Ford 2003 Mustang Workshop Manual page 3782

13. Remove the cowl grille.
14. Using a soft brush or vacuum, clean any dirt or foreign material from the pinch weld.
15. CAUTION: Cover the instrument panel to prevent possible damage.
CAUTION: Care must be taken to prevent scratching the pinch weld.
NOTE: Lubricate the existing urethane adhesive with water to aid the special tool while cutting.
Using the special tool, starting at the top center of the windshield cut the urethane adhesive
from the windshield glass and work down the sides.
16. Using the special tool, distance the windshield glass from the body.