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Transfer Reduction Driven Gear: Adjustment

  1. Measure the depth "A" from the ST upper face to the ball bearing catch surface.

    Preparation tool: 

    ST: GAUGE (398643600)

    G09482104Courtesy of SUBARU OF AMERICA, INC.
  2. Measure height "B" from the ST to the end of the ball bearing outer ring.

    Preparation tool: 

    ST: GAUGE (398643600)

    G09482105Courtesy of SUBARU OF AMERICA, INC.
  3. Obtain the thickness of transfer reduction driven gear shim using the following formula to select none to two transfer reduction driven gear shims.

    T mm = (A - 15) - (B + 15) - (0.05 - 0.25)

    [T in = (A - 0.591) - (B + 0.591) - (0.002 - 0.01)]

    T: Transfer reduction driven gear shim thickness

    A: Depth from the ST upper face to the ball bearing catch surface

    B: Height from the ST to the end of the ball bearing outer ring

    15 mm (0.591 in): Thickness of ST

    0.05 - 0.25 mm (0.002 - 0.01 in): Clearance