1994 and later models use R-134a refrigerant. Previous models used R-12 which by federal law is restricted for sale to the home mechanic. Take any early model cars to a qualified mechanic and have it replaced with R-134a. You can buy a R-134a kit at any parts store and do it yourself. NOTE: Never add more than two cans at home. If the system is still not getting cold (30-40 degrees cooler than outside ambient) it should be taken to a repair shop for proper service and repair.
134-A
134-a
What is the fuel tank capacity of a 1997 Mercury Villager van?
R134
Through the low side A/C port.
4.2 quarts
4.5 quart
1994 Mercury villagers come factory charged with R134a refrigerant. Vehicles built 1993 or prior were charged with R12 for note.
A 97 Mercury Villager should use r134a type freon. The valve size is designed so that the r12 fittings cant accidentally be used.
After looking at the ( 1996 , 1999 , and 2002 ) Mercury Villager Owner Guides : The fuel tank capacity is ( 20.0 U.S. gallons / 75.7 liters )
20 gallons. http://consumerguideauto.howstuffworks.com/2001-mercury-villager-3.htm a simple Google search yields amazing results!
20.0 U.S. gallons ( 75.6 liters )