LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (Exhaust System (H4DO)) >> Front Exhaust Pipe >> Installation

Front Exhaust Pipe: Installation

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the front oxygen (A/F) sensor and rear oxygen sensor to the front exhaust pipe. < Ref. to INSTALLATION , Front Oxygen (A/F) Sensor. > < Ref. to INSTALLATION , Rear Oxygen Sensor. >
  2. Install the center exhaust pipe to front exhaust pipe.
    NOTE: Use a new gasket.

    Tightening torque: 

    40 N.m (4.1 kgf-m, 29.5 ft-lb) 

    Fig 1: Locating Center Exhaust Pipe Bolts
    G07664996Courtesy of SUBARU OF AMERICA, INC.
  3. Install the front exhaust pipe and center exhaust pipe as a unit to the vehicle.
    NOTE: Use a new gasket.
  4. Temporarily tighten the nuts which hold front exhaust pipe to cylinder heads.
    Fig 2: Locating Cylinder Heads Front Exhaust Pipe Nuts
    G07664994Courtesy of SUBARU OF AMERICA, INC.
  5. Install the rear exhaust pipe to center exhaust pipe.
    NOTE: Use a new gasket.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb) 

    Fig 3: Locating Rear Exhaust Pipe Mounting Bolts
    G07664993Courtesy of SUBARU OF AMERICA, INC.
  6. Tighten the bolts which secure the center exhaust pipe to the hanger bracket.

    Tightening torque: 

    35 N.m (3.6 kgf-m, 25.8 ft-lb) 

    Fig 4: Locating Center Exhaust Pipe Hanger Bracket Bolt
    G07664995Courtesy of SUBARU OF AMERICA, INC.
  7. Tighten the nuts which hold front exhaust pipe to cylinder heads.

    Tightening torque: 

    30 N.m (3.1 kgf-m, 22.1 ft-lb) 

    Fig 5: Locating Cylinder Heads Front Exhaust Pipe Nuts
    G07664994Courtesy of SUBARU OF AMERICA, INC.
  8. Connect the front oxygen (A/F) sensor connector (A) and rear oxygen sensor connector (B), and fasten the harness with the clip (C).
    Fig 6: Identifying Front Oxygen (A/F) Sensor Connector And Rear Oxygen Sensor Connector With Clip
    G07664992Courtesy of SUBARU OF AMERICA, INC.
  9. Install the under cover RH. < Ref. to INSTALLATION , Front Under Cover. >
  10. Lower the vehicle.
  11. Connect the battery ground terminal.
    Fig 7: Connecting Ground Cable From Battery
    G07665003Courtesy of SUBARU OF AMERICA, INC.