According to the 1999 Ford Expedition Owner Guide ( 5W-30 )
According to the 1999 Ford Expedition Owner Guide ( 5W-30 ) * with engine oil filter change , 6.0 U.S. quarts of 5W-30 engine oil
According to the 1999 Ford Expedition Owner Guide : ( 5W-30 engine oil for the 4.6 and 5.4 liter V8 engines ) ( with engine oil filter change , 6.0 U.S. quarts of 5W-30 )
( 5 w 30 ) according to the owners manual
According to the 1999 Ford Expedition Owner Guide : With engine oil filter change : ( 6.0 U.S. quarts / 5.7 litres of 5W-30 ) * 5W-30 is used year round
For the 1999 Ford expedition it is recommended that you use the Ford Premium engine coolant which is green in color. You should not use the Ford extended life engine coolant which is orange in color.
According to the 2002 Ford Expedition Owner Guide ( 5W-20 )
The 1998 Ford Expedition Owner Guide shows ( 5W-30 )
The ( 1997 ) Ford Expedition Owner Guide shows ( 5W-30 )
( 5 W 20 ) - according to the 2005 Ford Expedition owners manual
5 w 20 ( according to the 2001 Ford Expedition owners manual )
( 5W-20 ) is the recommended oil , according to the 2002 Ford Expedition Owner Guide