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

    Fig 1: Identifying Muffler (Single)
    GM892633Courtesy of GENERAL MOTORS CORP.
  1. Install the muffler to the exhaust hangers.
  2. Support the exhaust system.
    3. Fig 2: View Of Catalytic Converter Mounting Nuts
    GM212193Courtesy of GENERAL MOTORS CORP.
  3. Install a new gasket to the catalytic converter and the muffler.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the catalytic converter nuts.

    Tighten:  Tighten the nuts to 60 N.m (44 lb ft).

  5. Remove the exhaust system support.
  6. Lower the vehicle.
  7. Inspect for exhaust leaks.
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