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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Exhaust System) >> Repair Instructions >> Catalytic Converter Brace Replacement (L3B) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.

WARNING:

Avoid contact with HOT components. Wear safety glasses and protective gloves to avoid personal injury.

  1. GM5571392Courtesy of GENERAL MOTORS COMPANY

    Disconnect and reposition heated oxygen sensor -sensor 1 electrical connector (1).

  2. GM5310575Courtesy of GENERAL MOTORS COMPANY

    Using the J-39194 - C  Heated Oxygen Sensor Remover/Installer, remove the heated oxygen sensor -sensor 1 (1).

  3. GM5309985Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Heat Shield Bolt (1) - Remove [3x]

  4. GM5309997Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Heat Shield (1) - Remove

  5. GM5310138Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Heat Shield Bolt (1) - Remove [2x]

  6. Catalytic Converter Heat Shield Nut (2) - Remove
  7. GM5310178Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Heat Shield (1) - Remove

  8. Disconnect the heated oxygen sensor -sensor 2 electrical connector.
  9. GM5310863Courtesy of GENERAL MOTORS COMPANY

    Exhaust Pipe Clamp (1) - Loosen

  10. Raise and support the vehicle. Lifting and Jacking the Vehicle
  11. GM5309188Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Nut (1) - Remove [2x]

  12. GM5571413Courtesy of GENERAL MOTORS COMPANY

    Separate the exhaust muffler (1) from the warm up three-way catalytic converter and position to the left.

  13. Catalytic Converter Gasket (2) - Remove and DISCARD
  14. Lower the vehicle.
  15. GM5310876Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Brace Bolt (1) - Remove

  16. GM5310881Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Brace Bolt (1) - Remove

  17. Raise and support the vehicle.
  18. GM5525783Courtesy of GENERAL MOTORS COMPANY

    Warm Up Three-Way Catalytic Converter (1) - Remove

  19. Catalytic Converter Gasket (2) - Remove and DISCARD
  20. GM5393690Courtesy of GENERAL MOTORS COMPANY

    Exhaust Pipe Clamp (1) - Remove and DISCARD

  21. GM5311061Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Brace Bracket Nut (1) - Remove [2x]

  22. Catalytic Converter Brace Bracket (2) - Remove
  23. GM5311076Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Brace Bracket Bolt (1) - Remove [2x]

  24. Catalytic Converter Brace Bracket (2) - Remove