Installation 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.

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Body Pressure Relief Valve (1) - Install
Press the body pressure relief valve (1) into the quarter panel until the detents lock in place at both the upper, and lower locations.
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Rear Bumper Fascia (1) - Install
Connect the electrical connectors.
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Install the 3 left and right side rear bumper fascia retainer clips (1) onto the rear bumper fascia reinforcement.
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Install the left and right side rear bumper fascia (1) to the rear fascia guides.
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CAUTION:
Refer to Fastener Caution .

Rear Bumper Fascia Screw (1) - Install and tighten [3x] - Fastener Specifications
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Install the left and right side rear fascia bolt (1) and tighten. Fastener Specifications
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Install the left and right side rear bumper fascia bolts (1). Fastener Specifications
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Install and tighten the 4 left and right side rear bumper fascia screws (1). Fastener Specifications
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Install and tighten the 4 left and right rear wheelhouse liner bolts (1). Fastener Specifications