According to the 2004 Ford Taurus Owner Guide :
With engine oil filter change :
--------------------------------------------------------------------------------------------------
The 3.0 litre " Vulcan " V6 engine and its flex fuel version take ( 4.25 litres /
4.5 U.S. quarts of 5W-20 engine oil )
---------------------------------------------------------------------------------------------------
The 3.0 litre " Duratec " Dual Over Head Cam , V6 engine takes ( 5.7 litres /
6.0 U.S. quarts of 5W-20 engine oil )
The 2004 Ford Taurus Owner Guide shows ( 5W-20 ) engine oil for both 3.0 liter engines ( " Vulcan " and " Duratec " )
Motocraft Oil Filter
5000
The oil pump is bolted to the bottom of the engine , INSIDE the oil pan
According to the 2008 Ford Taurus owner Guide : With engine oil filter change : The 3.5 , V6 engine takes ( 5.5 U.S. quarts of 5W-20 )
The 2004 Ford Taurus Owner Guide shows ( 5W-20 ) for the 3.0 liter Vulcan and 3.0 liter DOHC Duratec engines
A 2004 Ford F250 6.0 diesel takes 15 quarts of motor oil.
The 1997 Ford Taurus owners manual shows : for the 3.4 L - SHO engine 6.5 quarts ( 6.1 liters ) WITH FILTER CHANGE
6 Qts
According to the 2004 Ford Crown Victoria Owners Guide : With engine oil filter change : ( 6 quarts / 5.7 liters of engine oil )
5 quarts
For the 3.0 engine it is 4.5 quarts.