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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System (STI) >> 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 INTAKE (INDUCTION) (STI)>Intercooler>REMOVAL .
  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.
    G05661003
  6. Lower the vehicle.
  7. Remove the intercooler stay RH No. 2.
    G04998819
  8. Remove the turbocharger upper cover.
    G08539115
  9. Remove the bolts which hold the upper side of the turbocharger lower cover.
    G08539440
  10. Remove the upper side bolts and nuts that hold the center exhaust pipe on the turbocharger, and remove the turbocharger cover stay (A).
    G06345300
  11. Lift up the vehicle.
  12. Remove the lower side nuts (two places) that hold the center exhaust pipe on the turbocharger.
    G05955334
  13. Disconnect the connector from the rear oxygen sensor, and remove the clip (A) holding the rear oxygen sensor harness.
    G06344730
  14. Remove the rear exhaust pipe from center exhaust pipe.
    G10265512
  15. Remove the bolt which holds center exhaust pipe to transmission.
    G05661009
  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.
    G10265514
  17. Remove the turbocharger lower cover.
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