Ford service dept says, "whenever it goes bad." Not a great answer, but the point was that there is no recommended change interval like most cars have for a timing belt.
how to change a thermostat on a 2004 ford expedition
Change clock on 99 expedition
How do you change the antifreeze in a 2004 Eddie Baurer ford Expedition.
how to change spark plugs on a 2001 expedition
no, it won't
Where and how do you find the spark plugs for a 1997 ford expedition?
33-36 psi
You need the user manual as reference when changing the oil pump 5.4 Ford Expedition.
Type your answer here... how much oil in a ford expedition 2006 with oil filter change
Change your plugs.
Are there issues with the electronics?