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Home >> Subaru >> 2019 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Intake System / Exhaust System >> Intake Manifold ASSY (FA20) >> Disassembly

Intake Manifold ASSY (FA20): Disassembly

  1. REMOVE MANIFOLD ABSOLUTE PRESSURE SENSOR
    1. Remove the bolt and manifold absolute pressure sensor from the intake manifold.
      G12587009Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the O-ring from the manifold absolute pressure sensor.
      G12587010Courtesy of SUBARU OF AMERICA, INC.
  2. REMOVE PURGE CONTROL SOLENOID VALVE
    1. Disconnect the No. 1 fuel vapor feed hose from the intake manifold.
      G12587011Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the nut and purge control solenoid valve.
    G12587012Courtesy of SUBARU OF AMERICA, INC.
  3. REMOVE CAP (for Automatic Transmission)
    1. Remove the cap from the intake manifold.
    G08556510Courtesy of SUBARU OF AMERICA, INC.
  4. REMOVE FUEL DELIVERY PIPE (for Bank 2)
    1. Disconnect the No. 3 fuel delivery pipe sub-assembly from the fuel delivery pipe (for bank 2).
      CAUTION:
      • If the connector and pipe are stuck, pinch the fuel delivery pipe No. 3 by hand and push and pull the connector to disconnect it.
      • Do not allow any scratches or foreign matter on the parts when disconnecting them, as the No. 3 fuel delivery pipe joint contains the O-rings that seal the plug.
      • Do not use any tools to separate the pipe and connector.
      • Do not forcibly bend, twist or turn the nylon tube.
      • If the pipe and connector are stuck together, pinch the tube between your fingers and turn it carefully to free it. Then, disconnect the main tube.
      • Protect the disconnected part by covering it with a plastic bag and tape after disconnecting the main tube.
      • Check that the top hat cannot be pulled out.
      G12587014Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the 2 bolts and the fuel delivery pipe (for bank 2) from the intake manifold.
    G12587015Courtesy of SUBARU OF AMERICA, INC.
  5. REMOVE FUEL DELIVERY PIPE (for Bank 1)
    NOTE: Use the same procedure described for the fuel delivery pipe (for bank 2).
  6. REMOVE NO. 3 FUEL DELIVERY PIPE
    1. Disengage the 3 clamps and remove the No. 3 fuel delivery pipe from the intake manifold. (Transmission A/T)
    2. Disengage the 2 clamps and remove the No. 3 fuel delivery pipe from the intake manifold. (Transmission M/T)
      G12587016Courtesy of SUBARU OF AMERICA, INC.
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