The 5.4 liter 3V engine takes ( 7 quarts with engine oil filter change )
The 4.6 liter engine takes ( 6 quarts with engine oil filter change )
The 2006 Ford Expedition has 24 valves.
According to the 2006 Ford Expedition Owner Guide : The 5.4 litre 3V , V8 engine takes : With engine oil filter change : ( 7.0 U.S. quarts of 5W-20 engine oil )
A 1998 Ford Expedition with the V8 4.6L engine requires 6.0 quarts of oil.
The 2004 Ford Expedition owners manual shows ( 6 quarts ) WITH FILTER CHANGE
A 1997 Ford Expedition 4.6L V8 has an oil capacity of six quarts.
The 2006 Ford Expedition's engine produces 300 hp @ 5000 rpm.
With engine oil filter change ( 6.0 quarts ) according to the 2000 Ford Expedition Owner Guide
( 6 quarts ) with engine oil filter change
6 quarts with filter change
The gas tank on the 2006 Ford Expedition holds 28.0 gal..
( 6 quarts ) with engine oil filter change ( according to the 1998 Ford Expedition Owner Guide )
6 quarts with filter change