Mustang V6-232 3.8L (1985)
Figure 17
6.
Remove the striker plate cover or "A" cap located at the top of the "A" pillar.
Figure 18
7.
Pull the weatherstrip out of the "A" pillar retainer to the joint between the door upper and lower weatherstrips.
If the weatherstrip joint is located at a new location, refer to the door lower weatherstrip replacement procedure.
Figure 11
Be sure to remove the old push pins in the "A" pillar and seal the holes with Silicone Rubber Adhesive/Sealant (D6AZ-19562-B).