Installation Procedure

2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Installation Procedure
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Catalytic Converter Heat Shield
    GM289491Courtesy of GENERAL MOTORS CORP.
  1. Install the catalytic converter heat shield.
  2. Install the converter heat shield rivets.
  3. Fig 2: Locating Oxygen Sensor Wiring Harness
    GM195267Courtesy of GENERAL MOTORS CORP.
  4. Install the oxygen sensor wiring harness (3) to the catalytic converter heat shield.
  5. Install the catalytic converter. Refer to Catalytic Converter Replacement (RPOs L26/L32)Β  or Catalytic Converter Replacement (LY7)Β .
  6. Remove the support from the exhaust system.
  7. Inspect the exhaust system for leaks and underbody contact.
  8. Lower the vehicle.
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When to See a Mechanic

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

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