R134
A 1998 Mercury would use R134a refrigerant.
10w30
A 97 Mercury Villager should use r134a type freon. The valve size is designed so that the r12 fittings cant accidentally be used.
5W-30
A Villager is not equipped with any kind of GPS device.
134 a
Conventional drum brakes.
4F20E four speed automatic.
R134a
A 1998 Jeep uses R134a.
Mercon/Dexron or Mercon VI.
A 1998 Ford Explorer uses refrigerant 134a