2021 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE

Reduction Driven Gear: Installation

  1. Install the thrust bearing as shown in the figure.
    NOTE: Make sure to install in the right direction.
    G13950635Courtesy of SUBARU OF AMERICA, INC.
  2. Install the roller bearing.
    G13950636Courtesy of SUBARU OF AMERICA, INC.
  3. Install the transfer drive gear and oil spacer as a unit.

    Tightening torque: 

    17 N.m (1.7 kgf-m, 12.5 ft-lb)

    G13950637Courtesy of SUBARU OF AMERICA, INC.
  4. Install a new O-ring.
    NOTE: Apply CVTF to the O-rings.
    G13950638Courtesy of SUBARU OF AMERICA, INC.
  5. Install the lubrication pipe.

    Tightening torque: 

    17 N.m (1.7 kgf-m, 12.5 ft-lb)

    G13950639Courtesy of SUBARU OF AMERICA, INC.
  6. Select the transfer drive gear shim.
    1. Using the ST, measure the height "H1" from the ST end face to the ball bearing catch surface (extension case side).

      Preparation tool: 

      ST: GAUGE (499575600)

      G13950640Courtesy of SUBARU OF AMERICA, INC.
    2. Using the ST, measure the height "H2" from the ST end face to the transmission case mating surface.

      Preparation tool: 

      ST: GAUGE (499575600)

      G13950641Courtesy of SUBARU OF AMERICA, INC.
    3. Using the following calculation, select an appropriate thickness "T" of the transfer drive gear shim.
      NOTE: Adjust using 1 - 3 pieces.

      T = H1 - H2 - 0.05 - 0.25 mm (0.002 - 0.010 in)

      T Transfer drive gear shim thickness (mm (in))
      H1 Measured value (mm (in)) of step (1)
      H2 Measured value (mm (in)) of step (2)
      0.05 - 0.25 mm (0.002 - 0.010 in) Clearance specification
  7. Install the parking pawl. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>PARKING PAWL>INSTALLATION .
  8. Install the transfer driven gear. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>TRANSFER DRIVEN GEAR>INSTALLATION .
Chapter Navigation
Return to Chapter: Reduction Driven Gear
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.