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.

Raise and support the vehicle. Lifting and Jacking the Vehicle
Courtesy of GENERAL MOTORS COMPANY

Floor Panel Number 4 Cross Bar Reinforcement Bolt (1) - Remove [6x]
Floor Panel Reinforcement (2) - Remove
Courtesy of GENERAL MOTORS COMPANY

Catalytic Converter Nut (1) - Remove [2x]
Courtesy of GENERAL MOTORS COMPANY

Electrical Connector (1) @ Exhaust Control Valve Actuator - Disconnect [2x]
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Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Left Side (2) - Separate
Exhaust Muffler (1) @ Exhaust Rear Muffler Insulator-Left Side (3) - Separate
Courtesy of GENERAL MOTORS COMPANY

Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Right Side (2) - Separate
Exhaust Muffler (1) @ Exhaust Rear Muffler Insulator-Right Side (3) - Separate
Courtesy of GENERAL MOTORS COMPANY

Exhaust Muffler (1) - Remove
Catalytic Converter Gasket (2) - Remove and DISCARD
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Exhaust Heat Shield Bolt (1) - Remove [6x]
Exhaust Intermediate Underbody Heat Shield (2) - Remove
Courtesy of GENERAL MOTORS COMPANY

Exhaust Heat Shield Bolt (1) - Remove
Exhaust Heat Shield Nut (2) - Remove [3x]
Exhaust Front Underbody Heat Shield (3) - Remove