copied from the ford workshop manual
Roof Opening Panel Weatherstrip
Removal
NOTE: The roof opening panel must be initialized when repairs are carried out on any part of the roof opening panel, including: whenever the roof opening panel has been removed from the roof opening panel assembly, a new roof opening panel motor/module has been installed, or when a new roof opening panel assembly has been installed. Refer to Roof Opening Panel Motor Initialization in this section.
Remove the roof opening panel. For additional information, refer to Roof Opening Panel in this section.
Place roof opening panel, topside up, on a worktable. Take care to support the glass assembly from below to prevent damaging the mounting tabs.
Remove the old roof opening panel weatherstrip by pulling up on the weatherstrip.
Installation
Place a new weatherstrip into position on the glass assembly, with the splice (seam) on the passenger side.
Starting with the corners, push the weatherstrip into position. Continue pushing the weatherstrip into position around the glass assembly until complete. Use a plastic or rubber hammer if necessary.
Install the roof opening panel. For additional information, refer to Roof Opening Panel in this section.
Adjust the roof panel. For additional information, refer to Roof Opening Panel Alignment — Height Adjustment and Roof Opening Panel Alignment — Horizontal Adjustment in this section.