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Home >> Chevrolet >> 2003 >> Impala LS >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Muffler Replacement (Single) >> Removal Procedure

Removal Procedure

IMPORTANT: The muffler is serviced as a complete assembly and cannot be serviced separately.
    Fig 1: View Of Catalytic Converter Mounting Nuts
    GM212193Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General information.
  2. Support the exhaust system.
  3. Remove the catalytic converter nuts.
    4. Fig 2: Identifying Muffler (Single)
    GM892633Courtesy of GENERAL MOTORS CORP.
  4. Remove the exhaust system from the exhaust hangers.
  5. Clean the catalytic converter and the muffler gasket mating surfaces.
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