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

Removal Procedure

IMPORTANT: The muffler is serviced as a complete assembly and cannot be serviced separately.
  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 from the muffler. Refer to Catalytic Converter Replacement (3.4L)  or Catalytic Converter Replacement (3.8L) .
    4. Fig 1: Identifying Muffler (Dual)
    GM460738Courtesy of GENERAL MOTORS CORP.
  4. Remove the muffler from the exhaust hangers.
  5. Clean the catalytic converter and the muffler gasket mating surfaces.
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