Power Steering Gear: Inspection

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection
WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT STEERING RACK 
    1. Using a dial indicator, check the steering rack for runout and for teeth wear and damage.
      1. Maximum runout: 0.15 mm (0.0059 in.) 
    2. Check the back surface for wear and damage.
      Fig 1: Measuring Steering Rack Runout
      G00893471Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT BEARING 
    1. Check the bearing rotation condition and check for abnormal noise.

      If the bearing is worn or damaged, replace the control valve assembly.

    2. Coat the bearing with molybdenum disulfide lithium base grease.
    Fig 2: Inspecting Bearing
    G00893472Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.