Removal Procedure

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

Use the J 38778 in order to remove the retainers.
Use 3M Release Agent in order to break the weatherstrip adhesive bond.
Use the J 38778 in order to remove the plastic retainers.
Remove the left door weatherstrip.

Fig 1: Removing Rear Left Door Weatherstrip (E54)
Courtesy of GENERAL MOTORS CORP.
Remove the right door weatherstrip.

Fig 2: Removing Rear Right Door Weatherstrip (E54)
Courtesy of GENERAL MOTORS CORP.