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HOMESERVICE MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALEXHAUSTEXHAUST (H4SO)FRONT EXHAUST PIPEINSTALLATION
2005 Subaru Outback i, Standard

Front Exhaust Pipe: Installation

2005 Subaru Outback i, StandardSECTION Installation
  1. Install the front exhaust pipe to center exhaust pipe.
    NOTE: Replace gaskets with new ones.

    Tightening torque: 

    30 N.m (3.1 kgf-m, 22.4 ft-lb) 

    Fig 1: Installing Front Exhaust Pipe To Center Exhaust Pipe
    G03828127Courtesy of SUBARU OF AMERICA, INC.
  2. Install the front and center exhaust pipe assembly to vehicle.
  3. Temporarily tighten the bolt which installs front and center exhaust pipe assembly to hanger bracket.
    Fig 2: Installing Bolt To Front And Center Exhaust Pipe Assembly To Hanger Bracket
    G03828128Courtesy of SUBARU OF AMERICA, INC.
  4. Tighten the nuts which hold front exhaust pipe onto cylinder heads.

    Tightening torque: 

    30N.m (3.1 kgf-m, 22.4 ft-lb) 

    Fig 3: Tightening Nuts Holding Front Exhaust Pipe Onto Cylinder Heads
    G03828129Courtesy of SUBARU OF AMERICA, INC.
  5. Install the under cover.
  6. Tighten the bolts which install front and center exhaust pipe assembly to rear exhaust pipe.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.0 ft-lb) 

    Fig 4: Installing Front And Center Exhaust Pipe Assembly To Rear Exhaust Pipe
    G03828130Courtesy of SUBARU OF AMERICA, INC.
  7. Tighten the bolt which holds front and center exhaust pipe assembly to hanger bracket.

    Tightening torque: 

    35N.m (3.6 kgf-m, 26.0 ft-lb) 

    Fig 5: Tightening Bolt To Holding Front And Center Exhaust Pipe Assembly To Hanger Bracket
    G03828131Courtesy of SUBARU OF AMERICA, INC.
  8. Lower the vehicle.
  9. Connect the rear oxygen sensor connector.
    Fig 6: Connecting Rear Oxygen Sensor Connector
    G03828132Courtesy of SUBARU OF AMERICA, INC.
  10. Connect the front oxygen (A/F) sensor connector.
    Fig 7: Connecting Front Oxygen (A/F) Sensor Connector
    G03828133Courtesy of SUBARU OF AMERICA, INC.
  11. Connect the battery ground cable.
Fig 8: Connecting Battery Ground Cable
G03828134Courtesy of SUBARU OF AMERICA, INC.
RENDER: 1.0x

NO RELATED

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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.