2021 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE

Oil Pump Chain: Installation

  1. Check the projection (A) of the knock pins.
    NOTE: When attached on the oil pump chain cover side, install them on the converter case side.
    G13950550Courtesy of SUBARU OF AMERICA, INC.

    Specification: 

    8.5 - 9.5 mm (0.33 - 0.37 in)

    G13950551Courtesy of SUBARU OF AMERICA, INC.
  2. Press-fit a new oil seal using ST and a press.
    NOTE: Apply CVTF to the press-fitting area.

    Preparation tool: 

    ST: HOUSING BUSHING INSTALLER AND REMOVER (927720000)

    G13950552Courtesy of SUBARU OF AMERICA, INC.
  3. Install the drive sprocket and snap ring.
    NOTE: Align the snap ring opening with the position (a) shown in the figure.
    G13950553Courtesy of SUBARU OF AMERICA, INC.
    G13950554Courtesy of SUBARU OF AMERICA, INC.
  4. Place the oil pump chain (B) on the drive sprocket (A).
    G13950555Courtesy of SUBARU OF AMERICA, INC.
  5. Place the oil pump chain (B) on the driven sprocket (A), and install the driven sprocket (A) to the oil pump chain cover (C).
    G13950556Courtesy of SUBARU OF AMERICA, INC.
  6. Install a new seal ring.
    NOTE:
    • Apply CVTF to the seal rings.
    • Do not stretch the seal ring more than necessary.
    G13950557Courtesy of SUBARU OF AMERICA, INC.
  7. Apply liquid gasket to the mating surface of the converter case as shown in the figure, and temporarily install the oil pump chain cover.
    NOTE:
    • Before applying liquid gasket, degrease the old liquid gasket seal surface of the oil pump chain cover and converter case.
    • Install within 5 min. after applying liquid gasket.

    Liquid gasket: 

    THREE BOND 1216J or equivalent

    G13950558Courtesy of SUBARU OF AMERICA, INC.
    G13950559Courtesy of SUBARU OF AMERICA, INC.
  8. Tighten the oil pump chain cover mounting bolts.

    Tightening torque: 

    21 N.m (2.1 kgf-m, 15.5 ft-lb)

  9. Install the torque converter. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>TORQUE CONVERTER>INSTALLATION .
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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.