With AC pressure gauges and manifold assembly. This is best done by a professional.
The first thing that you need to check will be the freon level in the system and work your way from there.............
probably r134a, but check with your manual.
Where does freon go in a 2003 Honda accord
Check the door relay and wiring on the Windstar. Check the fuses under the dash, and in the under the hood distribution box as well.
The battery group is 65N for a 2003 Ford Windstar
On a 2003 Ford Windstar : The cargo area is behind the rear seat
exactly where is of 02 oxigen sensor the ford windstar 2003
See "Related Questions" below for lots of information about Windstar alternators, but no diagrams. For those, check Autozone.com's free Repair Guide, or a printed manual at the library.
First check to see if the system has freon in it and if not then you have a leak but if it does then you will need to check the electrical for the a/c system.......
The 3.8 liter V6 engine in a 2003 Ford Windstar has a timing CHAIN
The last model year of the Ford Windstar was ( 2003 )
Check the coolant level. check the radiator fans.