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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Exhaust >> Exhaust (H4DOTC) >> Center Exhaust Pipe >> Installation

Center Exhaust Pipe: Installation

NOTE: Replace with a new gasket.
  1. Install the center exhaust pipe and temporarily tighten the bolt which holds center exhaust pipe to hanger bracket.
  2. Temporarily tighten the bolt which holds the center pipe to transmission.
  3. Connect the center exhaust pipe to turbocharger.

    Tightening torque: 35 N.m (3.6 kgf-m, 26.0 ft-lb) 

    Fig 1: Identifying Center Exhaust Pipe Nut
    G04998823
  4. Install the center exhaust pipe to rear exhaust pipe.

    Tightening torque: 18 N.m (1.8 kgf-m, 13.0 ft-lb) 

    Fig 2: Locating Center Exhaust Pipe Bolts
    G05018253
  5. Connect the connector to rear oxygen sensor.
    Fig 3: Identifying Connector
    G05018252
  6. Tighten the bolt which holds center exhaust pipe bracket to transmission.

    Tightening torque: 30 N.m (3.1 kgf-m, 22.4 ft-lb) 

    Fig 4: Locating Bolt Which Holds Center Exhaust Pipe Bracket To Transmission
    G05018254
  7. Tighten the bolt which holds center exhaust pipe to hanger bracket.

    Tightening torque: 35 N.m (3.6 kgf-m, 26.0 ft-lb) 

    Fig 5: Locating Bolt Which Holds Center Exhaust Pipe To Hanger Bracket
    G05018255
  8. Tighten the bolts which hold the intercooler bracket.

    Tightening torque: 35 N.m (3.6 kgf-m, 26.0 ft-lb) 

  9. Lower the vehicle.
  10. Position the turbocharger lower cover, and tighten the bolts which hold the lower cover and center exhaust pipe.

    Tightening torque: 7.5 N.m (0.8 kgf-m, 5.5 ft-lb) 

    Fig 6: Locating Bolts Which Hold Lower Cover And Center Exhaust Pipe
    G04998822
  11. Position the turbocharger upper cover, and tighten the bolts which install the upper side of upper cover.

    Tightening torque: 7.5 N.m (0.8 kgf-m, 5.5 ft-lb) 

    Fig 7: Locating Bolts Which Install Upper Side Of Upper Cover
    G04998837
  12. Lift-up the vehicle.
  13. Tighten the bolts which install the under side of turbocharger lower cover.

    Tightening torque: 7.5 N.m (0.8 kgf-m, 5.5 ft-lb) 

    Fig 8: Locating Bolts Which Install Under Side Of Turbocharger Lower Cover
    G04998820
  14. Install the under cover.
  15. Lower the vehicle.
  16. Install the intercooler bracket.
    Fig 9: Locating Intercooler Bracket Nut
    G05018247
  17. Install the intercooler. < Ref. to INSTALLATION , Intercooler. >
  18. Install the collector cover.