Toyota Highlander (2018 year). Manual - part 127

520

7-3. Do-it-yourself maintenance

■

3.5 L V6 (2GR-FKS) engine

Washer fluid tank

(

→P. 530)

Fuse boxes

(

→P. 552)

Engine oil filler cap

(

→P. 522)

Engine oil level dipstick

(

→P. 521)

Engine coolant reservoir

(

→P. 524)

Battery

(

→P. 527)

Brake fluid reservoir

(

→P. 526)

Electric cooling fans

Condenser

(

→P. 525)

Radiator

(

→P. 525)

1

2
3

4

5

6
7

8
9

10

521

7-3. Do-it-yourself maintenance

7

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With the engine at operating temperature and turned off, check the oil
level on the dipstick.

■

Checking the engine oil

Park the vehicle on level ground. After warming up the engine
and turning it off, wait more than 5 minutes for the oil to drain
back into the bottom of the engine.

Holding a rag under the end, pull the dipstick out.

Wipe the dipstick clean.

Reinsert the dipstick fully.

Holding a rag under the end,
pull the dipstick out and
check the oil level.

Low

Normal

Excessive

Wipe the dipstick and reinsert it fully.

Engine oil

1

2



2.7 L 4-cylinder (1AR-FE)
engine



3.5 L V6 (2GR-FKS) engine

3
4
5

1
2
3

6

522

7-3. Do-it-yourself maintenance

■

Adding engine oil

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.

Make sure to check the oil type and prepare the items needed
before adding oil.

Remove the oil filler 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 need to be
refilled in between oil maintenance intervals.

●

When the engine is new, for example directly after purchasing the 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 towing, or
when driving while accelerating or decelerating frequently

●

When leaving the engine idling for a long time, or when driving frequently
through heavy traffic



2.7 L 4-cylinder (1AR-FE)
engine



3.5 L V6 (2GR-FKS) engine

Engine oil selection

→P. 654

Oil quantity 
(Low 

→ Full)



2.7 L 4-cylinder (1AR-FE) engine
1.6 qt. (1.5 L, 1.3 Imp. qt.)



3.5 L V6 (2GR-FKS) engine
1.9 qt. (1.8 L, 1.6 Imp. qt.)

Items

Clean funnel

1
2
3

523

7-3. Do-it-yourself maintenance

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If the oil is spilled on the engine cover (vehicles with 3.5 L V6 [2GR-FKS]
engine)
To prevent the engine cover from being damaged, remove any engine oil
from the engine cover as soon as possible using a neutral detergent. Do not
use an organic solvent such as brake cleaner.

WARNING

■

Used engine oil

●

Used engine oil contains potentially harmful contaminants which may
cause skin disorders such as inflammation and skin cancer, so care
should be taken to avoid prolonged and repeated contact. To remove used
engine oil from your skin, wash thoroughly with soap and water.

●

Dispose of used oil and filters only in a safe and acceptable manner. Do
not dispose of used oil and filters in household trash, in sewers or onto the
ground. 
Call your Toyota dealer, service station or auto parts store for information
concerning recycling or disposal.

●

Do not leave used engine oil within the reach of children.

NOTICE

■

To prevent serious engine damage
Check the oil level on a regular basis.

■

When replacing the engine oil

●

Be careful not to spill engine oil on the vehicle components.

●

Avoid overfilling, or the engine could be damaged.

●

Check the oil level on the dipstick every time you refill the vehicle.

●

Be sure the engine oil filler cap is properly tightened.