
P. 421)
• Automatic transmission fluid DEXRON® II or III
• Rag or paper towel
• Funnel (used only for adding power steering fluid)
Radiator and
condenser
(
P. 420)

Tire inflation
pressure
(  P. 442)• Tire pressure gauge
• Compressed air source
Washer fluid
( P. 425)• Water or washer fluid containing antifreeze (for win-
ter use)
• Funnel (used only for adding water or washer fluid)

4176-3. Do-it-yourself maintenance
6
Maintenance and care
■Adding engine oil
Make sure to check the oil type and prepare the items needed
before adding oil.Remove the oil fille r cap by turning it counterclockwise.
Add engine oil slowly, checking the dipstick.
Install the oil filler cap by turning it clockwise.
■Engine oil consumption
A certain amount of engine oil will be consumed while driving. In the following
situations, oil consumption may increase, and engine oil may ne ed to be
refilled in between oil maintenance intervals.
● When the engine is new, for example directly after purchasing t he vehicle or
after replacing the engine
● If low quality oil or oil of an inappropriate viscosity is used
● When driving at high engine speeds or with a heavy load, when t owing, or
when driving while accelerating or decelerating frequently
● When leaving the engine idling for a long time, or when driving frequently
through heavy traffic
If the oil level is below or near
the low level mark, add engine
oil of the same type as that
already in the engine.
Engine oil selection P. 543
Oil quantity
(Low  Full) 1.6 qt. (1.5 L, 1.3 Imp.qt.)
Items
Clean funnel
1
2
3