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 (1) - Remove [2x]
Rear Tire Front Air Deflector- Left Side (2) - Remove
Courtesy of GENERAL MOTORS COMPANY

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

Rear Tire Front Air Deflector Bolt (2) - Remove [2x]
Rear Tire Front Air Deflector- Right Side (1) - Remove
Courtesy of GENERAL MOTORS COMPANY

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

Floor Panel Number 4 Cross Bar Reinforcement Bolt (2) - Remove [6x]
Floor Panel Reinforcement (1) - Remove
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Catalytic Converter Nut (1) - Remove [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

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