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Home >> Subaru >> 2005 >> Outback Limited, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection (Fuel Systems) (H4SO U5 (PZEV)) >> Intake Manifold >> Assembly
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Intake Manifold: Assembly

  1. Install the intake manifold to tumble generator assembly.
    NOTE: Use a new gasket.
    CAUTION: This work should be done on cylinder head. (Do not use gasket for the mating surface of cylinder head and intake manifold at this time.)
    1. Temporarily tighten (a) - (b) in alphabetical order.
    2. Tighten (e) - (k) to 5 N.m (0.5 kgf-m, 4 ft-lb).
    3. Tighten (a) - (d) and (I) - (o) to 10 N.m (1.0 kgf-m, 7ft-lb).
    4. Tighten (e) - (g) to 25 N.m (2.6 kgf-m, 18 ft-lb).
    5. Tighten (h) - (k) to 25 N.m (2.6 kgf-m, 18 ft-lb).
    6. Loosen (a) - (d) and (I) - (o) to remove.
      Fig 1: Tightening Bolts In Alphabetical Order
      G03828700Courtesy of SUBARU OF AMERICA, INC.
  2. Tighten the bolt which installs pressure regulator on intake manifold.

    Tightening torque: 

    5 N.m (0.5 kgf-m, 3.6 ft-lb) 

  3. Tighten the bolt which installs the fuel pipes on intake manifold.

    Tightening torque: 

    5 N.m (0.5 kgf-m, 3.6 ft-lb) 

    Fig 2: Tightening Bolt Of Fuel Pipes On Intake Manifold
    G03828701Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the fuel injector pipe to fuel hose, and tighten the clamp screw.
    NOTE: Tighten the clamp screw as shown in Fig 3 .

    L:2 - 5 mm (0.08 - 0.20 in) 

    Fig 3: Tightening Clamp Screw
    G03828702Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    1.5 N.m (0.15 kgf-m, 1.1 ft-lb) 

    • LH side
      Fig 4: Tightening Bolts With Torque Specification (LH Side)
      G03828703Courtesy of SUBARU OF AMERICA, INC.
    • RH side
    Fig 5: Tightening Bolts With Torque Specification (RH Side)
    G03828704Courtesy of SUBARU OF AMERICA, INC.
  5. Install the fuel injectors.
  6. Tighten the bolts which install injector pipe on intake manifold.
    • RH side

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14 ft-lb) 

    Fig 6: Tightening Bolts Of Injector Pipe On Intake Manifold (RH Side)
    G03828705Courtesy of SUBARU OF AMERICA, INC.
    • LH side

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14 ft-lb) 

    Fig 7: Tightening Bolts Of Injector Pipe On Intake Manifold (LH Side) (1 Of 2)
    G03828706Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    5 N.m (0.5 kgf-m, 3.6 ft-lb) 

    Fig 8: Tightening Bolts Of Injector Pipe On Intake Manifold (LH Side) (2 Of 2)
    G03828707Courtesy of SUBARU OF AMERICA, INC.
  7. Hold the engine harness by harness band clips.
    Fig 9: Holding Engine Harness By Harness Band Clips (1 Of 2)
    G03828708Courtesy of SUBARU OF AMERICA, INC.
    Fig 10: Holding Engine Harness By Harness Band Clips (2 Of 2)
    G03828709Courtesy of SUBARU OF AMERICA, INC.
  8. Install the purge control solenoid valve. < Ref. to INSTALLATION , Purge Control Solenoid Valve. >
  9. Install the tumble generator valve actuator. < Ref. to , INSTALLATION , Tumble Generator Valve Actuator. >
  10. Connect the connectors (A) to fuel injector.
  11. Hold the engine harness to injector pipe by clip (B).
    Fig 11: Connecting Connectors To Fuel Injector
    G03828710Courtesy of SUBARU OF AMERICA, INC.
  12. Connect the pressure regulator vacuum hose to intake manifold.
    Fig 12: Connecting Pressure Regulator Vacuum Hose To Intake Manifold
    G03828711Courtesy of SUBARU OF AMERICA, INC.
  13. Install the fuel pipe protector RH.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14 ft-lb) 

    Fig 13: Installing Fuel Pipe Protector RH
    G03828712Courtesy of SUBARU OF AMERICA, INC.
  14. Install the fuel pipe protector LH.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14 ft-lb) 

    Fig 14: Installing Fuel Pipe Protector LH
    G03828713Courtesy of SUBARU OF AMERICA, INC.
  15. Install the PCV pipe.

    Tightening torque: 

    5 N.m (0.5 kgf-m, 3.6 ft-lb) 

    Fig 15: Installing PCV Pipe
    G03828714Courtesy of SUBARU OF AMERICA, INC.
  16. Install the EGR valve. < Ref. to , INSTALLATION , EGR Valve. >
  17. Install the throttle body to intake manifold. < Ref. to , INSTALLATION , Throttle Body. >
  18. Install the ignition coil & ignitor assembly. < Ref. to INSTALLATION , Ignition Coil and Ignitor Assembly. >
  19. Install the engine ground terminal to intake manifold.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14 ft-lb) 

    • LH side
      Fig 16: Installing Engine Ground Terminal To Intake Manifold (LH Side)
      G03828715Courtesy of SUBARU OF AMERICA, INC.
    • RH side
    Fig 17: Installing Engine Ground Terminal To Intake Manifold (RH Side)
    G03828716Courtesy of SUBARU OF AMERICA, INC.