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Reduction Drive Gear: Adjustment

  1. Remove the reduction drive gear shim.
  2. Install the transmission case, and secure it with four or five bolts.

    Tightening torque: 

    22 N.m (2.2 kgf.m, 16.2 ft.lb)

  3. Measure depth "A" from the ST upper face to the reduction drive gear end face.

    Preparation tool: 

    ST: GAUGE (499575400)

    G08317984Courtesy of SUBARU OF AMERICA, INC.
  4. Raise and hold the reduction drive gear.
    G08317985Courtesy of SUBARU OF AMERICA, INC.
  5. Measure depth "B" from the ST upper face to the reduction drive gear end face.

    Preparation tool: 

    ST: GAUGE (499575400)

    G08317986Courtesy of SUBARU OF AMERICA, INC.
  6. Obtain the thickness of reduction drive gear shim using the following formula to select one to three reduction drive gear shims.

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

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

    T: Reduction drive gear shim thickness

    A: Depth from the ST upper face to the reduction drive gear end surface

    B: Depth from the ST upper face to the reduction drive gear end surface

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