The Eldorado is shown. The DeVille is similar.

1. Open the door.
2. Remove the windshield pillar garnish molding.
3. Remove the front carpet retainer. Refer to Intermediate Carpet Replacement in Interior Trim.
4. Pull the door opening weatherstrip (1) from the flange (2).

1. Position the alignment mark at the upper rear corner of the door opening.
2. Install the weatherstrip (1) to the flange (2).

Push the weatherstrip (1) until the weatherstrip is fully seated.

3. Install the front carpet retainer. Refer to Intermediate Carpet Replacement in Interior Trim.
4. Install the windshield pillar garnish molding.
5. Close the door.