2015 Subaru WRX STIFACTORY OEM SERVICE PROCEDURE

Tumble Generator Valve Assembly: Removal

  1. Disconnect the ground cable from battery.
  2. Remove the intake manifold. <Ref. to REMOVALΒ , Intake Manifold.>
  3. Disconnect the connector from the tumble generator valve assembly.
    Fig 1: Locating Tumble Generator Valve Assembly
    G08538694Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the fuel injector. <Ref. to REMOVALΒ , Fuel Injector.>
  5. Remove the tumble generator valve assembly from the intake manifold.
Fig 2: Locating Intake Manifold Tumble Generator Valve Assembly Bolts
G06344612Courtesy 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:

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

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