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HOMESERVICE MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 291 (ENGINE EXHAUST SYSTEM)REPAIR INSTRUCTIONSCATALYTIC CONVERTER HEAT SHIELD REPLACEMENTINSTALLATION PROCEDURE
2006 Buick Terraza CXL, 3.5 L, AWD

Installation Procedure

2006 Buick Terraza CXL, 3.5 L, AWDSECTION Installation Procedure
WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the catalytic converter heat shield to the underbody.
    Fig 1: View Of Catalytic Converter Heat Shield
    GM1553100Courtesy of GENERAL MOTORS CORP.
  2. Install NEW catalytic converter heat shield rivets.
  3. Install the HO2S wiring harness from the clips on the catalytic converter heat shield.
    Fig 2: View Of Bank 2 Sensor 2 Electrical Harness Connector
    GM1553099Courtesy of GENERAL MOTORS CORP.
  4. Install the catalytic converter. Refer to Catalytic Converter Replacement (RPO LS4)  or Catalytic Converter Replacement (RPOs LZE/LZ4/LZ8) .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.