2021 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE

Transmission Case: Removal

  1. Remove the secondary pressure sensor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>SECONDARY PRESSURE SENSOR>REMOVAL .
  2. Remove the turbine speed sensor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>TURBINE SPEED SENSOR>REMOVAL .
  3. Remove the secondary speed sensor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>SECONDARY SPEED SENSOR>REMOVAL .
  4. Remove the primary speed sensor. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>PRIMARY SPEED SENSOR>REMOVAL .
  5. Remove the transmission harness. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>TRANSMISSION HARNESS>REMOVAL .
  6. Remove the control valve body. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>CONTROL VALVE BODY>REMOVAL .
  7. Remove the reduction driven gear. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>REDUCTION DRIVEN GEAR>REMOVAL .
  8. Remove the transmission control device. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580)>TRANSMISSION CONTROL DEVICE>REMOVAL .
  9. Remove the bolt securing the oil baffle.
    G13950673Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the bolt securing the transmission case.
    G13950674Courtesy of SUBARU OF AMERICA, INC.
  11. Using a plastic hammer, expand the clearance and remove the transmission case.
    G13950675Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the oil pressure pipe (A) and the oil baffle (B).
    NOTE: The oil pressure pipe (A) may remain on the transmission case side.
    G13950676Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the O-rings.
    G13950677Courtesy of SUBARU OF AMERICA, INC.
  14. Remove the bearing race.
    G13950678Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the reduction drive gear shim.
    G13950679Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the O-rings.
    G13950680Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the seal rings.
    G13950681Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the liquid gasket from the transmission case and converter case.
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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.