Why would white vapor type smoke come from under the hood on the passenger side of the car near where the serpentine belts are located on a Ford Taurus?
Check radiator To try and expand on that thought...
That particular part of the engine has a number of places where the
engine coolant system come together - lots of joints/seams/hoses,
You're going to have to study the area, bright light comes in
handy, to try and "pinpoint" the specific spot the vapor smoke is
coming from. And it's going to a small source since it's
Once you can tell exactly where it originates, there'll be plenty
of detailed help here - like how to change the radiator, waterpump,
thermostat, hoses, etc...