2005 LEXUS LS430 engine coolant

INTRODUCTION
439
PARTS AND TOOLS
Here is a list of parts and tools you will need to perform
do−it−yourself maintenance. Remember all Lexus parts are
designed in metric sizes, so your tools must be metric.
Checking the engine oil level
Parts (if level is low):
“Toyota Genuine Motor Oil” or equivalent
Oil grade: API grade SL “Energy −Conserving” or ILSAC
multigrade engine oil. For recommended oil viscosity, see
page 454.
Tools:
 Rag or paper towel
 Funnel (only for adding oil)
Checking the engine coolant level
Parts (if level is low):
“Toyota Super Long Life Coolant” or similar high quality
ethylene glycol based non −silicate, non −amine, non −nitrite,
and non −borate coolant with long −life hybrid organic acid
technology. (Coolant with long −life hybrid organic acid
technology is a combination of low phosphates and organic
acids.)
“Toyota Super Long Life Coolant” is a mixture of 50%
coolant and 50% deionized water (for the U.S.A.) or 55%
coolant and 45% deionized water (for Canada).
 Distilled water
Tools:
 Funnel (only for adding coolant)
Checking brake fluid
Parts (if level is low):
FMVSS No. 116 DOT 3 or SAE J1703 brake fluid
Tools:
 Funnel (only for adding fluid)

SECTION 6 – 2
443
SERVICE PROCEDURES AND
SPECIFICATIONS316.
Engine
Specifications444
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . .
Fuel 447
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . .
Fuel pump shut off system 449
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Facts about engine oil consumption 450
. . . . . . . . . . . . . . . . . . . . . . . .
Used engine oil 451
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . .
Checking the engine oil level 452
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the engine coolant level 455
. . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the radiator and condenser 457
. . . . . . . . . . . . . . . . . . . . . . .
Spark plugs 457
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . .

ENGINE
446318.– COOLING SYSTEM
Capacity
9.5 L (10.0 qt., 8.4 lmp.qt.)
Coolant type“Toyota Super Long Life Coolant” or similar high quality ethylene glyco\
l
based non −silicate, non −amine, non −nitrite, and non −borate coolant
with long− life hybrid organic acid technology (Coolant with long −life
hybrid organic acid technology is a combination of low phosphates and
organic acids.)
Do not use plain water alone.
NOTE:
“Toyota Super Long Life Coolant” is used in your Lexus vehicle at factory fil\
l. In order to avoid technical problems, only use “Toyota
Super Long Life Coolant” or similar high quality ethylene glycol based non −silicate, non −amine, non −nitrite, and non −borate coolant
with long−life hybrid organic acid technology. (Coolant with long −life hybrid organic acid technology is a combination of low
phosphates and organic acids.) Do not use plain water alone. Please contact you\
r Lexus dealer for further details.
– IGNITION SYSTEM319.
Spark plug – Make DENSO NGK
– Gap
SK20R11
IFR6A11
1.1 mm (0.043 in.)
– ELECTRICAL SYSTEM320.
Battery – Open voltage at 20 C (68F):
– Charging rates
12.7 V Fully charged
12.3 V Half charged
11.9 V Discharged
[Voltage that is checked 20 minutes after the key is removed with all the
lights turned off]
5A max.

ENGINE
455
To ensure excellent lubrication performance for your engine,
“Toyota Genuine Motor Oil” is available, which has been
specifically tested and approved for all Lexus engines.
Please contact your Lexus deal
er for further details about
“Toyota Genuine Motor Oil”.
328.CHECKING THE ENGINE COOLANT LEVEL
62L041
 1Reservoir cap 2“FULL” (upper) line
3“LOW”(lower) line
Look at the seethrough coolant reservoir when the
engine is cold. The coolant level is satisfactory if it is
between the“FULL” and “LOW” lines on the reservoir. If
the level is low, add the coolant. (For the coolant type, see
“Coolant type selection” described below.)
The coolant level in the reservoir will vary with engine
temperature. However, if the level is on or below the “LOW”
line, add coolant. Bring the level up to the “FULL” line.

ENGINE
456If the coolant level drops within a short time after replenishing,
there
may be a leak in the system. V isually check the radiator,
hoses, engine coolant filler cap, radiator cap and drain cock
and water pump.
If you can find no leak, have your Lexus dealer test the cap
pressure and check for leaks in the cooling system.
CAUTION
To prevent burning yourself, do not remove the radiator
cap when the engine is hot.
Coolant type selection329.
Use of improper coolants may damage your engine cooling
system.
Only use “Toyota Super Long Life Coolant” or similar high
quality ethylene glycol based non −silicate, non −amine,
non− nitrite, and non −borate coolant with long −life hybrid
organic acid technology. (Coolant with long −life hybrid organic
acid technology is a combination of low phosphates and
organic acids.)
For the U.S.A.—“Toyota Super Long Life Coolant” is a mixture
of 50% coolant and 50% deionized water. This coolant
provides protection down to about −35C (− 31F).
For Canada—“Toyota Super Long Life Coolant” is a mixture of
55% coolant and 45% deionized water. This coolant provides
protection down to about −42C (− 44F).
NOTICE
Do not use plain water alone.
Lexus recommends “Toyota Super Long Life Coolant”, which
has been tested to ensure that it will not cause corrosion nor
result in malfunction of your engine coolant system with proper
usage. “Toyota Super Long Life Coolant” is formulated with
long−life hybrid organic acid technology and has been
specifically designed to avoid engine cooling system
malfunction on Lexus vehicles.
Please contact your Lexus dealer for further details.

CHASSIS
476
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation
pressuretire pressure when the vehicle has been parked for at least 3 hours or m\
ore, or it
has not been driven more than 1.5 km or 1 mile under that condition
Maximum inflation
pressurethe maximum cold inflation pressure to which a tire may be inflated and \
it is shown
on the sidewall of the tire
Recommended inflation
pressurecold tire inflation pressure recommended by a manufacturer
Accessory weight
the combined weight (in excess of those standard items which may be rep\
laced) of
automatic transmission, power steering, power brakes, power windows, pow\
er
seats, radio, and heater, to the extent that these items are available as
factory−installed equipment (whether installed or not)
Curb weight
the weight of a motor vehicle with standard equipment including the maxi\
mum
capacity of fuel, oil, and coolant, and, if so equipped, air conditionin\
g and
additional weight optional engine
Maximum loaded vehicle
weight
the sum of —
(a) curb weight;
(b) accessory weight;
(c) vehicle capacity weight; and
(d) production options weight

GAS STATION INFORMATION
Fuel selection:
Select premium unleaded gasoline with an Octane Rating
of 91 (Research Octane Number 96) or higher for optimum
engine performance. However, if such premium type
cannot be obtained, you may temporarily use unleaded
gasoline with an Octane Rating as low as 87 (Research
Octane Number 91).
 Fuel tank capacity:
84 L (22.2 gal., 18.5 lmp.gal.)
 Engine oil:
“Toyota Genuine Motor Oil” or equivalent
Oil grade: API grade SL “Energy −Conserving” or ILSAC
multigrade engine oil.
Recommended oil viscosity − SAE 5W−30 if normal
temperatures are below 38 C (100F)
Oil capacity: L (qt., lmp.qt.)
Drain and refill with filter 5.1 (5.4 , 4.8)
without filter 4.5 (4.8 , 4.0)
See page 452 for detailed information.
 Engine coolant:
Capacity: 9.5 L (10.0 qt, 8.4 lmp.qt.)
Coolant type − “Toyota Super Long Life Coolant” or similar
high quality ethylene glycol based non −silicate, non −amine,
non−nitrite, and non −borate coolant with long −life hybrid
organic acid technology (Coolant with long −life hybrid
organic acid technology is a combination of low phosphates
and organic acids.) Do not use plain water alone.
For checking the engine coolant, see page 455.
 Automatic transmission:
Fluid type − “Toyota Genuine ATF WS”
See page 461 for detailed information.
 Tire information:
See page 468 through 485 for detailed information.
 Tire inflation pressure:
cold tires
kPa (kgf/cm
2 or bar, psi)
Ti
re sizeFrontRear
P225/55R17 95H 220 (2.2, 32) 220 (2.2, 32)
245/45R18 96W 230 (2.3, 33) 230 (2.3, 33)
P245/45R18 96V 230 (2.3, 33) 230 (2.3, 33)
For sustained high speeds above 160 km/h (100 mph), in
countries where such speeds are permitted by law, add the
tire pressure given below to the front tires and rear tires, but
never exceed the maximum cold tire pressure molded on
the tire sidewall.
P225/55R17 95H 20kPa (0.2 kgf/cm
2 or bar, 3 psi)
245/45R18 96W 40kPa (0.4 kgf/cm2 or bar, 6 psi)
P245/45R18 96V 40kPa (0.4 kgf/cm2 or bar, 6 psi)