You would have to be more specific regarding which filter you are talking about.
How do you change the thermostat in 1999 Mercury Villager
I looked at the Mercury Villager Owner Guides from ( 1996 , 1999 , and 2002 ) With engine oil filter change : Each Owner Guide shows ( 4.2 U.S. quarts )
Right next to and above the oil filter.
Bottom of engine, toward the front, right side of car.
According to the 1999 Mercury Villager scheduled maintenance guide : ( 105,000 miles ) It doesn't hurt to do it sooner since the engine is an interference engine
Yes.
1999 - 2002.
It's underneath the car, roughly under the driver's seat.
It is under the black plastic trim plate under the windshield wipers.
According to the 1999 Mercury Villager Owner Guide : ( 20.0 US. gallons )
near fuel thank
In the engine.