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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 364 (Exhaust System) >> Repair Instructions >> Exhaust Front Pipe Replacement (Bank 1, LGX) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Front Pipe
    GM4286466Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Install a NEW gasket.

  1. Install Catalytic Converter Gasket (3)
  2. NOTE:

    Install a NEW gasket.

  3. Install Exhaust Front Pipe Gasket (2)
  4. Install Exhaust Front Pipe (1)
  5. Fig 2: Catalytic Converter Nut
    GM4286436Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  6. Install Catalytic Converter Nut (1) and tighten 58 N.m (43 lb ft)
  7. Fig 3: Exhaust Front Pipe Nut
    GM4286345Courtesy of GENERAL MOTORS COMPANY
  8. Install Exhaust Front Pipe Nut (1) and tighten 22 N.m (16 lb ft)
  9. Fig 4: Exhaust Front Pipe Bracket Bolt
    GM4286314Courtesy of GENERAL MOTORS COMPANY
  10. Install Exhaust Front Pipe Bracket Bolt (1) and tighten 22 N.m (16 lb ft)
  11. Install Heated Oxygen Sensor Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
  12. Start the engine and check for exhaust leaks.