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Home >> Buick >> 2003 >> Regal LS >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Muffler Replacement >> Installation Procedure
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Installation Procedure

  1. Install the muffler to the support.
    Fig 1: Installing Muffler
    G01969224Courtesy of GENERAL MOTORS CORP.
  2. Install the exhaust hanger insulators to the muffler.
  3. Install the catalytic converter gasket.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install the catalytic converter bolts.

    Tighten 

    Tighten the bolts to 45 N.m (33 lb ft).

    Fig 2: Installing Catalytic Converter Gasket & Bolts
    G01969225Courtesy of GENERAL MOTORS CORP.
  5. Remove the support from the exhaust system.
  6. Inspect the exhaust system for leaks and underbody contact.
  7. Lower the vehicle.
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