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Home >> Subaru >> 2021 >> WRX STI >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Intake System (Induction) And Turbocharger (2.5L) >> Turbocharger >> Removal

Engine Intake System (Induction) And Turbocharger (2.5L): Turbocharger: Removal

  1. Disconnect the ground cable from battery.
  2. Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of coolant. Refer to COOLING(STI)>ENGINE COOLANT>REPLACEMENT>DRAINING OF ENGINE COOLANT .
  3. Lower the vehicle.
  4. Remove the intercooler. Refer to INTAKE (INDUCTION) (STI)>INTERCOOLER>REMOVAL .
  5. Remove the intercooler stay RH No. 2.
    G04998819Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the center exhaust pipe. Refer to EXHAUST(STI)>CENTER EXHAUST PIPE>REMOVAL .
  7. Lower the vehicle.
  8. Remove the joint pipe from the turbocharger.
    G06344980Courtesy of SUBARU OF AMERICA, INC.
  9. Disconnect the engine coolant hose from the upper side of the water pipe.
    G06344981Courtesy of SUBARU OF AMERICA, INC.
  10. Disconnect the air control hose (A), and loosen the clamp holding the intake duct to the turbocharger.
    G08539098Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the oil inlet pipe from the turbocharger.
    CAUTION: In order to prevent damaging the oil pipe on the cylinder head side, 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.
    G08539099Courtesy of SUBARU OF AMERICA, INC.
    G08539100Courtesy of SUBARU OF AMERICA, INC.
  12. Disconnect the engine coolant hose from the lower side of the water pipe.
    G08539101Courtesy of SUBARU OF AMERICA, INC.
  13. Disconnect the oil outlet hose from the oil outlet pipe, and remove the turbocharger.
    G05660698Courtesy of SUBARU OF AMERICA, INC.
  14. Remove the turbocharger stay.
    G13640420Courtesy of SUBARU OF AMERICA, INC.
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