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Home › Buick › 2014 › Verano Base › Repair and Diagnosis › Engine Mechanical › Engine Exhaust System › Repair Instructions › Exhaust Rear Muffler Replacement › Installation Procedure

Installation Procedure

  1. In case of reuse of the exhaust parts, check the exhaust pipes at the separating sets for the following conditions:
    • roundness of the exhaust pipe, any deformation in the range of the double-clamp must be eliminated
    • burrs inside and outside the exhaust pipe at the cutting edge, use a file to eliminate
    • rust at the exhaust pipe outside, use a sandpaper to eliminate
    2. Fig 1: Rear Exhaust Components
    GM2665886Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    A second technician is required.

  2. Install the exhaust rear muffler (7) to the 2 exhaust rear muffler hanger insulators (6).
  3. Install the exhaust pipe clamp (1) and loosely tighten.
  4. Install the exhaust rear auxiliary muffler (5).
    5. CAUTION:

    Refer to Fastener Caution .

  5. Install the exhaust rear auxiliary muffler bracket bolt (3) to the exhaust rear auxiliary muffler bracket (4) and tighten to 25 N.m (18 lb ft).
  6. Install the exhaust pipe clamp (2) and loosely tighten.
  7. Position the exhaust rear muffler (7).
  8. Tighten the exhaust pipe clamp (1) to 30 N.m (22 lb ft).
  9. Position the exhaust rear auxiliary muffler (5).
  10. Tighten the exhaust pipe clamp (2) to 30 N.m (22 lb ft).
  11. Unsupport the exhaust muffler.
  12. Install the underbody rear air deflector. Refer to Underbody Rear Air Deflector Replacement .
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