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Home >> Subaru >> 2010 >> Legacy Premium, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Exhaust System - Exhaust (H4DOTC - 2.5L DOHC Turbo)) >> Front Exhaust Pipe >> Removal

Front Exhaust Pipe: Removal

WARNING: This page is about a different variant/trim than selected.
CAUTION: Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.
  1. Remove the collector cover.
  2. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G06649521Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the air intake duct. Ref. to REMOVAL , Air Intake Duct.
  4. Lift up the vehicle.
  5. Remove the under cover. Ref. to REMOVAL , Front Under Cover.
  6. Drain engine coolant. Ref. to DRAINING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant.
  7. Lower the vehicle.
  8. Disconnect connectors from the front oxygen (A/F) sensor and rear oxygen sensor, and remove the clip (A) fastening the front oxygen (A/F) sensor harness and rear oxygen sensor harness.
    Fig 2: Identifying Front Oxygen (A/F) Sensor Harness And Rear Oxygen Sensor Harness
    G06649329Courtesy of SUBARU OF AMERICA, INC.
  9. Disconnect the engine coolant hose from the water tank pipe and water pump.
    Fig 3: Locating Engine Coolant Hose
    G06649523Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the radiator sub fan motor assembly. Ref. to REMOVAL , Radiator Sub Fan and Fan Motor.
  11. Remove the engine coolant hose from clip (A), and remove the bolts which secure the intake duct to the turbocharger.
    Fig 4: Locating Intake Duct Bolt
    G06649524Courtesy of SUBARU OF AMERICA, INC.
  12. Lift up the vehicle.
  13. Remove oil inlet pipe B (B) from oil inlet pipe A (A), and remove the bolt which holds oil inlet pipe C (C) and oil inlet pipe A (A).
    CAUTION: In order to prevent damaging the oil inlet pipe, fix the section (a) shown in the figure when loosing the oil inlet pipe flare nut, and avoid the part from rotating together while loosening the nut.
    Fig 5: Identifying Oil Inlet Pipe A
    G06648571Courtesy of SUBARU OF AMERICA, INC.
    Fig 6: Locating Oil Inlet Pipe B, Oil Inlet Pipe C And Oil Inlet Pipe A
    G06648572Courtesy of SUBARU OF AMERICA, INC.
  14. Disconnect the air control hose (A), and loosen the bolts which secure the intake duct to the turbo-charger.
    Fig 7: Locating Air Control Hose
    G06649136Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the center exhaust pipe (rear) from the center exhaust pipe (front).
    Fig 8: Locating Center Exhaust Pipe (Rear) Bolts
    G06649528Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the rear exhaust pipe from the center exhaust pipe (rear).
    Fig 9: Locating Rear Exhaust Pipe
    G06649529Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the bolt which holds center exhaust pipe (rear) to the hanger bracket, and remove the center exhaust pipe (rear).
    Fig 10: Locating Center Exhaust Pipe (Rear) Bolt
    G06649530Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the engine cover.
    Fig 11: Locating Engine Cover
    G06649531Courtesy of SUBARU OF AMERICA, INC.
  19. Remove bolts and nuts which secure the oil catch tank to the turbocharger and oil catch tank stay, and remove the oil catch tank from the turbocharger.
    Fig 12: Locating Engine Cover
    G06649531Courtesy of SUBARU OF AMERICA, INC.
  20. Remove the bolts which secure the turbocharger stay.
    Fig 13: Locating Bolts And Turbocharger Stay
    G06649533Courtesy of SUBARU OF AMERICA, INC.
  21. While holding the front exhaust pipe with transmission jack, remove the nuts which hold the front exhaust pipe to the cylinder head exhaust port, and remove the front exhaust pipe.
    Fig 14: Locating Front Exhaust Pipe Nuts
    G06649534Courtesy of SUBARU OF AMERICA, INC.