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Inspection [06/2015 - ]: Procedure

  1. INSPECT PRELOAD 
    1. Secure the steering column assembly in a vise using aluminum plates.
      GTY549483Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Steering Wheel Set Nut
      *2 Service Nut
      NOTE:

      Do not overtighten the vise, as the steering column assembly may become deformed.

    2. Install the service nut and set nut to the steering main shaft.

      Recommended Service Nut

      Thread Diameter 

      12.0 mm (0.472 in.)

      Thread Pitch 

      1.25 mm (0.0492 in.)

    3. Simultaneously rotate the service nut that was installed first counterclockwise and rotate the service nut that was installed second clockwise to lock them.
      NOTE:

      Do not apply excessive torque to the service nuts by using a tool such as an impact wrench.

      HINT: 

      The service nut are used for turning the steering main shaft during inspection of the steering main shaft rotating torque.

      Remove the service nuts after performing this inspection.

    4. Using a torque wrench, turn the steering main shaft at a constant rate of approximately 1 revolution every 4 seconds and measure the preload.

      Preload

      0.9 to 1.7 N*m (9 to 17 kgf*cm, 8 to 15 in.*lbf)

      If the preload is not as specified, replace the steering column assembly with a new one.

    5. Remove the service nut and set nut.
  2. INSPECT BUSHING 
    1. GTY579915Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Bushing

      Check that the 2 bushings are securely installed to the steering column assembly.

      If the bushings are deformed, missing or damaged, replace the steering column assembly with a new one.