Section 588 (Wheel & Tire System): Inspection

WARNING: This page is about a different car, the 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TIRE

Check the tires for wear and proper inflation pressure.

Cold tire inflation pressure:

COLD TIRE INFLATION PRESSURE SPECIFICATION

Tire size

Front, Rear kPa
(kgf/cm² , psi)

245/40 ZR 18

230 (2.3, 33) ⁽¹⁾
310 (3.1, 45) ⁽²⁾

⁽¹⁾	For driving under 180 km/h (112 mph)

⁽²⁾	For driving at 180 km/h (112 mph) or over

Check the tire runout.
Tire runout: 1.4 mm (0.055 in.) or less

Fig 1: Checking Tire Runout
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

ROTATE TIRE
HINT:

See Fig 2 for where to rotate each tire.

Fig 2: Rotating Tires
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT WHEEL BALANCE
1. Check and adjust off-the-car balance.
2. If necessary, check and adjust on-the-car balance.
  Unbalance after adjustment: 8.0 g (0.018 Lb) or less
  
  Fig 3: Inspecting Wheel Balance
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE:
- Remove dirt, oil and water from the surface where the balance weight is to be adhered with a cleaning detergent.
- Do not touch the sticking surface of the tape.
- Adhere the sticking type balance weight to the flat position shown in Fig 4 .
- Push the balance weight securely with a finger to adhere it to the position.
  (Pushing force: 10 kgf/more than 2 sees.)
- Do not reuse balance weight.
- Please use the LEXUS genuine sticking type balance weight.
Fig 4: Identifying Clearance
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT BEARING BACKLASH (See REPLACEMENT )
INSPECT AXLE HUB DEVIATION (See REPLACEMENT )
INSPECT BEARING BACKLASH (See REPLACEMENT )
INSPECT AXLE HUB DEVIATION (See REPLACEMENT )