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Home >> Subaru >> 2017 >> Impreza Base, 4D Sedan, Automatic CVT Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> CVT Transaxle >> Control Valve Body >> Removal

Control Valve Body: Removal

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 cable from battery. Ref. to REPAIR CONTENTS>NOTE>SAFETY .
  2. Remove the clip from the air intake boot, and loosen the clamp.
    Fig 1: Locating Clip From Air Intake Boot
    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.
    Fig 2: Removing Air Intake Boot
    G11252777Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the transmission radio ground terminal.
    Fig 3: Locating Transmission Radio Ground Terminal Bolt
    G11255509Courtesy of SUBARU OF AMERICA, INC.
  5. Disconnect the transmission harness connector.
    Fig 4: Removing Transmission Harness Connector
    G11255510Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the air breather hose together with the bracket.
    Fig 5: Locating Air Breather Hose With Bracket
    G11255511Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the transmission radio ground cord.
    Fig 6: Locating Transmission Radio Ground Cord Bolt
    G11255657Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the pitching stopper.
    Fig 7: Locating Pitching Stopper Bolts
    G11255512Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the pitching stopper bracket.
    Fig 8: Locating Pitching Stopper Bracket Bolt
    G11255515Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the transmission case cover (small).
    Fig 9: Locating Transmission Case Cover Bolts
    G11255523Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the TCM. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>Transmission Control Module (TCM)>REMOVAL .
  12. Remove the transmission harness clip and ground terminal.
    Fig 10: Locating 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)>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)

    Fig 11: Setting ST To Vehicle
    G11255662Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the valve cover and gasket.
    Fig 12: Removing Valve Cover And Gasket
    G11255663Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the transmission harness from the valve cover.
    Fig 13: Locating Transmission Harness From Valve Cover Bolt
    G11255664Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the O-ring from the transmission harness.
    Fig 14: Locating O-Ring From Transmission Harness
    G08317849Courtesy of SUBARU OF AMERICA, INC.
  19. Disconnect the harness connector from the control valve body.
  20. Remove the control valve body.
    Fig 15: Locating Control Valve Body Bolts
    G10218618Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the O-ring from the transmission.
Fig 16: Removing O-Ring From Transmission
G10218619Courtesy of SUBARU OF AMERICA, INC.
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