Stant corporation produces 90% of all original equipment thermostats. Check with the parts house to obtain the proper temperature setting. Each cars thermostat tells the computer when the thermostat opens so in turn the computer will adjust fuel air mixture. This is very critical because if use put one in that opens sooner than required by the computer then the engine will run to rich of a fuel mixture.
10w30
5W-30
A Villager is not equipped with any kind of GPS device.
R134
Conventional drum brakes.
4F20E four speed automatic.
A 97 Mercury Villager should use r134a type freon. The valve size is designed so that the r12 fittings cant accidentally be used.
Mercon/Dexron or Mercon VI.
R-134a is used in all vehicles 1995 and later.
" regular " unleaded , 87 octane ( according to the Owner Guide )
A screwdriver and a 10mm socket wrench.
195 degree.