Item 3: Heater Control Valve Assembly and Bracket Removal Note
WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the vacuum hose and position the heater control valve and bracket assembly aside.
Fig 1: Disconnecting Vacuum Hose And Position Heater Control Valve