2013 Subaru Outback Base, Automatic CVT TransFACTORY OEM SERVICE PROCEDURE

Tumble Generator Valve Assembly: Removal

  1. Release the fuel pressure. Refer to RELEASING OF FUEL PRESSUREΒ .
  2. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G08579605Courtesy of SUBARU OF AMERICA, INC.
  3. Open the fuel filler lid and remove the fuel filler cap.
  4. Remove the intake manifold. Refer to REMOVALΒ .
  5. Disconnect the connector (A) from the tumble generator valve assembly.
  6. Remove the tumble generator valve assembly from the cylinder head.
    • LH side
      Fig 2: Locating Tumble Generator Valve Assembly Mounting Bolts (LH Side)
      G08579711Courtesy of SUBARU OF AMERICA, INC.
    • RH side
      Fig 3: Locating Tumble Generator Valve Assembly Mounting Bolts (RH Side)
      G08579712Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the cylinder head plate from cylinder head.
    Fig 4: Locating Cylinder Head Plate
    G08579713Courtesy 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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