Should be marked on the oil fill cap
6 quarts including filter. recommended weight is 5w30 for all climates.
10w40
The 1999 Ford Expedition owners manual shows ( 5 W - 30 ) engine oil
On a 1997 Ford Expedition : The 4.6 liter V8 engine uses ( 4R70W ) The 5.4 liter V8 engine uses ( E4OD )
In a 2000 Ford Expedition : Either the 4.6 liter / 281 cubic inch V8 engine or the 5.4 liter / 330 cubic inch V8 engine ( from the factory )
4R70W with the 4.6 liter engine E4OD with the 5.4 liter engine
Use 5w30 weight oil only just as recommended in your owner's manual.
According to the ( 1997 ) Ford Expedition Owner Guide : Both the 4.6 liter engine and the 5.4 liter engine take : ( 5.7 liters of engine oil with engine oil filter change )
With engine oil filter change : ( 6.0 quarts / 5.7 liters ) for the 5.4 liter V8 engine in a 1997 Ford Expedition
For a 2000 Ford Expedition : The 4.6 liter V8 engine uses the ( 4R70W ) The 5.4 liter V8 engine uses the ( 4R100 )
If the 4.6 liter is in a Ford Expedition it should be ( 6 quarts ) with engine oil filter change
In the 1997 Ford Expedition , either the 4.6 liter ( 281 cubic inch ) V8 engine or the 5.4 liter ( 330 cubic inch ) V8 engine