maintenance Lexus IS300 2005 Basic Functions / LEXUS 2005 IS300 (OM53489U) Owner's Guide

ENGINE
332The 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. 1.0L per 1000 km (1.1 qts./600 miles,
0.9 Imp. qts./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 ªChecking the
engine oil levelº on page 333.
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CHASSIS
342
SPECIFICATIONS
± MANUAL TRANSMISSIONOil capacity
2.6 L (2.7 qt., 2.3 lmp.qt.)
Oil typeMultipurpose gear oil API GL±4 or GL±5
Recommended oil viscositySAE 75W±90
± DIFFERENTIALOil capacity
1.15 L (1.22 qt., 1.01 lmp.qt.)
Oil typeHypoid gear oil API GL±5
Oil viscosityAbove ±18C (0F): SAE 90
Below ±18 C (0F): SAE 80W or SAE 80W±90
± AUTOMATIC TRANSMISSION
Fluid capacity Drain and refill
2.0 L (2.1 qt., 1.8 lmp.qt.)
Fluid typeToyota Genuine ATF Type T ± IV*
*:Change automatic transmission fluid only as necessary.
Generally, it is necessary to change automatic transmission
fluid only if your vehicle is driven under one of the Special
Operating Conditions listed in your ªOwner's Manual
Supplement/Scheduled Maintenanceº. When changing the
automatic transmission fluid, use only ªToyota Genuine ATF
Type T±IVº ( ATF JWS3309 or NWS6500) to aid in assuring
optimum transmission performance.NOTICE
Using automatic transmission fluid other than ªToyota Genuine ATF Type T±IVº may cause deterioration inshift quality, locking up of your transmissionaccompanied by vibration, and ultimately damage theautomatic transmission of your vehicle.
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CHASSIS
366
ROTATING TIRES (Sedan)
SV63007

Pattern A
SV63008

Pattern B
To equalize tire wear and help extend tire life, Lexus
recommends that you rotate your tires according to
the maintenance schedule. (For scheduled
maintenance information, please refer to the
ªOwner's Manual Supplement/Scheduled
Maintenanceº.) However, the most appropriate
timing for tire rotation may vary according to your
driving habits and road surface conditions.
The wheel assemblies must be rotated as illustrated
above.
Pattern A: Except vehicles with the P205/55 R16 tires
sold in Canada.
Pattern B: Vehicles with the P205/55R16 tires sold in
Canada.
When rotating tires, check for uneven wear and
damage. Abnormal wear is usually caused by incorrect
tire pressure, improper wheel alignment, out±of balance
wheels, or severe braking.
Before storing radial, snow or studded tires, mark the
direction of rotation and be sure to install them in the
same direction when using them again. Tires should be
stored in a cool dry place.
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CHASSIS
367
ROTATING TIRES (SportCross)
SV63007

With the P205/55R16 or 215/45ZR17 tires
To equalize tire wear and help extend tire life, Lexus
recommends that you rotate your tires according to
the maintenance schedule. (For scheduled
maintenance information, please refer to the
ªOwner's Manual Supplement/Scheduled
Maintenanceº.) However, the most appropriate
timing for tire rotation may vary according to your
driving habits and road surface conditions.
The wheel assemblies must be rotated as illustrated
above.
When rotating tires, check for uneven wear and
damage. Abnormal wear is usually caused by incorrect
tire pressure, improper wheel alignment, out±of balance
wheels, or severe braking. Before storing radial, snow or studded tires, mark the
direction of rotation and be sure to install them in the
same direction when using them again. Tires should be
stored in a cool dry place.
SV63009

With the 215/45ZR17 tires for front and the
225/45ZR17 tires for rear
Do not perform rotation of the tires, from front to rear
or from left to right, or using the spare tire,
performing such tire rotation may result in the tires
interfering with the body or in uneven wear of the
tires, so that steerability of the vehicle is impaired.
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ELECTRICAL COMPONENTS
381
Checking battery exterior
SV64002

1Terminals 2Hold±down clamp
Check the battery for corroded or loose connections,
cracks, or loose hold±down clamps.
1. If the battery is corroded, wash it off with a solution of warm
water and baking soda. Coat the terminals with grease to
prevent further corrosion.
2. If the connections are loose, tighten the clamp bolts ± but
do not overtighten.
3. Tighten the hold±down clamp only enough to keep the
battery firmly in place. Overtightening may damage the battery
case.
NOTICE
Make sure the engine and all accessories are turned off before performing maintenance.
When checking the battery, remove the ground cable
first and reinstall it last.
Be careful not to cause a short circuit with tools.
Take care no solution gets into the battery when washing it.
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1.
You should know as much about the quality and
importance of proper maintenance of your new
vehicle as the people who built it.
The Lexus authorized Repair Manual tells you
how to maintain your vehicle and enables you to
correctly perform your own maintenance.
The best way to keep your new vehicle in top running
order is to maintain it properly from the moment you
drive it off the showroom floor.
The Lexus authorized Repair Manual is packed with
literally everything you need to know to perform your
own maintenance in virtually every area of your new
vehicle.
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2.
Maintenance procedures for the engine, chassis,
body, electrical system, and more, are clearly
explained and illustrated.
Periodic maintenance and tune±up
Periodic maintenance and tune±up helps to prevent small
problems from growing into larger ones later on. The repair
manual outlines exactly what maintenance is required and
clearly explains how to do the work yourself step±by±step.
Areas covered include such things as spark plug replacement,
valve clearance adjustment and engine oil and filter
replacement.
Where to obtain theRepair Manual
The repair manual for IS300 may be purchased from any
Lexus dealer or the Material Distribution Center. To purchase
the repair manual, please contact your Lexus dealer or call the
Material Distribution Center toll±free at 1±800±622±2033.
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