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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Intake System (Induction) And Turbocharger (Except For STI)) >> Intake Duct >> Removal >> Intake Duct No. 1

Intake Duct No. 1

WARNING: This page is about a different variant/trim than selected.

• Except for Canada 

  1. Disconnect the ground terminal from battery sensor. Refer to NOTE>NOTE>BATTERY .
  2. Remove the air intake duct. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>AIR INTAKE DUCT>REMOVAL .
  3. Lift up the vehicle.
  4. Remove the under cover. Refer to EXTERIOR/INTERIOR TRIM>FRONT UNDER COVER>REMOVAL .
  5. Disconnect the blow-by diagnosis connector (A) from the engine wiring harness, and disconnect the vacuum hose (B) from the vacuum pipe assembly.
    G11266608Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect the connector from the wastegate control solenoid valve.
    G09480073Courtesy of SUBARU OF AMERICA, INC.
  7. Unlock the blow-by diagnosis connector, and disconnect the PCV pipe assembly from the intake duct No. 1.
    G11266610Courtesy of SUBARU OF AMERICA, INC.
  8. Disconnect the vacuum control hose from the wastegate control solenoid valve.
    G11266611Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the air intake boot (A) from the intake duct No. 1, and disengage the clip (B) which secures the air by-pass valve to the intake duct No. 1.
    G11266612Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the intake duct No. 1 from the turbocharger.
    G09480076Courtesy of SUBARU OF AMERICA, INC.

• For Canada 

  1. Disconnect the ground terminal from battery sensor. Refer to NOTE>NOTE>BATTERY .
  2. Remove the air intake duct. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>AIR INTAKE DUCT>REMOVAL .
  3. Drain engine coolant. Refer to COOLING (EXCEPT FOR STI)>ENGINE COOLANT>REPLACEMENT>DRAINING OF ENGINE COOLANT .
  4. Disconnect the blow-by diagnosis connector (A) from the engine wiring harness, and disconnect the vacuum hose (B) from the vacuum pipe assembly.
    G11266608Courtesy of SUBARU OF AMERICA, INC.
  5. Disconnect the connector from the wastegate control solenoid valve.
    G12441006Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the engine coolant hose from the intake duct No. 1.
    G12441007Courtesy of SUBARU OF AMERICA, INC.
  7. Unlock the blow-by diagnosis connector, and disconnect the PCV pipe assembly from the intake duct No. 1.
    G12441008Courtesy of SUBARU OF AMERICA, INC.
  8. Disconnect the vacuum control hose (A) from the wastegate control solenoid valve, and remove the air intake boot (B) from the intake duct No. 1.
    G12441009Courtesy of SUBARU OF AMERICA, INC.
  9. Disengage the clip which secures the air by-pass valve to the intake duct No. 1.
    G12441010Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the intake duct No. 1 from the turbocharger.
    G12441011Courtesy of SUBARU OF AMERICA, INC.
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