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Home >> Subaru >> 2018 >> BRZ tS >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Column ASSY >> Unit Inspection

Unit Inspection

  1. Inspection of the steering column ASSY
    1. Preload inspection
      1. As shown in the diagram, secure the steering column ASSY in a vise between cloth or aluminium plates.
        G12591307Courtesy of SUBARU OF AMERICA, INC.
        CAUTION:
        • Do not close the vise too strongly as it may cause deformation to the steering column ASSY.
        • Place a wooden block to prevent the steering column ASSY from falling.
      2. Use a SST and a torque wrench to measure the rotational torque when rotating it at a constant speed of approximately one turn every four seconds.

        SST 09616-00011

        Standard value: Preload

        T=1.77N.m {18kgf.cm} {1.3 ft.lbf} or less

        CAUTION: Make sure that there is no abnormal sticking during rotation.
        If it is not within specification, replace the steering column
        ASSY with a new part.
    2. Bushing inspection
      1. Confirm that the two steering column ASSY bushings are securely installed.

        If you find any bushing that is deformed, damaged, or detached, replace the steering column ASSY with a new part.

        G08555435Courtesy of SUBARU OF AMERICA, INC.
    3. Capsule inspection.
      1. Confirm that the two steering column ASSY capsules ar securely installed.
        G12591309Courtesy of SUBARU OF AMERICA, INC.

        Criteria: 5 mm {0.20 in} or more

        CAUTION:
        • If it does not meet the standard, replace the steering column ASSY with a new part.
        • If you find any capsule that is deformed, damaged, or detached, replace the steering column ASSY with a new part.
  2. Inspection of the steering intermediate shaft ASSY No. 2
    1. Looseness inspection
      1. Inspect the universal joint area for excessive looseness. Standard value: 0 mm {0 in}

        NOTE:

        If it is not within the specified value, replace the steering intermediate shaft ASSY No. 2 with a new part.

        G08555437Courtesy of SUBARU OF AMERICA, INC.
    2. Folding load inspection
      1. Arrange the steering intermediate shaft ASSY No. 2 so that the yoke on the rack and pinion power steering gear ASSY side is orientated up, and secure it in a vise between objects such as wooden blocks.
      2. Use a push-pull gauge to measure the folding load in both directions.
        G12591311Courtesy of SUBARU OF AMERICA, INC.

        Standard value: T = 6.6 N {0.67 kgf} {1.48 lbf} or less.

        NOTE: If it is not within the specified value, replace the steering intermediate shaft ASSY No. 2 with a new part.
      3. Arrange the steering intermediate shaft ASSY No. 2 so that the yoke on the steering column ASSY side is orientated up, and secure it in a vise between objects such as wooden blocks.
      4. Use a push-pull gauge to measure the folding load in both directions.
        G12591312Courtesy of SUBARU OF AMERICA, INC.

        Standard value: T = 6.0N {0.61 kgf} {1.35 lbf} or less.

        NOTE: If it is not within the specified value, replace the steering intermediate shaft ASSY No. 2 with a new part.
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