Instead of trying to describe the transmission dipstick, and where it's located in your specific vehicle, you're much better off referring to the Owners Manual and the illustrations and expanded information there.
See "Related Questions" below for free Owners Manuals download links.
The 2004 Ford Taurus Owner Guide shows ( 5W-20 ) engine oil for both 3.0 liter engines ( " Vulcan " and " Duratec " )
Motocraft Oil Filter
in the oil filler tube
5000
The oil pump is bolted to the bottom of the engine , INSIDE the oil pan
Motorcraft MERCON - V automatic transmission fluid for the automatic transaxles
The 2004 Ford Taurus Owner Guide shows ( 5W-20 ) for the 3.0 liter Vulcan and 3.0 liter DOHC Duratec engines
there is no oil pressure in my 1997 ford taurus, but the oil is full?
There is no drain plug, you must remove the transmission panThere is no drain plug, you must remove the transmission pan
In a 1995 Ford Taurus : ( 5W-30 is the PREFERRED engine oil for the 3.0 and 3.8 )
According to the 2004 Ford Taurus Owner Guide : With engine oil filter change : The 3.0 liter " Vulcan " V6 engine takes ( 4.5 quarts ) The 3.0 liter " Duratec " V6 engine takes ( 6.0 quarts )
The motor oil that is recommended for a 2000 Ford Taurus is 5W 20. This oil can be purchased at any retail or auto parts store.