2018 Lexus GX460 power steering fluid

164
GX460_OM_OM60Q09U_(U)4-1. Before driving
NOTICE
■When driving the vehicle
●Do not depress the accelerator and brake pedals at the same time during driving, as
this may restrain
the engine output.
●Do not use the accelerator pedal or depre ss the accelerator and brake pedals at the
same time to hold the vehicle on a hill.
■When parking the vehicle
Always set the parking brake, and shift the sh ift lever to P. Failure to do so may cause
the vehicle to move or the vehicle may acce lerate suddenly if the accelerator pedal is
accidentally depressed.
■Avoiding damage to vehicle parts
●Do not turn the steering wheel fully in either direction and hold it there for an
extended period of time.
Doing so may damage the power steering pump.
●When driving over bumps in the road, drive as slowly as possible to avoid damaging
the wheels, underside of the vehicle, etc.
■If you get a flat tire while driving
A flat or damaged tire may cause the following situations . Hold the steering wheel
firmly and gradually depress the brake pedal to slow down the vehicle.
●It may be difficult to control your vehicle.
●The vehicle will make abnormal sounds or vibrations.
●The vehicle will lean abnormally.
Information on what to do in case of a flat tire. ( →P. 542)
■When encountering flooded roads
Do not drive on a road that has flooded af ter heavy rain etc. Doing so may cause the
following serious damage to the vehicle:
●Engine stalling
●Short in electrical components
●Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be sure to have
your Lexus dealer check the following:
●Brake function
●Changes in quantity and quality of oil and fluid used for the engine, transmission,
transfer, differentials, etc.
●Lubricant condition for the propeller shaft, bearings and suspension joints (where
possible), and the function of all joints, bearings, etc.

455
GX460_OM_OM60Q09U_(U)6-2. Maintenance
6
Maintenance and care
General maintenance
Listed below are the general maintenanc
e items that should be performed at
the intervals specified in the “Warranty and Service Guide” or “Owner’s
Manual Supplement”. It is recommende d that any problem you notice should
be brought to the attention of your Lexu s dealer or qualified service shop for
advice.
Engine compartment
ItemsCheck points
BatteryCheck the connections. (→ P. 472)
Brake fluidIs the brake fluid at the correct level? ( →P. 469)
Engine coolantIs the engine coolant at the correct level? ( →P. 467)
Engine oilIs the engine oil at the correct level? ( →P. 465)
Exhaust systemThere should not be any fumes or strange sounds.
Power steering fluidIs the power steering fluid at the correct level?
(→ P. 471)
Radiator/condenserThe radiator and condenser should be free from
foreign objects. ( →P. 469)
Washer fluidIs there sufficient washer fluid? ( →P. 475)

460
GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
Headlight aim
(
→ P. 496)• Phillips-head screwdriver
Light bulbs
(→ P. 498)
• Bulb with same number and wattage rating as original
• Phillips-head screwdriver•Flathead sc rewdriver
•Wrench
Power steering fluid
level (→P. 471)• Automatic transmission fluid DEXRON® II or III
• Rag or paper towel•Clean funnel
Radiator and con-
denser (→ P. 469)⎯
Tire inflation pres-
sure (→P. 483)• Tire pressure gauge• Compressed air source
Washer fluid
(→ P. 475)• Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)
ItemsParts and tools

463
GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Engine compartment
Power steering fluid reservoir
(→P. 471)
Engine oil level dipstick (→P. 465)
Engine oil filler cap ( →P. 466)
Brake fluid reservoir ( →P. 469)
Fuse box (→ P. 493)Battery
(→ P. 472)
Radiator (→ P. 469)
Condenser ( →P. 469)
Cooling fans
Engine coolant reservoir (→P. 467)
Washer fluid tank ( →P. 475)1
2
3
4
5
6
7
8
9
10
11

GX460_OM_OM60Q09U_(U)
4716-3. Do-it-yourself maintenance
6
Maintenance and care
■Fluid level
The fluid level should be within the appropriate range.Full (when cold)
Add fluid (when cold)
Full (when hot)
Add fluid (when hot)
Hot: The vehicles has been driven around 50 mph (80 km/h) for 20 min- utes, or slightly longer in frigid temperatures.
(Fluid temperature, 140 °F - 175 °F [60° C - 80 °C]).
Cold: The engine has not been run for about 5 hours. (Room temperature, 50 °F - 85 °F [10 °C - 30 °C]).
■Checking the fluid level
Make sure to check the fluid type and prepare the necessary items.
Clean all dirt off the reservoir.
Remove the cap by turnin g it counterclockwise.
Wipe the dipstick clean.
Reinstall the cap and remove it again.
Check the fluid level.
Power steering fluid
1
2
3
4
Fluid typeAutomatic transmission fluid DEXRON® II or III
ItemsRag or paper, clean funnel (only for adding fluid)
1
2
3
4
5

578
GX460_OM_OM60Q09U_(U)8-1. Specifications
Steering
Free playLess than 1.18 in. (30 mm)
Power steering fluid typeAutomatic transmission fluid DEXRON® II or III
Tires and wheels
Tire sizeP265/60R18 109H
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front tire
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Rear tire
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Spare tire
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Wheel size18
× 7 1/2J
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)