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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Intake System (Induction) And Turbocharger (STI) >> Turbocharger >> Removal

Engine Intake System (Induction) And Turbocharger (STI): 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. Ref. to COOLING(STI)>Engine Coolant>REPLACEMENT>DRAINING OF ENGINE COOLANT .
  3. Lower the vehicle.
  4. Remove the intercooler. Ref. to INTAKE (INDUCTION) (STI)>Intercooler>REMOVAL .
  5. Remove the intercooler stay RH No. 2.
    G04998819
  6. Remove the center exhaust pipe. Ref. to EXHAUST(STI)>Center Exhaust Pipe>REMOVAL .
  7. Lower the vehicle.
  8. Remove the joint pipe from the turbocharger.
    G06344980
  9. Disconnect the engine coolant hose from the upper side of the water pipe.
    G06344981
  10. Disconnect the air control hose (A), and loosen the clamp holding the intake duct to the turbocharger.
    G08539098
  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.
    G08539099
    G08539100
  12. Disconnect the engine coolant hose from the lower side of the water pipe.
    G08539101
  13. Disconnect the oil outlet hose from the oil outlet pipe, and remove the turbocharger.
    G05660698
  14. Remove the turbocharger stay.
    G12437645
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