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Home >> Subaru >> 2013 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Engine Intake System / Exhaust System >> Intake manifold Assembly (FA20) >> Disassembly

Intake manifold Assembly (FA20): Disassembly

  1. REMOVE MANIFOLD ABSOLUTE PRESSURE SENSOR
    1. Remove the bolt and manifold absolute pressure sensor from the intake manifold.
      Fig 1: Locating Manifold Absolute Pressure Sensor Mounting Bolt
      G08556506Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the O-ring from the manifold absolute pressure sensor.
      Fig 2: Locating O-Ring
      G08556507Courtesy of SUBARU OF AMERICA, INC.
  2. REMOVE PURGE CONTROL SOLENOID VALVE
    1. Disconnect the No. 1 fuel vapor feed hose from the intake manifold.
      Fig 3: Locating Fuel Vapor Feed Hose
      G08556508Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the nut and purge control solenoid valve.
      Fig 4: Locating Purge Control Solenoid Valve Nut
      G08556509Courtesy of SUBARU OF AMERICA, INC.
  3. REMOVE CAP (for Automatic Transmission)
    1. Remove the cap from the intake manifold.
      Fig 5: Identifying Automatic Transmission Cap
      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.
      Fig 6: Removing Fuel Delivery Pipe
      G08556511Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the 2 bolts and the fuel delivery pipe (for bank 2) from the intake manifold.
      Fig 7: Locating Fuel Delivery Pipe Bolts
      G08556512Courtesy 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.
      Fig 8: Identifying Fuel Delivery Pipe Clamps
      G08556513Courtesy of SUBARU OF AMERICA, INC.
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