On-Vehicle Inspection

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT FRONT AXLE HUB BEARING BACKLASH
1. Using a dial gauge, check for backlash near the center of the axle hub.
  Maximum: 0.05 mm (0.0020 in.)
  
  If backlash exceeds the maximum, replace the bearing.
  
  NOTE: Ensure that the dial gauge is set at right angles to the measurement surface.
  
  Fig 1: Checking Backlash Near Center Of Axle Hub
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT FRONT AXLE HUB BEARING DEVIATION
1. Using a dial gauge, check for deviation in the surface of the axle hub outside the hub bolt.
  Maximum: 0.05 mm (0.0020 in.)
  
  If deviation exceeds the maximum, replace the axle hub.
  
  NOTE: Ensure that the dial gauge is set at right angles to the measurement surface.
  
  Fig 2: Inspecting Axle Hub Deviation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002