2005 LEXUS LS430 ing brake

MAINTENANCE
429
Accelerator pedal
Check
the pedal for smooth operation and uneven pedal ef fort
or catching.
Brake pedal
Check the pedal for smooth operation and the proper
clearance and free play. Check the brake booster function.
Brakes
In a safe place, check that the brakes do not pull to one side
when applied.
Parking brake
Check that the pedal has the proper travel and that, on a safe
incline, your vehicle is held securely with only the parking
brake applied.
Automatic transmission “Park” mechanism
On a safe incline, check that your vehicle is held securely with
the selector lever in “P” position and all brakes released.
Vehicle exterior
Items listed below should be performed from time to time,
unless otherwise specified.
Fluid leaks
Check underneath for leaking fuel, oil, water or other fluid after
the vehicle has been parked for a while. If you smell fuel fumes
or notice any leak, have the cause found and corrected
immediately.
Doors and engine hood
Check that all doors, including trunk lid, operate smoothly and
all latches lock securely. Make sure the engine hood
secondary latch secures the hood when the primary latch is
released.
Wheel nuts
When checking the tires, make sure to check the nuts for
looseness. Tighten them if necessary.
Tire inflation pressure
Check the pressure with a gauge every two weeks, or at
least once a month and adjust as shown on the tire
loading and information label. See page 468 for
additional information.
Tire surface
Check the tires carefully for cuts, damage or excessive
wear. See page 481 for additional information.

MAINTENANCE
430
Tire rotation
Rotate the tires according to the maintenance schedule.
(For scheduled maintenance information, please refer to
the “Owner’s Manual Supplement / Scheduled
Maintenance”.) See page 480 for additional information.DOES YOUR VEHICLE NEED
REPAIRING?
Be on the alert for changes in performance and sounds, and
visual tip −offs that indicate service is needed. Some important
clues are:
 Engine missing, stumbling, or pinging
 Appreciable loss of power
 Strange engine noises
 A fluid leak under the vehicle (However, water dripping from
the air conditioning after use is normal.)
 Change in exhaust sound (This may indicate a dangerous
carbon monoxide leak. Drive with the windows open and
have the exhaust system checked immediately.)
 Flat−looking tires, excessive tire squeal when cornering,
uneven tire wear
 Vehicle pulls to one side when driving straight on a level
road
 Strange noises related to suspension movement
 Loss of brake effectiveness, spongy feeling brake pedal,
pedal almost touches floors, vehicle pulls to one side when
braking
 Engine coolant temperature continually higher than normal
If you notice any of these clues, take your vehicle to your Lexus
dealer as soon as possible. It probably needs adjustment or
repair.

61L016i
INTRODUCTION
436
ENGINE COMPARTMENT OVERVIEW
1 Fuse box
2 Battery
3 Engine oil filler cap
4 Engine oil level
dipstick
5 Brake fluid reservoir
6 Washer fluid tank
7 Radiator
8 Condenser
9 Engine coolant
reservoir
10 Electric cooling fans
11 Power steering fluid
reservoir

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)

INTRODUCTION
441
POSITIONING THE JACK
61L047
Front
61L048
Rear
When jacking up your vehicle with the jack, position the
jack correctly as shown in the illustrations.
CAUTION
When jacking, be sure to observe the following to re-
duce the possibility of personal injury:
 Follow jacking instructions.
 Do not put any part of your body under the vehicle
supported by the jack. Otherwise, personal injury
may occur.
 Do not start or run the engine while your vehicle is
supported by the jack.
 Stop the vehicle on a level firm ground, firmly set the
parking brake and put the transmission in “P”. Block
the wheels on the opposite side of the jack up point
if necessary.
 Make sure to set the jack properly in the jack point.
Raising the vehicle with jack improperly positioned
will damage the vehicle or may allow the vehicle to fall
off the jack and cause personal injury.
 Never get under the vehicle when the vehicle is
supported by the jack alone; use vehicle support
stands.
 Do not raise the vehicle with someone in the vehicle
 When raising the vehicle, do not place any objects on
top of or underneath the jack.
 For vehicles equipped with the height control switch,
be sure to turn the ignition switch off before jacking.
If this is not done, the vehicle height adjustment func-
tion will operate, which may cause an accident.

SECTION 6 – 3
459
SERVICE PROCEDURES AND
SPECIFICATIONS
Chassis
Specifications460
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . .
Checking brake fluid 466
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
.
Checking power steering fluid 467
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking tire inflation pressure 468
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire information 471
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . .
Types of tires 479
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . .
Rotating tires 480
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . .
Checking and replacing tires 481
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing snow tires and chains 483
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing wheels 484
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . .
Aluminum wheel precautions 485
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspension and chassis 486
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CHASSIS
462– BRAKES
Pedal clearance
70 mm (2.8 in.) Min. *1
Pedal free play1 − 6 mm (0.04 − 0.24 in.)
Brake pad wear limit1.0 mm (0.04 in.)
Parking brake lining wear limit1.0 mm (0.04 in.)
Parking brake adjustment5 − 7 clicks *2
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3
*1Minimum pedal clearance when depressed with the pressure of 490 N (50 k\
gf, 110 lbf.) with the engine running
*
2Parking brake adjustment when depressed with the pressure of 294 N (30 \
kgf, 66.1 lbf.)
– STEERING
Free play
Less than 30 mm (1.2 in.)
Power steering fluidAutomatic transmission fluid DEXRON\bII or III

CHASSIS
466
CHECKING BRAKE FLUID
63L023a
To check the fluid level, simply look at the seethrough
reservoir. The level should be between the “MAX” and
“MIN” lines on the tank.
It is normal for the brake fluid level to go down slightly as the
brake pads wear. So be sure to keep the reservoir filled.
If the reservoir needs frequent refilling, it may indicate a
serious mechanical problem.
If the level is low, add FMVSS No.116 DOT 3 or SAE J1703
brake fluid to the brake reservoir.
Remove and replace the reservoir cap by hand. Add brake
fluid up to the “MAX” line.
Use only newly opened brake fluid. Once opened, brake fluid
absorbs moisture from the air, and excess moisture can cause
a dangerous loss of braking efficiency.
CAUTION
Take care when filling the reservoir because brake fluid
can harm your hands or eyes. If fluid gets on your hands
or in your eyes, flush the affected area with clean water
immediately. If you still feel uncomfortable with your
hands or eyes, go to the doctor.
NOTICE
If you spill some of the fluid, be sure to wipe it off to
prevent it from damaging the parts or paintwork.