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Home >> Subaru >> 2004 >> Baja Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection (Fuel Systems) (H4SO) >> Intake Manifold >> Assembly
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Intake Manifold: Assembly

  1. Install fuel pipe assembly and pressure regulator, etc. to intake manifold.
  2. Tighten bolt which installs fuel pipes on intake manifold.
    1. Tightening torque:  4.9 N.m (0.5 kgf-m, 3.6 ft-lb)
    Fig 1: Tightening Bolt Which Installs Fuel Pipes On Intake Manifold
    G00898736Courtesy of SUBARU OF AMERICA, INC.
  3. Connect right side fuel hose to injector pipe, and tighten clamp screw.
    Fig 2: Connecting Right Side Fuel Hose To Injector Pipe & Tightening Screw
    G00898737Courtesy of SUBARU OF AMERICA, INC.
  4. Install fuel injector pipe.
  5. Connect left side fuel hose to injector pipe, and tighten clamp screw.
    Fig 3: Connecting Left Side Fuel Hose To Injector Pipe
    G00898738Courtesy of SUBARU OF AMERICA, INC.
  6. Connect air assist hoses.
    Fig 4: Connecting Air Assist Hoses
    G00898739Courtesy of SUBARU OF AMERICA, INC.
  7. Install fuel injectors.
    NOTE: Always use new o-rings.
    Fig 5: Installing Fuel Injectors
    G00898740Courtesy of SUBARU OF AMERICA, INC.
  8. Do not forget to install the fuel injector securing clip.
    Fig 6: Installing Fuel Injector Securing Clip
    G00898741Courtesy of SUBARU OF AMERICA, INC.
  9. Tighten bolt which installs injector pipe on intake manifold.
    1. Tightening torque:  5.0 N.m (0.51 kgf-m, 3.7 ft-lb)
      Fig 7: Tightening Bolt Which Installs Injector Pipe On Intake Manifold (1 Of 2)
      G00898742Courtesy of SUBARU OF AMERICA, INC.
    2. Tightening torque:  19 N.m (1.9 kgf-m, 13.7 ft-lb)
    Fig 8: Tightening Bolt Which Installs Injector Pipe On Intake Manifold (2 Of 2)
    G00898743Courtesy of SUBARU OF AMERICA, INC.
  10. Tighten two bolts which install fuel pipes on the left side of intake manifold.
    1. Tightening torque:  5.0 N.m (0.51 kgf-m, 3.7 ft-lb)
    Fig 9: Tightening Two Bolts Which Install Fuel Pipes On Left Side Of Intake Manifold
    G00898744Courtesy of SUBARU OF AMERICA, INC.
  11. Install purge control solenoid valve.
    1. Tightening torque:  16 N.m (1.6 kgf-m, 11.8 ft-lb)
    Fig 10: Installing Purge Control Solenoid Valve
    G00898745Courtesy of SUBARU OF AMERICA, INC.
  12. Connect hoses to purge control solenoid valve.
    CAUTION: Connect evaporation hoses as shown in the figure. 
    Fig 11: Connecting Evaporation Hoses
    G00898746Courtesy of SUBARU OF AMERICA, INC.
  13. Install engine harness onto intake manifold.
  14. Connect connectors to fuel injectors and purge control solenoid valve.
  15. Hold engine harness by harness bands (A).
    Fig 12: Binding Engine Harness By Harness Bands
    G00898747Courtesy of SUBARU OF AMERICA, INC.
    NOTE: Do not use harness band on harnesses where they are supposed to be protected by the fuel pipe protector.
  16. Install fuel pipe protector RH.
    1. Tightening torque:  19 N.m (1.9 kgf-m, 13.7 ft-lb)
    Fig 13: Installing Fuel Pipe Protector RH
    G00898748Courtesy of SUBARU OF AMERICA, INC.
  17. Install fuel pipe protector LH.
    1. Tightening torque:  19 N.m (1.9 kgf-m, 13.7 ft-lb)
    Fig 14: Installing Fuel Pipe Protector LH
    G00898749Courtesy of SUBARU OF AMERICA, INC.
  18. Connect pressure regulator vacuum hose to intake manifold.
    Fig 15: Connecting Pressure Regulator Vacuum Hose To Intake Manifold
    G00898750Courtesy of SUBARU OF AMERICA, INC.
  19. Install air assist injector solenoid valve to bracket. Refer to INSTALLATION , Air Assist Injector Solenoid Valve.
  20. Install EGR valve. Refer to INSTALLATION , EGR Valve.
  21. Install throttle body to intake manifold. Refer to INSTALLATION , Throttle Body.
  22. Install ignition coil and ignitor assembly.
    1. Tightening torque:  6.4 N.m (0.65 kgf-m, 4.7 ft-lb)
    Fig 16: Installing Ignition Coil And Ignitor Assembly
    G00898751Courtesy of SUBARU OF AMERICA, INC.
  23. Connect connector to ignition coil and ignitor assembly.
  24. Install engine ground terminal to intake manifold.
    1. Tightening torque:  19 N.m (1.9 kgf-m, 13.7 ft-lb)
    Fig 17: Installing Engine Ground Terminal To Intake Manifold
    G00898752Courtesy of SUBARU OF AMERICA, INC.