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Control Valve Body: Removal

WARNING: This page is about a different car, the 2021 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • Directly after the vehicle has been running or the engine has been idling for a long time, the CVTF is hot. Be careful not to burn yourself.
  • Be careful not to spill CVTF on the exhaust pipe to prevent it from emitting smoke or causing a fire. If the CVTF adheres, wipe it off completely.
  • Always clean the engine compartment before removal.
NOTE: The control valve body is replaced as an assembly only, because it is a non-disassembly part.
  1. Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
  2. Remove the clip from the air intake boot, and loosen the clamp.
    G11252776Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the air intake boot, and place it aside so that it does not interfere with the work.
    NOTE: Be careful not to pull out the PCV hose.
    G11252777Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the transmission radio ground terminal.
    G11255509Courtesy of SUBARU OF AMERICA, INC.
  5. Disconnect the transmission harness connector.
    G11255510Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the air breather hose together with the bracket.
    G11255511Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the transmission radio ground cord.
    G11255657Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the pitching stopper.
    G11255512Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the pitching stopper bracket.
    G11255515Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the transmission case cover (small).
    G11255523Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the TCM. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>TRANSMISSION CONTROL MODULE (TCM)>REMOVAL .
  12. Remove the transmission harness clip and ground terminal.
    G11255661Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the throttle body, and move it aside so that it will not interfere with the removal of the control valve. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO (EXCEPT FOR HEV))>THROTTLE BODY>REMOVAL .
    NOTE: Do not remove the preheater hose.
  14. Clean the transmission exterior.
  15. Fix the ST with tape, and set the ST to the vehicle.
    NOTE: When replacing the control valve body, the sheet is included in the control valve body for repairs.

    Preparation tool:  ST: SHEET SPECIAL TOOL (18761AA010)

    G12393236Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the valve cover and gasket.
    G11255663Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the transmission harness from the valve cover.
    G11255664Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the O-ring from the transmission harness.
    G08317849Courtesy of SUBARU OF AMERICA, INC.
  19. Disconnect the harness connector from the control valve body.
  20. Remove the control valve body.
    G10218618Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the O-ring from the transmission.
    G10218619Courtesy of SUBARU OF AMERICA, INC.
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