Air Distribution
WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
A vertical duct (18471) supplies air to the integral headliner air conditioning duct. Airflow is then directed to the passengers through adjustable registers. The heater floor duct (18D352) supplies air to a fixed register which is integral to the side trim panel and directs airflow through the fixed register to the passenger compartment.