Removal Procedure

Open the liftgate.
Courtesy of GM

Remove the bottom metal clip (1) at the end of the liftgate strut (2).
Liftgate Strut (2) - Reposition
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NOTE:
Component removed for graphic clarity.

Using the appropriate tool, release the tabs on the back body opening side center gutter.
Courtesy of GM

NOTE:
Component removed for graphic clarity.

Back Body Opening Side Molding Bolt (1) - Remove
Release the 4 back body opening side gutter retainers and remove the back body opening side gutter (2).