Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Push the weather-strip over the pinch-weld flange.
Close the door.

Fig 1: Installing Auxiliary Weatherstrip
Courtesy of GENERAL MOTORS CORP.