LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2004 >> Outback L.L. Bean Edition >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection (Fuel Systems) (H6DO) >> Intake Manifold >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Intake Manifold: Installation

  1. Install intake manifold onto cylinder heads.
    NOTE: Always use new gaskets.

    Tightening torque: 

    1. 25 N.m (2.5 kgf-m, 18.1 ft-lb) 
    Fig 1: Installing Intake Manifold (1 Of 2)
    G00897169Courtesy of SUBARU OF AMERICA, INC.
    Fig 2: Installing Intake Manifold (2 Of 2)
    G00897170Courtesy of SUBARU OF AMERICA, INC.
  2. Install the bolt (B), which holds fuel injector pipe RH onto cylinder head.

    Tightening torque: 

    1. 19 N.m (1.9 kgf-m, 14 ft-lb) 
  3. Connect air assist hose (A).
    Fig 3: Connecting Air Assist Hose
    G00897171Courtesy of SUBARU OF AMERICA, INC.
  4. Install fuel pipe protector RH.

    Tightening torque: 

    1. 19 N.m (1.9 kgf-m, 14 ft-lb) 
    Fig 4: Installing Fuel Pipe Protector
    G00897172Courtesy of SUBARU OF AMERICA, INC.
  5. Install ground cable to fuel pipe protector RH.
    Fig 5: Installing Ground Cable
    G00897173Courtesy of SUBARU OF AMERICA, INC.
  6. Install the bolt (B) which holds fuel injector pipe RH onto cylinder head.

    Tightening torque: 

    1. 19 N.m (1.9 kgf-m, 14 ft-lb) 
  7. Connect air assist hose (A).
    Fig 6: Connecting Air Assist Hose
    G00897174Courtesy of SUBARU OF AMERICA, INC.
  8. Install fuel pipe protector LH.

    Tightening torque: 

    1. 19 N.m (1.9 kgf-m, 14 ft-lb) 
    Fig 7: Installing Fuel Pipe Protector
    G00897175Courtesy of SUBARU OF AMERICA, INC.
  9. Install ground cable to fuel pipe protector LH.
    Fig 8: Installing Ground Cable
    G00897176Courtesy of SUBARU OF AMERICA, INC.
  10. Install EGR pipe to EGR valve.
    NOTE: Always use new gasket.

    Tightening torque: 

    1. 6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 
    Fig 9: Installing EGR Pipe
    G00897177Courtesy of SUBARU OF AMERICA, INC.
  11. Connect fuel delivery hose, return hose and evaporation hose. Refer to INSTALLATION , Fuel Delivery, Return and Evaporation Lines.
    Fig 10: Connecting Fuel Delivery Hose, Return Hose And Evaporation Hose
    G00897178Courtesy of SUBARU OF AMERICA, INC.
  12. Connect engine ground cable to intake manifold.
    Fig 11: Connecting Engine Ground Cable
    G00897179Courtesy of SUBARU OF AMERICA, INC.
  13. Connect engine harness connectors to bulkhead connectors.
    Fig 12: Connecting Engine Harness Connectors
    G00897180Courtesy of SUBARU OF AMERICA, INC.
  14. Connect brake booster hose.
    Fig 13: Connecting Brake Booster Hose
    G00897181Courtesy of SUBARU OF AMERICA, INC.
  15. Connect engine coolant hose to throttle body.
    Fig 14: Connecting Engine Coolant Hose
    G00897182Courtesy of SUBARU OF AMERICA, INC.
  16. Connect PCV hose to cylinder head cover.
    Fig 15: Connecting PCV Hose
    G00897183Courtesy of SUBARU OF AMERICA, INC.
  17. Install power steering pump and tank on brackets.
    1. Install power steering tank on bracket.
      Fig 16: Installing Power Steering Tank
      G00897184Courtesy of SUBARU OF AMERICA, INC.
    2. Connect connector to power steering pump switch.
      Fig 17: Connecting Power Steering Pump Switch Connector
      G00897185Courtesy of SUBARU OF AMERICA, INC.
    3. Tighten bolts which install power steering pump on bracket.

      Tightening torque: 

      1. 20.1 N.m (2.05 kgf-m, 14.8 ft-lb) 
      Fig 18: Identifying Power Steering Pump Bolts
      G00897186Courtesy of SUBARU OF AMERICA, INC.
    4. Install power steering pipes with bracket.
      Fig 19: Installing Power Steering Pipes
      G00897187Courtesy of SUBARU OF AMERICA, INC.
    5. Install V-belt. Refer to INSTALLATION , V-belt.
  18. Connect rear window washer hose to washer motor.
  19. Connect front window washer motor connector.
  20. Connect rear window washer motor connector.
    Fig 20: Connecting Rear Window Washer Motor Connector
    G00897188Courtesy of SUBARU OF AMERICA, INC.
  21. Install washer tank on body.
    Fig 21: Installing Washer Tank
    G00897189Courtesy of SUBARU OF AMERICA, INC.
  22. Connect accelerator cable (A).
  23. Connect cruise control cable (B). (With cruise control models)
    Fig 22: Connecting Cruise Control Cable
    G00897190Courtesy of SUBARU OF AMERICA, INC.
  24. Install air intake duct, air cleaner and air intake chamber. Refer to INSTALLATION , Air Intake Duct and INSTALLATION , Air Cleaner and INSTALLATION , Air Intake Chambers.
  25. Connect connector to fuel pump relay.
    Fig 23: Connecting Fuel Pump Relay Connector
    G00897191Courtesy of SUBARU OF AMERICA, INC.
  26. Connect battery ground cable.
    Fig 24: Connecting Battery Ground Cable
    G00897192Courtesy of SUBARU OF AMERICA, INC.