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Home >> Buick >> 2017 >> LaCrosse Base >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Repair Instructions >> Exhaust Front Pipe Replacement >> Exhaust Front Pipe Replacement (AWD) >> Installation Procedure

Installation Procedure

    Fig 1: Exhaust Front Pipe
    GM4448113Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Install a NEW gasket.

  1. Exhaust Front Pipe Gasket 1 - Install
  2. Position the exhaust front pipe (2) to the vehicle.
  3. Support the exhaust front pipe.
  4. Fig 2: Exhaust Front Pipe Nut
    GM4448033Courtesy of GENERAL MOTORS COMPANY
  5. Exhaust Front Pipe Nut 1 - Hand tighten
  6. Fig 3: Exhaust Front Pipe Bolt
    GM4447763Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  7. Exhaust Front Pipe Bolt 1 - Install and tighten 22 N.m (16 lb ft)
  8. Fig 4: Exhaust Front Pipe Nut
    GM4448033Courtesy of GENERAL MOTORS COMPANY
  9. Exhaust Front Pipe Nut 1 - Tighten 22 N.m (16 lb ft)
  10. Fig 5: Exhaust Front Pipe Nut And Exhaust Pipe Hanger Bracket Bolt
    GM4448276Courtesy of GENERAL MOTORS COMPANY
  11. Exhaust Pipe Hanger Bracket Bolt 2 - Install and tighten 22 N.m (16 lb ft)
  12. Exhaust Front Pipe Nut 1 - Install and tighten 22 N.m (16 lb ft)
  13. Lower the vehicle. Lifting and Jacking the Vehicle
  14. Start the engine and check for exhaust leaks.