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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Intake System (Induction) And Turbocharger (2.5L) >> Intercooler >> Removal

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

  1. Remove the chamber assembly. <Ref. to REMOVAL , Chamber Assembly.>
  2. Unlock the leak diagnosis connector, and disconnect the PCV hoses (A) and (B) from the PCV pipe assembly.
    Fig 1: Locating Leak Diagnosis Connector Of PCV Hoses
    G11571869Courtesy of SUBARU OF AMERICA, INC.
  3. Disconnect the connector (A) from the PCV pipe assembly.
  4. Unlock the leak diagnosis connector, and disconnect the PCV hose (B) from the PCV pipe assembly.
    Fig 2: Locating PCV Pipe Assembly Connector
    G11571870Courtesy of SUBARU OF AMERICA, INC.
  5. Loosen the clamp (A) holding the intake duct to the turbocharger.
  6. Loosen the clamp (B) holding the air duct hose to the intercooler.
  7. Remove the bolts (C) securing the air by-pass valve to the intercooler, and disconnect the air bypass valve.
    Fig 3: Locating Air By-Pass Valve Bolts
    G11571871Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the bolts which secure the intercooler to the intercooler stay RH No. 1.
    Fig 4: Locating Bolts Of Intercooler
    G10265139Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the brake booster vacuum hose from the intercooler clip (A), and remove the bolts which secure the intercooler to the intercooler stay LH.
    Fig 5: Locating Intercooler Bolts
    G10265140Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the intercooler stay LH.
    Fig 6: Locating Intercooler Stay LH Bolts
    G10265141Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the intercooler.
  12. Remove the air duct hose from the throttle body.
    Fig 7: Locating Air Duct Hose Of Throttle Body
    G08539078Courtesy of SUBARU OF AMERICA, INC.
  13. Remove clip (A) holding the engine wiring harness to the intercooler stay RH No. 1, and remove the intercooler stay RH No. 1.
    Fig 8: Locating Engine Wiring Harness Clip
    G10265143Courtesy of SUBARU OF AMERICA, INC.