Ford Bronco Gasoline Engine Vacuum Hose Routing Diagram - Hose Colors & Ports

This document is a vacuum hose routing diagram for gasoline engines, showing how vacuum lines connect from a central vacuum manifold (tree) to various components. The manifold receives vacuum from a manifold fitting (vacuum source) via a black hose, near which the Manifold Absolute Pressure (MAP) sensor connects. From the manifold, a pink hose runs to the solenoids, a black hose runs to the vacuum check valve, a black/yellow hose runs to the air cleaner, a black hose runs to the automatic transmission option (C6), a black/brown hose runs to the speed control, a red hose runs to the distributor, and a hose marked black with yellow letters runs to the vacuum brake booster. A note states that the auxiliary heater vacuum motor and water valve are supplied with the auxiliary heater, with or without auxiliary A/C. The diagram uses hose color coding to identify each circuit, making it useful for verifying correct vacuum line routing when diagnosing vacuum leaks, speed control issues, brake booster problems, or transmission modulator (C6) vacuum supply. The document does not state a specific year, model, or engine displacement, only that it applies to gasoline engines.