According to the 1999 Ford Contour Owner Guide ( for North America )
It came from the factory with a 50 / 50 mix of distilled water and GREEN
color antifreeze ( meeting Ford specification ESE-M97B44-A )
According to the 1997 Ford Contour Owner Guide ( 5W-30 )
R134a
5W-30 ( according to the 1998 Ford Contour Owner Guide )
R134a
read owner's manual
owners manual will tell you
The Owner Guide shows Ford specification ESE-M97B44-A ( that would be the green color universal antifreeze )
Originally it would have come from the factory with GREEN colored antifreeze ( meeting Ford specification ESE-M97B44-A )
DOT 3 that meets Ford specs ESA - M6C25-A
According to the 2000 Ford Windstar owners manual : It came from the factory with a 50 / 50 mix of distilled water and GREEN colored antifreeze ( meeting Ford specification ESE-M97B44-A ) * Ford states to not exceed 60% antifreeze in the mix *
5w30, pick your brand. all are good
On a 1996 Ford Ranger : It came from the factory with a 50 / 50 mix of distilled water and GREEN color antifreeze ( meeting Ford specification ESE-M97B44-A )