High Pressure Oil System (F-Super Duty/Excursion - Early Build)

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2004 Ford RV Cutaway, 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, and 2004 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying High Pressure Oil System Components (F-Super Duty/Excursion - Early Build)

Courtesy of FORD MOTOR CO.

Cracked/broken check valve and fitting in high pressure oil rail, under either valve cover.
Disconnected high pressure hoses under the valve covers.
Standpipe from high pressure hose to tappet gallery (O-ring at the bottom may be cut/torn or missing).
O-ring in-between discharge tube and high pressure pump.
O-ring around discharge tube that fits inside high pressure pump cover.
High pressure inlet O-ring.
Branch tube from high pressure pump to stand pipe in tappet gallery.