Ford 5.0L Secondary Air System Diagram - Air Pump, Resonator, Silencer/Filter

This document is an annotated line-drawing schematic titled "5.0L Secondary Air," showing the secondary air injection (Thermactor) system components on a Ford 5.0L V8 engine. The illustration depicts the front of the engine with the following labeled components: the dual air control solenoid valve (mounted at the upper right of the engine), the air pump resonator (a tubular component running across the front of the engine), the belt-driven air pump (lower right, on the accessory drive), and the silencer/filter (lower left, connected via a flexible corrugated hose). The uploader has added annotations in red — a circle around the flexible hose leading to the silencer/filter, a black arrow, and the handwritten question "Where does this hose go?" — indicating the image was posted to a forum or gallery to ask about the routing or connection point of that hose. A reader can learn the identification and relative locations of the main secondary air system components on the 5.0L engine, including how the air pump connects through the resonator and where the silencer/filter and its hose sit relative to the pump. No part numbers, torque specs, or year applicability are stated in the document itself.