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Home >> Chevrolet >> 2004 >> Epica LS >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust >> Repair Instructions >> 3rd Muffler Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Front Exhaust Pipe, 3rd Muffler And Nuts
    GM1252141Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Exhaust Service Caution in Cautions and Notices.
  1. Remove the nuts that secure the front exhaust pipe flange to the 3rd muffler flange.
  2. Fig 2: View Of Front Muffler Pipe, Nuts And 3rd Muffler Flange
    GM1256179Courtesy of GENERAL MOTORS CORP.
  3. Remove the nuts that secure the front muffler pipe to the 3rd muffler flange.
  4. Remove the 3rd muffler and the gasket.
  5. Clean the sealing surfaces on the front exhaust pipe flange and the exhaust manifold.
  6. Inspect the front exhaust pipe and the 3rd muffler for holes, damage, open seams, or other deterioration which could permit exhaust fumes to seep into the passenger compartment or the trunk.