According to the Owners Manual, 5w-20.
See "Related Questions" below for online Owners Manuals / free downloads from Ford.
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According to the 2005 Ford Freestar Owner Guide ( Motorcraft FL-400-S ) engine oil filter
On a 2005 Ford Freestar : The ELECTRIC fuel pump is INSIDE the fuel tank . It is installed through an access hole on the top of the tank
On
According to the 2005 Ford Freestar Owner Guide : The gas tank holds ( 26.0 US. gallons / 98.4 litres )
In a 2005 Ford Freestar : Both the 3.9 litre V6 engine and the 4.2 litre V6 engine have a timing CHAIN
For a 2005 Ford Freestar ( 5W-20 ) According to the Owner Guide : With engine oil filter change : Both the 3.9 and the 4.2 liter V6 engines take ( 5.0 U.S. quarts of 5W-20 )
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