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.

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Disconnect and reposition heated oxygen sensor -sensor 1 electrical connector (1).
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Using the EN-39194 - C Heated Oxygen Sensor Remover/Installer, remove the heated oxygen sensor - Sensor 1 (1).
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Turbocharger Heat Shield Bolt (1) - Remove [3x]
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Turbocharger Heat Shield (1) - Remove
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Catalytic Converter Heat Shield Bolt (1) - Remove [2x]
Catalytic Converter Heat Shield Nut (2) - Remove
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Catalytic Converter Heat Shield (1) - Remove
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Exhaust Pipe Clamp (1) - Loosen
Disconnect the Heated Oxygen Sensor - Sensor 2 electrical connector.
Raise and support the vehicle. Lifting and Jacking the Vehicle
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Catalytic Converter Nut (1) - Remove [2x]
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Separate the exhaust muffler (1) from the warm up three-way catalytic converter and position to the left. Use a suitable strap to hold the warm up three-way catalytic converter (1) in place.
Catalytic Converter Gasket (2) - Remove and DISCARD
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Catalytic Converter Brace Bolt (1) - Remove
Lower the vehicle.
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Catalytic Converter Brace Bolt (1) - Remove
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Warm Up Three-Way Catalytic Converter (1) - Remove
Catalytic Converter Gasket (2) - Remove and DISCARD
Raise the vehicle.
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Exhaust Pipe Clamp (1) - Remove and DISCARD
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Catalytic Converter Brace Bracket Nut (1) - Remove [2x]
Catalytic Converter Brace Bracket (2) - Remove