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Home >> Buick >> 2013 >> Verano Base >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Exhaust Muffler Replacement >> Installation Procedure
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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: Exhaust Muffler, Gasket & Nuts
    GM2538024Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    A second technician is required.

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

    Refer to Fastener Caution .

  6. Install the 2 nuts (4) and tighten to 17 N.m (13 lb ft).
  7. Install the exhaust pipe clamp (1) and loosely tighten.
  8. Position the exhaust rear muffler and the exhaust rear auxiliary muffler.
  9. Tighten the exhaust pipe clamp (1) to 30 N.m (22 lb ft).
  10. Lower and unsupport the vehicle.