check oil Lexus GS300 2006 Engine

SECTION 6 – 2
511
SERVICE PROCEDURES AND
SPECIFICATIONS
Engine
Specifications (GS430) 512. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications (GS300) 515. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel518 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel pump shut off system520 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Facts about engine oil consumption520 . . . . . . . . . . . . . . . . . . . . . . . .
Used engine oil522 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the engine oil level522 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the engine coolant level527 . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the radiator and condenser529 . . . . . . . . . . . . . . . . . . . . . . .
Spark plugs529 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ENGINE
521 The amount of engine oil consumed depends on the
viscosity of the oil, the quality of the oil and the way the
vehicle is driven.
More oil is consumed under driving conditions such as high
speeds and frequent acceleration and deceleration.
A new engine consumes more oil, since its pistons, piston rings
and cylinder walls have not become conditioned.
Oil consumption: Max. 1.0 L per 1000 km (1.1 qt./600 miles,
0.9 lmp·qt./600 miles).
When judging the amount of oil consumption, keep in
mind that the oil may have become diluted, making it
difficult to judge the true level accurately.
For example, if a vehicle is used for repeated short trips and
consumes a normal amount of oil, the dipstick may not show
any drop in the oil level at all, even after 1000 km (600 miles)
or more. This is because the oil is gradually becoming diluted
with fuel or moisture, making it appear that the oil level has not
changed.
The diluting ingredients evaporate out when the vehicle is then
driven at high speeds, as on an expressway, making it appear
that oil is excessively consumed after driving at high speeds.
Importance of engine oil level check
One of the most important points in proper vehicle
maintenance is to keep the engine oil at the optimum level so
that oil function will not be impaired. Therefore, it is essential
that the oil level be checked regularly. Lexus recommends that
the oil level be checked every time you refuel the vehicle.
NOTICE
Failure to check the oil level regularly could lead to
serious engine trouble due to insufficient oil.
For detailed information on oil level check, see ”Checking the
engine oil level” on page 522.

ENGINE
522
USED ENGINE OIL
CAUTION
Used engine oil contains potentially harmful
contaminants which may cause skin disorders such
as inflammation or skin cancer, so care should be
taken to avoid prolonged and repeated contact with
it. To remove used engine oil from your skin, wash
thoroughly with soap and water.
Do not leave used oil within the reach of children.
Dispose of used oil and used oil filters only in a safe
and acceptable manner. Do not dispose of used oil
and used oil filters in household trash, in sewers or
onto the ground. Call your Lexus dealer or a service
station for information concerning recycling or
disposal.
CHECKING THE ENGINE OIL LEVEL
G62001
GS430
G62002
GS300
With the engine at operating temperature and turned off,
check the oil level on the dipstick.

ENGINE
524
G62006
GS300 (four−wheel drive models)
1
Add oil 2
O.K. 3
Too full
4. Pull the dipstick out and look at the oil level while holding a
rag under the end. If it is between the full level mark (
5
) and
the low level mark ( 4
), it is O.K.
NOTICE
Be careful not to drop engine oil on the vehicle
components.
G62003
GS430GS300
If the oil level is below or only slightly above the low level
mark, add engine oil of the same type as already in the
engine.
Remove the oil filler cap and add engine oil a little at a time,
checking the dipstick. We recommend that you use a funnel
when adding oil. The approximate quantity of oil needed to
raise the level between low and full on the dipstick is indicated
as follows:
1.5 L (1.6 qt., 1.3 lmp. qt.)
For the engine oil capacity, see “Specifications” on pages 512
and 515.
When the level reaches within the correct range, return the
filler cap and turn the cap clockwise until you hear a click.

ENGINE
525
NOTICE
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 once again after
adding the oil.
Engine oil selection
“Toyota Genuine Motor Oil” is used in your Lexus vehicle. Use
Lexus approved “Toyota Genuine Motor Oil” or equivalent to
satisfy the following grade and viscosity.
Oil grade: API grade SL “Energy−Conserving” or ILSAC
multigrade engine oil.
Recommended viscosity: 5W−30
62L042
Outside temperature
SAE 5W−30 is the best choice for good fuel economy, and
good starting in cold weather.
If SAE 5W−30 is not available, SAE10W−30 may be used.
However, it should be replaced with 5W−30 at the next oil
change.