Installation Procedure

Fig 1: View of Auxiliary Weatherstrip

Courtesy of GENERAL MOTORS CORP.

Install the weatherstrip.
Install the top retainer (1), securing the weatherstrip to the body lock pillar.
Working downward insert the next seven retainers to the body lock pillar.
Insert the last remaining retainer, securing the bottom of the auxiliary weatherstrip over the top of the lower rear auxiliary sealing strip.
Working forward along the header, install the weatherstrip onto the flange.