2016 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Intake Manifold: Disassembly

  1. Remove the manifold absolute pressure & intake air temperature sensor from the intake manifold.
    Fig 1: Locating Manifold Absolute Pressure & Intake Air Temperature Sensor Screw
    G09479634Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the EGR pipe from intake manifold.
    Fig 2: Locating EGR Pipe Bolts
    G09479635Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the throttle body from the intake manifold.
    Fig 3: Locating Throttle Body Bolts
    G09479636Courtesy of SUBARU OF AMERICA, INC.
  4. Disconnect the vacuum hose from the intake manifold, and remove the purge control solenoid valve.
    Fig 4: Locating Vacuum Hose And Bolt
    G09479637Courtesy of SUBARU OF AMERICA, INC.
  5. Disconnect the PCV hose and vacuum control hose from the intake manifold.
    Fig 5: Locating PCV Hose And Vacuum Control Hose Of Intake Manifold
    G09479638Courtesy of SUBARU OF AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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