Depends on your climate. Consult the owners manual.
According to the 2001 Ford Windstar Owner Guide : ( Motorcraft MERCON-V is used in the automatic transaxle / transmission )
A 2001 Ford Windstar is ( r134a ) * in the front of the engine compartment there is an information sticker One of the things it shows is the type of refrigerant used in the air conditioning system
( 5 w 20 ) , according to the Owner Guide
5W-20 , according to the Owner Guide Some people recommend synthetic oil.
R134
( 5W-30 ) is the preferred engine oil , according to the 1996 Ford Windstar Owner Guide
5W-20 ( according to the 2001 Ford Mustang Owner Guide )
( 5W-30 ) for the 3.0 and 3.8 liter V6 engines according to the 1999 Ford Windstar Owner Guide
R-134A
According to the 1998 Ford Windstar Owner Guide : ( 5W-30 ) is the preferred oil for the 3.0 and 3.8 liter V6 engines
yes, same body type
According to one of the Ford websites : For both the 3.0 and the 3.8 liter , V6 engines in a 2000 Ford Windstar : The Motorcraft ( FL-400-S ) engine oil filter is used