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Home >> Subaru >> 2008 >> Outback Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4SO) >> Intake Manifold >> Assembly
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Intake Manifold: Assembly

NOTE: When assembling the nipple, apply liquid gasket.

Liquid gasket: THREE BOND 1105 (Part No. 004403010) 

  1. Tighten the bolts which install fuel pipes on intake manifold.

    Tightening torque: 6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

    Fig 1: Locating Fuel Pipes Bolt
    G04997370Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the fuel injector pipe LH to the fuel pipe.
    NOTE: Connect the quick connector securely.
    Fig 2: Identifying Fuel Injector Pipe LH To Fuel Pipe
    G04997369Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the fuel injector pipe RH to the fuel pipe.
    NOTE: Connect the quick connector securely.
    Fig 3: Identifying Fuel Injectors From Injector Pipe
    G04997368Courtesy of SUBARU OF AMERICA, INC.
  4. Install the fuel injector.
  5. Tighten the bolts which install injector pipe on intake manifold.
    • RH side

      Tightening torque: 19 N.m (1.9 kgf-m, 14.0 ft-lb) 

      Fig 4: Locating Intake Manifold Bolts (RH)
      G04997365Courtesy of SUBARU OF AMERICA, INC.
    • LH side

      Tightening torque: 19 N.m (1.9 kgf-m, 14.0 ft-lb) 

      Fig 5: Locating Intake Manifold Bolts (LH)
      G04997366Courtesy of SUBARU OF AMERICA, INC.

      Tightening torque: 6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

  6. Install the engine harness to the intake manifold.
    Fig 6: Locating Bolt
    G04997367Courtesy of SUBARU OF AMERICA, INC.
  7. Tighten the bolts which install engine harness on intake manifold.

    Tightening torque: 19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 7: Locating Intake Manifold Bolts
    G04997364Courtesy of SUBARU OF AMERICA, INC.
  8. Hold the engine harness using the harness band clips.
    Fig 8: Locating Harness Band Clip
    G04997363Courtesy of SUBARU OF AMERICA, INC.
  9. Install the purge control solenoid valve. <Ref. to INSTALLATION , Purge Control Solenoid Valve .>
  10. Connect the connectors (A) to fuel injector.
  11. Hold the engine harness to injector pipe by harness band (B).
    Fig 9: Identifying Fuel Injector Connector And Harness Band
    G04997362Courtesy of SUBARU OF AMERICA, INC.
  12. Install the fuel pipe protector RH.

    Tightening torque: 19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 10: Identifying Fuel Pipe Protector RH With Bolts
    G04997361Courtesy of SUBARU OF AMERICA, INC.
  13. Install the fuel pipe protector LH.

    Tightening torque: 19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 11: Identifying Fuel Pipe Protector LH With Bolts
    G04997360Courtesy of SUBARU OF AMERICA, INC.
  14. Install the PCV pipe.
    1. Connect the hose (A) and (B) to intake manifold.
    2. Tighten the bolts (C) through (E) in alphabetical sequence.

      Tightening torque: 6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

      Fig 12: Identifying Hose And Intake Manifold
      G04997382Courtesy of SUBARU OF AMERICA, INC.
  15. Install the EGR valve. <Ref. to INSTALLATION , EGR Valve .>
  16. Install the throttle body to the intake manifold. <Ref. to INSTALLATION , Throttle Body .>
  17. Install the ignition coil and ignitor assembly. <Ref. to INSTALLATION , Ignition Coil and Ignitor Assembly .>
  18. Install the engine ground terminal to intake manifold.
    Fig 13: Locating Engine Ground Terminal Bolts
    G04997358Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 19 N.m (1.9 kgf-m, 14.0 ft-lb)