1999-2003 Ford 4.6 & 5.4L Engine Cylinder Head/Gasket Oil Leak

1999-2003 Ford E Series, Expedition, F-150, Super Duty F-Series

2000-2001 Ford Excursion

1998-1999 Lincoln Navigator

Investigation Request to NHTSA - 1/24/05

Ford TSB - 2/6/02

Ford Service Dialogue - 8/03