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Home › Buick › 2016 › Cascada Base › Repair and Diagnosis › Engine Mechanical › Exhaust System › Repair Instructions › Exhaust Muffler Replacement › Installation Procedure

Installation Procedure

    Fig 1: Exhaust Muffler, Gasket & Nuts
    GM2538024Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    A second technician is required.

  1. Install the exhaust muffler (2) with a NEW gasket (3) to the catalytic converter.
  2. Support the exhaust muffler.
    3. CAUTION:

    Refer to Fastener Caution .

  3. Install the 2 nuts (4) and tighten to 17 N.m (13 lb ft).
  4. Install the exhaust pipe clamp (1) and loosely tighten.
  5. Position the exhaust rear muffler and the exhaust rear auxiliary muffler.
  6. Tighten the exhaust pipe clamp (1) to 30 N.m (22 lb ft).
  7. Install the underbody brace - front. Refer to Underbody Brace Replacement - Front .
  8. Install the underbody brace - middle. Refer to Underbody Brace Replacement - Middle X-Rod .
  9. Install the underbody brace - rear V-rod. Refer to Underbody Brace Replacement - Rear V-Rod .
    10. Fig 2: Exhaust Pipe
    GM3462374Courtesy of GENERAL MOTORS COMPANY
  10. There must be a distance (a) between the underbody brace - rear V-rod (2) and exhaust pipe (1) of 16 mm (0.63 in).
  11. If distance (a) between underbody - rear V-rod (2) and exhaust pipe (1) is under 16 mm (0.63 in) align the exhaust pipe once again by loosen the exhaust pipe nuts.
  12. Lower and unsupport the vehicle.
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