GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear quarter window. Refer to Quarter Window Replacement in Body Rear End.
  2. Fully open the sliding rear door.

  3. Object Number: 320088  Size: SH
  4. Use a heat gun in order to heat the sliding door auxiliary weatherstrip. Keep the heat gun 150 mm (6 in) from the surface. Use a circular motion while applying heat for about 30 seconds.
  5. Use a flat-bladed tool in order to peel the sliding door auxiliary weatherstrip from the panel surface. DO NOT damage the paint.
  6. Use oil-free naphtha or alcohol in order to clean the body panel.

Installation Procedure

  1. Use a heat lamp or heat gun in order to warm the body panel to a minimum of 21°C (70°F).
  2. Peel the backing from the front end of the sliding door auxiliary weather strip. DO NOT touch the adhesive backing.

  3. Object Number: 320088  Size: SH
  4. Press the auxiliary weatherstrip to the body.
  5. Hand roll the rear side door auxiliary weatherstrip to the body in order to ensure proper adhesion.
  6. Install the rear quarter window. Refer to Quarter Window Replacement in Body Rear End.