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.

Rear Suspension Cradle - Remove - Rear Suspension Cradle Replacement (Blackwing) , or Rear Suspension Cradle Replacement (Non Blackwing)
With the aide of an assistant, position the rear suspension cradle on a suitable work bench.
Courtesy of GENERAL MOTORS COMPANY

NOTE:
The rear suspension cradle mount MUST be installed in the correct orientation with cut-out facing the rear of the vehicle as indicated by the arrow.

Note the position of the rear suspension cradle mount (1) for correct installation.
Courtesy of GENERAL MOTORS COMPANY

NOTE:
When cutting the mount, hydraulic fluid may flow out of the mount.

Using an appropriate tool, cut around the inside of the rear suspension cradle mount starting at the arrows, then remove the center portion of the mount.
Collapse the remaining portion of the rear suspension cradle mount (1) and remove it from the rear suspension cradle.