According to the 1998 Ford Expedition Owner Guide ( 5W-30 ) * with engine oil filter change , 6.0 U.S. quarts of 5W-30 engine oil
The 2000 Ford Expedition Owner Guide shows ( 5W-30 )
ph3506
According to the 2001 Ford Expedition Owner Guide ( 5 w 20 )
Should be marked on the oil fill cap
The 1999 Ford Expedition owners manual shows ( 5 W - 30 ) engine oil
5w30
5 w 30 , according to the Owner Guide
Check owner manual for correct oil
5w30
According to the 2001 Ford Expedition Owner Guide ( 5W-20 ) * with engine oil filter change , 6.0 U.S. quarts of 5W-20 engine oil , for the 4.6 and the 5.4
The same way you change the oil on any vehicle. Drain the oil, change the filter, and add the correct amount of oil and the correct weight.