Tumble Generator Valve Assembly: Removal

NOTE: The tumble generator valve assembly is tightened together with the intake manifold.

1. Release the fuel pressure. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Fuel>PROCEDURE>RELEASING OF FUEL PRESSURE .
2. Disconnect the ground cable from battery.
3. Open the fuel filler lid and remove the fuel filler cap.
4. Remove the intake manifold. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Intake Manifold>REMOVAL .
5. Remove the air intake adapter from the cylinder head.
   • RH side
     Fig 1: Locating Air Intake Adapter (RH Side) Bolts

     Courtesy of SUBARU OF AMERICA, INC.
   • LH side
   Fig 2: Locating Air Intake Adapter (LH Side) Bolts

   Courtesy of SUBARU OF AMERICA, INC.
6. Remove the cylinder head plate from cylinder head.

Fig 3: Locating Cylinder Head Plate

Courtesy of SUBARU OF AMERICA, INC.