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Center Exhaust Pipe: Removal

  1. Remove the collector cover.
    1. Remove the clip (A).
    2. Hold the shaded area (B) by hand and carefully pull the RH side (C) upward.
    3. Hold the shaded area (D) by hand and carefully pull the LH side (E) upward.
    Fig 1: Removing Collector Cover
    G10403792Courtesy of SUBARU OF AMERICA, INC.
  2. Disconnect the ground cable from battery. Ref. to NOTE>NOTE>BATTERY .
  3. Lift up the vehicle.
  4. Remove the under cover. Ref. to EXTERIOR/INTERIOR TRIM>Front Under Cover>REMOVAL .
  5. Disconnect the connector on the front oxygen (A/F) sensor from the engine harness, and remove the clip (A) which secures the front oxygen (A/F) sensor harness to the water pump pulley cover.
    Fig 2: Locating Front Oxygen (A/F) Sensor From Engine Harness Connector
    G09480660Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect the connector on the rear oxygen sensor from the engine harness, and disconnect the ground cable from the exhaust pipe cover.
    Fig 3: Locating Connector On Rear Oxygen Sensor To Engine Harness
    G09480661Courtesy of SUBARU OF AMERICA, INC.
  7. Lower the vehicle.
  8. Remove the bolts which secure the water pump pulley cover (A) and exhaust pipe stay (B) to the turbocharger stay, and remove the water pump pulley cover (A) and exhaust pipe stay (B) from the water pump and turbocharger stay.
    Fig 4: Locating Water Pump Pulley Cover Bolts
    G09480704Courtesy of SUBARU OF AMERICA, INC.
  9. Lift up the vehicle.
  10. Remove the nuts which secure the center exhaust pipe (rear) to the center exhaust pipe (front).
    Fig 5: Locating Center Exhaust Pipe (Rear) Nuts
    G09480664Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the bolts, springs, and nuts which secure the rear exhaust pipe to the center exhaust pipe (rear).
    Fig 6: Locating Rear Exhaust Pipe Bolt
    G09480665Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the bolt which holds center exhaust pipe (rear) to the hanger bracket, and remove the center exhaust pipe (rear).
    NOTE: Removing the exhaust pipe bracket from the center exhaust pipe (rear) will adversely affect the positioning accuracy. Therefore, do not remove the bolts in section (a) shown in the figure.
    Fig 7: Locating Hanger Bracket Bolt
    G10267119Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the exhaust pipe cover (A) from the center exhaust pipe (front), and remove the bolts which secure the turbocharger stay.
    Fig 8: Locating Exhaust Pipe Cover Bolts
    G09480708Courtesy of SUBARU OF AMERICA, INC.
  14. Using ST, remove the nut (1 place) which secures the center exhaust pipe (front) to the turbocharger.

    ST 18283AA010 WRENCH ADAPTER 

    Fig 9: Removing Center Exhaust Pipe (Front) Nut Using ST
    G09480709Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the nuts (3 places) which secure the center exhaust pipe (front) to the turbocharger.
    Fig 10: Locating Center Exhaust Pipe (Front) To Turbocharger Nuts
    G09480710Courtesy of SUBARU OF AMERICA, INC.
  16. Using the TORX® socket E10, remove stud bolts (3 places) from the turbocharger, and remove the center exhaust pipe (front) together with turbocharger stay (A).
Fig 11: Locating Turbocharger Stud Bolts (3 Places)
G09480711Courtesy of SUBARU OF AMERICA, INC.
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