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
Remove the rear tire and wheel assemblies. Tire and Wheel Removal and Installation
Courtesy of GENERAL MOTORS COMPANY

Rear Tire Front Air Deflector Bolt- Left Side and Right Side (1) - Remove [4x]
Rear Tire Front Air Deflector- Left Side and Right Side (2) - Remove [2x]
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Rear Wheelhouse Liner Bolt- Left Side (1) - Remove
Underbody Rear Air Deflector Nut- Left Side (2) - Remove [3x]
Underbody Rear Air Deflector Bolt- Left Side (3) - Remove [3x]
Underbody Rear Air Deflector Nut- Left Side (4) - Remove [2x]
Underbody Rear Air Deflector- Left Side (5) - Remove
Courtesy of GENERAL MOTORS COMPANY

Rear Wheelhouse Liner Bolt- Right Side (1) - Remove
Underbody Rear Air Deflector Bolt- Right Side (2) - Remove [3x]
Underbody Rear Air Deflector Nut- Right Side (3) - Remove [3x]
Underbody Rear Air Deflector Nut- Right Side (4) - Remove [2x]
Underbody Rear Air Deflector- Right Side (5) - Remove
Courtesy of GENERAL MOTORS COMPANY

Floor Panel Number 4 Cross Bar Reinforcement Bolt (1) - Remove [6x]
Floor Panel Reinforcement (2) - Remove
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Catalytic Converter Nut (1) - Remove [2x]
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Exhaust Pipe Clamp (1) - Loosen [2x]
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Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Left Side (2) - Separate [2x]
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Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Right Side (2) - Separate [2x]
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Electrical Connector (1) - Disconnect
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Electrical Connector (1) - Disconnect
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NOTE:
The rear bumper fascia is removed for illustration purposes only.

Exhaust Muffler Hanger Bracket Nut (1) - Remove [4x]
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With the aid of an assistant, remove the exhaust muffler (1).
Catalytic Converter Gasket (2) - Remove and DISCARD
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Remove the left side and right side 4 rear spring pins (1).
Rear Suspension Lower Control Arm Cover (2)- Left Side and Right Side - Remove
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Rear Stabilizer Shaft Link Bolt (2) - Remove [2x]
Rear Stabilizer Shaft Link Nut (1) - Remove [2x]
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Rear Stabilizer Shaft Link (1) - Remove [2x]
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Chassis Rear Wiring Harness Clip (1) - Remove
Chassis Rear Wiring Harness - Reposition
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Rear Stabilizer Shaft Clamp Stud (1) - Remove
Rear Stabilizer Shaft Clamp Bolt (2) - Remove [3x]
Rear Stabilizer Shaft Clamp (3) - Remove [2x]
Courtesy of GENERAL MOTORS COMPANY

Rear Stabilizer Shaft (1) - Remove