The ball joints on a Villager are actually easy, just bolt on parts, the only hard part might be getting the stud separated from the knuckle, but if you're replacing them just use a wedge and it should be easy.
According to one of Fords websites : For a 1994 Mercury Villager , 3.0 liter V6 : The radiator cap is ( 13 PSI )
The fuel pump is located in the tank, and the tank must be removed to access it.
A Villager is not equipped with any kind of GPS device.
The 1994 Mercury Villager has a 3.0 litre V6 engine from the factory : ( it has 6 engine cylinders )
According to one of Fords websites : For the 3.0 litre V6 engine in a 1994 Mercury Villager : ( the spark plugs are gapped at .032 inch )
No, it is not an interference engine.
under the hood
105,000 miles , according to the Gates website ( they make timing belts etc. )
The 3.0 litre V6 engine in a 1994 Mercury Villager has a timing BELT
On the EGR valve assembly.
dash dash
On the brake pedal assembly.