2008 Subaru Outback XT Limited, AutomaticFACTORY OEM SERVICE PROCEDURE

Intake Manifold: Assembly

  1. Install the tumble generator valve assembly onto intake manifold.
    NOTE: Use new O-rings.

    Tightening torque: 

    8.3 N.m (0.85 kgf-m, 6.1 ft-lb) 

    Fig 1: Locating Tumble Generator Valve Assembly Bolts
    G05340123Courtesy of SUBARU OF AMERICA, INC.
  2. Install the fuel injector pipe.
  3. Connect fuel hoses to fuel injector pipes on both sides, and secure them with the clamps.

    Tightening torque: 

    1.25 N.m (0.13 kgf-m, 0.94 ft-lb) 

    Fig 2: Identifying Fuel Hose Clamp
    G05340122Courtesy of SUBARU OF AMERICA, INC.
  4. Tighten the bolts which secure the fuel injector pipe RH to the lower side of the intake manifold.

    Tightening torque: 

    6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

    Fig 3: Locating Fuel Injector Pipe RH Bolt
    G05340121Courtesy of SUBARU OF AMERICA, INC.
  5. Tighten the bolts which secure the fuel pipe to the intake manifold.

    Tightening torque: 

    6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

    Fig 4: Locating Fuel Pipe Bolt
    G05340120Courtesy of SUBARU OF AMERICA, INC.
  6. Install the fuel injector.
    • RH side
      Fig 5: Installing Fuel Injector (RH Side)
      G05340118Courtesy of SUBARU OF AMERICA, INC.
    • LH side
      Fig 6: Installing Fuel Injector (LH Side)
      G05340119Courtesy of SUBARU OF AMERICA, INC.
  7. Tighten the bolts which secure fuel injector pipe onto intake manifold.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14 ft-lb) 

    • LH side
      Fig 7: Locating Fuel Injector Pipe Bolts (LH Side)
      G05340117Courtesy of SUBARU OF AMERICA, INC.
    • RH side
      Fig 8: Locating Fuel Injector Pipe Bolts (RH Side)
      G05340116Courtesy of SUBARU OF AMERICA, INC.
  8. Tighten the bolt which holds the fuel injector pipe LH to the front side of the intake manifold, and connect the pressure regulator vacuum hose to the intake manifold.

    Tightening torque: 

    6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

    Fig 9: Identifying Fuel Injector Pipe LH Bolt
    G05340115Courtesy of SUBARU OF AMERICA, INC.
  9. Install PCV pipe (A), harness assembly (B) and intake duct (C) to the intake manifold.

    Tightening torque: 

    6.5 N.m (0.66 kgf-m, 4.8 ft-lb) 

    Fig 10: Identifying PCV Pipe, Harness Assembly And Intake Duct
    G05340114Courtesy of SUBARU OF AMERICA, INC.
  10. Connect the connector to the fuel injector and the tumble generator valve assembly.
    Fig 11: Locating Fuel Injector And Tumble Generator Valve Assembly Connector
    G05340113Courtesy of SUBARU OF AMERICA, INC.
  11. Install the throttle body to the intake manifold.
    NOTE: Use new O-rings.

    Tightening torque: 

    8 N.m (0.8 kgf-m, 5.9 ft-lb) 

    Fig 12: Locating Throttle Body Bolts
    G05017734Courtesy of SUBARU OF AMERICA, INC.
  12. Connect the connector to the throttle position sensor.
    Fig 13: Locating Throttle Position Sensor Connector
    G05017732Courtesy of SUBARU OF AMERICA, INC.
  13. Connect the evaporation hose to the purge control solenoid valve 2.
    NOTE: Connect the evaporation hose as shown in the figure.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.