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Removal Procedure

WARNING:

Protective Goggles and Glove Warning

WARNING:

Exhaust Service Warning

  1. Remove Heated Oxygen Sensor Replacement - Sensor 1
  2. Remove Heated Oxygen Sensor Replacement - Sensor 2
  3. Remove Catalytic Converter Heat Shield Replacement 
  4. Raise and support the vehicle. Lifting and Jacking the Vehicle
    5. Fig 1: Exhaust Front Pipe, Nuts And Gasket
    GM4091135Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Do not bend the exhaust flex pipe more than 10 degrees in any direction. Bending of more than 10 degrees or twisting in a range of ±0.5 degrees will damage the exhaust flex decoupler.

  5. Remove Exhaust Front Pipe Nut (3)
  6. Remove Exhaust Front Pipe (2)
  7. Remove and DISCARD the gasket.(1)
    8. Fig 2: Catalytic Converter Bracket Nut And Bolt
    GM4091332Courtesy of GENERAL MOTORS COMPANY
  8. Remove Catalytic Converter Bracket Nut (2)
  9. Remove Catalytic Converter Brace Bracket Bolt (1)
    10. Fig 3: Catalytic Converter And Catalytic Converter Rear Heat Shield
    GM4091351Courtesy of GENERAL MOTORS COMPANY
  10. Lower the vehicle.
  11. Remove Catalytic Converter Nut (4) and DISCARD
  12. Remove Catalytic Converter (3) & Catalytic Converter Bracket (6)
  13. Remove Catalytic Converter Rear Heat Shield Bolt (2)
  14. Remove Catalytic Converter Rear Heat Shield (1)
  15. Remove the catalytic converter gasket.(6)
    16. Fig 4: Catalytic Converter, Bracket And Nuts
    GM4091353Courtesy of GENERAL MOTORS COMPANY
  16. Remove Catalytic Converter Brace Bracket Nut (3)
  17. Remove Catalytic Converter Bracket (2) @Catalytic Converter (1)
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