The 2004 Ford Expedition has single overhead cam (SOHC).
The 2004 Ford Expedition Owner Guide shows ( 5W-20 )
DOT 3 brake fluid , meeting Ford specification ( ESA-M6C25-A ) according to the 2004 Ford Expedition Owner Guide
r134a for a 2001 Ford Expedition
According to the 1997 Ford Expedition Owner Guide : It came from the factory with a 50 / 50 mix of distilled water and GREEN color antifreeze ( meeting Ford specification ESE-M97B44-A )
The 2001 Ford Expedition has single overhead cam (SOHC).
The 2011 Ford Expedition has single overhead cam (SOHC).
The 2008 Ford Expedition has single overhead cam (SOHC).
The 2014 Ford Expedition has single overhead cam (SOHC).
The 2012 Ford Expedition has single overhead cam (SOHC).
The 2009 Ford Expedition has single overhead cam (SOHC).
The 2005 Ford Expedition has single overhead cam (SOHC).