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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Intake System (Induction) And Turbocharger (WRX) >> Intake Duct >> Installation >> Intake Duct No. 2

Intake Duct No. 2

  1. Set the air by-pass valve to the intake duct No. 1, and install the intake duct No. 2 to the intake manifold.
    Fig 1: Locating Intake Manifold Bolt
    G10266553Courtesy of SUBARU OF AMERICA, INC.
  2. Install the bolt which secures the intake duct No. 2 to the turbocharger.
    NOTE:
    • Use new O-rings.
    • Be careful not to pinch the O-ring.
    • Check that the air by-pass valve is firmly inserted into the intake duct No. 1.

    Tightening torque: 

    16 N.m (1.6 kgf-m, 1.8 ft-lb) 

    Fig 2: Locating Intake Duct No. 2 Bolts
    G10266552Courtesy of SUBARU OF AMERICA, INC.
  3. Lift up the vehicle.
  4. Engage the clip which secures the air by-pass valve to the intake duct No. 1.
    Fig 3: Locating Air By-Pass Valve Clip
    G10266551Courtesy of SUBARU OF AMERICA, INC.
  5. Connect the vacuum hose (A) to the intake duct No. 1, and connect the vacuum hose (B) to the air by-pass valve.
    Fig 4: Identifying Intake Duct No. 1 And Air By-Pass Valve Vacuum Hose
    G10266550Courtesy of SUBARU OF AMERICA, INC.
  6. Install the undercover. < Ref. to INSTALLATION , Front Under Cover. >
  7. Lower the vehicle.
  8. Install the radiator sub fan and fan motor. < Ref. to INSTALLATION , Radiator Sub Fan and Fan Motor. >
  9. Install the intercooler. < Ref. to INSTALLATION , Intercooler. >
  10. Install the air intake duct. < Ref. to INSTALLATION , Air Intake Duct. >
  11. Connect the ground terminal to battery sensor. < Ref. to BATTERY , NOTE, Note. >
  12. Install the collector cover. < Ref. to INSTALLATION , Collector Cover. >
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