differential Lexus GS430 2006 Scheduled Maintenance Guide / LEXUS 2006 GS430/GS300 FROM JAN. 2006 PROD. OWNER'S MANUAL (OM30786U)

CHASSIS
540
SPECIFICATIONS (GS430)
– DIFFERENTIALOil capacity
1.35 L (1.42 qt., 1.19 lmp.qt.)
Oil type and viscosityToyota Genuine Differential Synthetic gear oil
API GL− 5 SAE 75W− 90 or its equivalent
NOTE:
The following label is affixed on the right side of the
differential carrier. Use the type and viscosity shown on
the label when the differential oil is replaced.
Synthetic oil information labelNOTICE
Use of differential oil other than “Toyota Genuine
Differential Synthetic gear oil API GL5 SAE 75W90” or its
equivalent may damage the dif ferential gear of your vehicle
and diminish fuel efficiency. For the reasons mentioned
above, Lexus recommends use of “Toyota Genuine
Differential Synthetic gear oil API GL5 SAE 75W90”.
Another differential oil of matching quality can also be
used, (but note that despite the similarity in nomenclature
between “Toyota Genuine Differential Synthetic gear oil
API GL5 SAE 75W90” and oils that meet SAE 75W90
specifications, compliance with the SAE specification
does not guarantee that an oil has all characteristic
required to avoid the problem described above.) If you are
unable to locate an equivalent to “Toyota Genuine
Differential Synthetic gear oil API GL5 SAE 75W90”,
contact your Lexus dealer for further details or another
duly qualified and equipped professional.

CHASSIS
544
SPECIFICATIONS (GS300)
– DIFFERENTIALOil capacity Tw o −wheel drive models
Four− wheel drive models
Front
Rear
1.15 L (1.21 qt., 1.01 lmp.qt.)
0.70 L (0.73 qt., 0.61 lmp.qt.)
1.05 L (1.10 qt., 0.92 lmp.qt.)
Oil type and viscosityHypoid gear oil API GL −5
Above –18 C (0F): SAE 90
Below –18C (0F): SAE 80 or SAE 80W− 90
– AUTOMATIC TRANSMISSION
Fluid capacity Drain and refillTw o −wheel drive models
Four− wheel drive models
1.5 L (1.6 qt., 1.3 lmp.qt.)
2.7 L (2.8 qt., 2.3 lmp.qt.)
Fluid typeToyota Genuine ATF Type WS*
*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 “Owner’s Manual
Supplement / Scheduled Maintenance”. When changing the
automatic transmission fluid, use only “Toyota Genuine ATF
Type WS” ( ATF JWS3324 or NWS9638) to aid in assuring
optimum transmission performance.NOTICE
Using automatic transmission fluid other than “Toyota
Genuine ATF T ype WS” may cause deterioration in shift
quality, locking up of your transmission accompanied
by vibration, and ultimately damage the automatic
transmission of your vehicle.