Lexus IS250 · Service Manual SUSPENSION & AXLE

INSPECTION

Inspection


INSPECT TIRE
  1. Check the tires for wear and proper inflation pressure.

    Tire Size
    Specified Value kPa (kgf*cm2,psi)
    More than 210 km/h (132 mph)
    From 160 km/h (100 mph) to 210 km/h 132 mph)
    160 km/h (100 mph) or less
    Front
    Rear
    Front
    Rear
    Front
    Rear
    205/55R16 89W
    310 (3.1, 45)
    330 (3.3, 48)
    290 (3.9, 42)
    310 (3.1, 45
    240 (2.4, 35)
    260 (2.6, 38)
    225/45R17 90W*1
    300 (3.0, 44)
    -
    280 (2.8, 41)
    -
    240 (2.4, 35)
    -
    245/45R17 95W*2
    -
    320 (3.2, 46)
    -
    300 (3.0, 44)
    -
    260 (2.6, 38)
    225/40R18 88Y*1
    320 (3.2, 46)
    -
    300 (3.0, 44)
    -
    240 (2.4, 35)
    -
    255/40R18 95Y*2
    -
    340 (3.4, 49)
    -
    320 (3.2, 46)
    -
    260 (2.6, 38)

    *1: Only for front tire
    *2: Only for rear tire

  1. R003031
    Using a dial indicator, check the runout of the tires.

    Tire runout:
    1.0 mm (0.039 in.) or less


ROTATE TIRE

C124718E01

HINT:
  1. Rotate the tires as shown in illustration.
  2. 2WD models with 17-inch tires or 18-inch tires cannot be rotated.


INSPECT WHEEL BALANCE

  1. C080976
    Check and adjust the off-the-car balance.

  1. C110354E02
    If necessary, check and adjust the on-the-car balance.

    Imbalance after adjustment:
    8.0 g (0.018 lb.) or less.

    HINT:
    In the case of 16-inch wheels, balance weight should be installed by tapping.

    NOTICE:
    1. Remove dirt, oil and water from the surface where the balance weight is to be adhered with a cleaning detergent.
    2. Do not touch the sticking surface of the tape.
    3. Adhere the sticking type balance weight to the flat position shown in the illustration.
    4. Push the balance weight securely with a finger to adhere it to the position.
    5. Do not reuse a balance weight.
    6. Use the LEXUS genuine tape weight.


INSPECT BEARING LOOSENESS
(Click here for the front axle, Click here for the rear axle)

INSPECT FRONT AXLE HUB RUNOUT
(Click here for the front axle)

INSPECT REAR AXLE HUB RUNOUT
(Click here for rear axle)
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