2021 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE

Reduction Driven Gear: Assembly

  1. Install the snap ring.
    NOTE: Make the openings deviated by 180Β°.
    G13950651Courtesy of SUBARU OF AMERICA, INC.
  2. Using the ST and a press, press-fit a new ball bearing.
    NOTE: Apply CVTF to the press-fitting area.

    Preparation tool:Β 

    ST: EXTENSION DRIVE SHAFT (927130000)

    G13950652Courtesy of SUBARU OF AMERICA, INC.
  3. Set the oil spacer.
    NOTE: Make sure to install in the right direction.
    G13950653Courtesy of SUBARU OF AMERICA, INC.
  4. Using the ST and a press, press-fit the parking gear.
    NOTE: Apply CVTF to the press-fitting area.

    Preparation tool:Β 

    ST: EXTENSION DRIVE SHAFT (927130000)

    G13950654Courtesy of SUBARU OF AMERICA, INC.
  5. Using the ST and a press, press-fit the transfer drive gear.
    NOTE: Apply CVTF to the press-fitting area.

    Preparation tool:Β 

    ST: EXTENSION DRIVE SHAFT (927130000)

    G13950655Courtesy of SUBARU OF AMERICA, INC.
  6. Using a vise, secure the reduction driven gear, and temporarily install a new lock nut.
    CAUTION: Place aluminum plates or wooden pieces between the contacting surfaces of the vise and reduction driven gear to prevent reduction driven gear damage.
    G13950656Courtesy of SUBARU OF AMERICA, INC.
  7. Using ST1, ST2 and ST3, tighten the lock nut.

    Preparation tool:Β 

    ST1: PULLEY WRENCH (18355AA000)

    ST2: PULLEY WRENCH PIN SET (18334AA000)

    ST3: SOCKET WRENCH (35) (499987003)

    Tightening torque:Β 

    95 N.m (9.7 kgf-m, 70.1 ft-lb)

    G13950657Courtesy of SUBARU OF AMERICA, INC.
  8. Crimp the lock nut so that the dimension "A" shown in the figure becomes 18.9 mm (0.74 in) or less.
    CAUTION: Be careful not to crack the lock nut.
    G13950658Courtesy of SUBARU OF AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.