Depends which engine. The 3.0L Vulcan OHV V6 engine: 4.5 quarts. The 3.0L Duratec DOHC V6 engine: 5.5 quarts.
My wagon says 30psi. This seems right.
The "last" Taurus wagon was produced in December 2004, which would have been a 2005 model year. The Taurus name though was revived after a short retirement, and in the 2008 model year, the "Freestyle" was rebadged as the Taurus X, taking it's place in the lineup as a wagon model.
The 2004 Ford Taurus Owner Guide shows ( 5W-20 ) for the 3.0 liter Vulcan and 3.0 liter DOHC Duratec engines
replace the wiper motor
The 2004 Ford Taurus has 12 valves.
The 2004 Ford Taurus has a V6 engine.
The 2004 Ford Taurus has overhead valves (OHV).
The 2004 Ford Taurus has a 4-speed automatic.
According to the 2004 Ford Taurus Owner Guide : Below and to the left of the steering wheel , by the brake pedal ( it has a cover on it ) Also , the Power Distribution Box ( which is " live " ) is located in the front of the engine compartment , near the battery
The 2004 Ford Taurus is a gas-powered vehicle.
The 2004 Ford Taurus is 16 ft. 5.6 in. (197.6 in.) long.
The height of the 2004 Ford Taurus is 4 ft. 7.5 in. (55.5 in.).