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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 269 (Exhaust System) >> Repair Instructions >> Warm Up Three-Way Catalytic Converter Replacement - Left Side (LT4) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Electrical Connector @ Heated Oxygen Sensor-Bank 1 Sensor 1 - Disconnect - Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
  2. Electrical Connector @ Heated Oxygen Sensor-Bank 1 Sensor 2 - Disconnect - Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
  3. GM5406663Courtesy of GENERAL MOTORS COMPANY

    Exhaust Muffler (1) - Remove - Exhaust Muffler Replacement (LT4) 

  4. GM5867464Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Brace Bracket (3) - Remove - Catalytic Converter Brace Bracket Replacement (LT4) 

  5. GM5868025Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Nut (1) - Remove [3x]

  6. GM5868062Courtesy of GENERAL MOTORS COMPANY

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

  7. Catalytic Converter Gasket (2) - Remove and DISCARD
  8. Transfer components as necessary.
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