Express 3500 V8-4.8L VIN V (2005)
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Align the inner and the outer antenna couplings.
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Do not touch the adhesive backing on the antenna coupling.
5. Align the outer antenna coupling to the inner antenna coupling.
6. Press firmly on all 4 corners and on the center of the antenna outer coupling (5) in order to ensure proper adhesion to the rear window (4). Hold
pressure on the outer coupling (5) for 10-30 seconds.
7. Ensure that no gaps occur between the couplings (5,2) and the rear window (4).
8. Keep the vehicle dry. Allow 6 to 8 hours, at 15°C (60°F), for the adhesive to cure after installation.