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Home >> Buick >> 2003 >> Century Base >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Catalytic Converter Heat Shield Replacement >> Installation Procedure
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Installation Procedure

  1. Install the catalytic converter heat shield.
    Fig 1: Installing Catalytic Converter Heat Shield
    G01969230Courtesy of GENERAL MOTORS CORP.
  2. Install the converter heat shield rivets.
  3. Install the oxygen sensor wiring harness (3) to the catalytic converter heat shield.
    Fig 2: Installing Oxygen Sensor Wiring Harness
    G01969231Courtesy of GENERAL MOTORS CORP.
  4. Install the catalytic converter. Refer to CATALYTIC CONVERTER REPLACEMENT (3.1L)  or CATALYTIC CONVERTER REPLACEMENT (3.8L)  .
  5. Remove the support from the exhaust system.
  6. Inspect the exhaust system for leaks and underbody contact.
  7. Lower the vehicle.