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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System (2.5L) >> Center Exhaust Pipe >> Removal

Center Exhaust Pipe: Removal

CAUTION: Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.
  1. Disconnect the ground cable from battery.
  2. Remove the intercooler. <Ref. to REMOVAL , Intercooler.>
  3. Lift up the vehicle.
  4. Remove the transmission under cover.
  5. Remove the bolts which secure the lower side of the turbocharger lower cover.
    Fig 1: Locating Bolts Of Turbocharger Lower Cover
    G05661003Courtesy of SUBARU OF AMERICA, INC.
  6. Lower the vehicle.
  7. Remove the intercooler stay RH No. 2.
    Fig 2: Locating Intercooler Stay RH No. 2 Bolts
    G04998819Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the turbocharger upper cover.
    Fig 3: Removing Turbocharger Upper Cover
    G08539115Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the bolts which hold the upper side of the turbocharger lower cover.
    Fig 4: Locating Turbocharger Lower Cover (Upper Side) Bolts
    G08539440Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the upper side bolts and nuts that hold the center exhaust pipe on the turbocharger, and remove the turbocharger cover stay (A).
    Fig 5: Turbocharger Center Exhaust Pipe Bolts Location
    G06345300Courtesy of SUBARU OF AMERICA, INC.
  11. Lift up the vehicle.
  12. Remove the lower side nuts (two places) that hold the center exhaust pipe on the turbocharger.
    Fig 6: Locating Turbocharger Center Exhaust Pipe (Lower Side) Bolts
    G05955334Courtesy of SUBARU OF AMERICA, INC.
  13. Disconnect the connector from the rear oxygen sensor, and remove the clip (A) holding the rear oxygen sensor harness.
    Fig 7: Locating Rear Oxygen Sensor Connector
    G06344730Courtesy of SUBARU OF AMERICA, INC.
  14. Remove the rear exhaust pipe from center exhaust pipe.
    Fig 8: Locating Rear Exhaust Pipe Nuts
    G10265512Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the bolt which holds center exhaust pipe to transmission.
    Fig 9: Locating Center Exhaust Pipe Bolts
    G11573900Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the bolt which holds center exhaust pipe to hanger bracket, and remove the center exhaust pipe.
    CAUTION: Be careful not to drop the center exhaust pipe.
    Fig 10: Locating Connecting Bolts Of Hanger Bracket And Center Exhaust Pipe
    G10265514Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the turbocharger lower cover.
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