Tire And Wheel System: Inspection: Inspection

WARNING: This page is about a different car, the 2009 Lexus IS 350 and 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TIRES

Check the tires for wear and proper inflation pressure.

COLD TIRE INFLATION PRESSURE

Tire Size		Specified Value
Front	Rear	Front kPa (kgf/cm² , psi)	Rear kPa (kgf/cm² , psi)
205/55R16 89W		240 (2.4, 35)	260 (2.6, 38)
225/45R17 91V		240 (2.4, 35)	260 (2.6, 38)
225/45R17 90W	245/45R17 95W	240 (2.4, 35)	260 (2.6, 38)
225/45R17 91V	245/45R17 95V	240 (2.4, 35)	260 (2.6, 38)
225/40R18 88Y	255/40R 18 95Y	240 (2.4, 35)	260 (2.6, 38)
225/40R18 88W	255/40R 18 95W	240 (2.4, 35)	260 (2.6, 38)

Using a dial indicator, check the runout of tires.

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

Maximum tire runout

1.0 mm (0.039 in.)

ROTATE TIRES
1. Rotate the tires.
  
  Fig 2: Rotating Tires
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - When the same size tires are installed to the front and rear axles, rotate the tires as shown in illustration (A).
  - When different size conventional (non-directional) tires are installed to the front and rear axles, rotate the tires as shown in illustration (B).
  - When different size directional tires are installed to the front and rear axles, do not rotate the tires.
INSPECT WHEEL BALANCE
1. Check and adjust the off-the-car balance.
  
  Fig 3: Inspecting Wheel Balance
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Maximum imbalance after adjustment
  
  8.0 g (0.018 lb)
  NOTE:
  - Use a cleaning detergent to remove dirt, oil and water from the surface where the balance weight is to be adhered.
  - Do not touch the adhesive surface of the balance weight.
  - Adhere the sticking type balance weight to the flat surface (A) shown in the illustration.
    Width (A)
    
    25 mm (0.984 in.)
  - Push the balance weight securely with a finger to adhere it to the position.
  - Do not reuse a balance weight.
  - Use the LEXUS genuine sticking type balance weight.
  HINT:
  - For 17-inch and 18-inch wheels, both inner side and outer side balance weight are sticking type.
  - For 16-inch wheels, the inner side balance weight should be installed by clipping it to the rim.
  - If necessary, check and adjust the on-the-car balance.
INSPECT FRONT AXLE HUB BEARING LOOSENESS
1. Inspect the front axle hub bearing looseness. Refer to ON-VEHICLE INSPECTION .
INSPECT REAR AXLE HUB BEARING LOOSENESS
1. Inspect the rear axle hub bearing looseness. Refer to ON-VEHICLE INSPECTION .
INSPECT FRONT AXLE HUB RUNOUT
1. Inspect the front axle hub runout. Refer to ON-VEHICLE INSPECTION .
INSPECT REAR AXLE HUB RUNOUT
1. Inspect the rear axle hub runout. Refer to ON-VEHICLE INSPECTION .