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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Exhaust Front Pipe Replacement (LTG FWD) >> Installation Procedure

Installation Procedure

  1. Clean the exhaust front pipe mating surfaces.
    2. Fig 1: Exhaust Front Pipe
    GM2863278Courtesy of GENERAL MOTORS COMPANY
  2. Install the exhaust front pipe (1) into position above the exhaust front hanger bracket (2).
    3. Fig 2: Catalytic Converter Fasteners
    GM2863120Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  3. Install the exhaust front pipe to the catalytic converter with a NEW gasket (3) and tighten the fasteners (2) to 25 N.m (18 lb ft).
  4. Install the exhaust front pipe bracket fasteners (1) and tighten to 22 N.m (16 lb ft).
    5. Fig 3: Exhaust Front Pipe And Exhaust Muffler Fasteners
    GM2609447Courtesy of GENERAL MOTORS COMPANY
  5. Install the exhaust front pipe to the muffler (3) with a NEW gasket (2) and tighten the fasteners (1) to 18 N.m (13 lb ft).
    6. Fig 4: Fasteners And Exhaust Isolators
    GM2863216Courtesy of GENERAL MOTORS COMPANY
  6. Install the exhaust isolator fasteners (1) and tighten to 35 N.m (26 lb ft).
  7. Lower the vehicle.
  8. Start the engine and check for exhaust leaks.
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