Removal Procedure

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Using the appropriate trim tool, remove both windshield wiper arm finish caps (1) from the windshield wiper arms (3).
Windshield Wiper Arm Nut (2) - Remove [ 2x ]
Use the J - 39822 Wiper Arm Puller to remove the wiper arms (3) from the wiper motor pivot shaft.
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NOTE:
Quantity of retainers may vary based on option content.

Apply two layers of masking tape to the painted surface around the top edge of the air inlet grille panel extensions (1) to prevent paint damage.
Using a suitable plastic trim tool, carefully release the air inlet grille panel extension clips.
Air Inlet Grille Panel Extension (1) - Remove [ 2x ]
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Hood Rear Outer Air Inlet Seal Retainer (1) - Remove [ 2x ]
Hood Rear Outer Air Inlet Seal (2) - Remove [ 2x ]
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Air Inlet Grille Panel Retainer (1) - Remove [ 8x ]
Windshield Washer Nozzle Hose - Disconnect [ 3x ]
Lift the front edge of the air inlet grille panel (2) and slide the panel forward from both hood hinges to remove.
Courtesy of GENERAL MOTORS COMPANY

Windshield Wiper System Module Shield (1) - Remove