if it's fuel injected, the filter is located on left (driver side) frame rail just behind the engine. On a carb model, it's located on the rear of the carb where the fuel line attaches.
Ford Aerostar was created in 1986.
answer for fuel filter. it is under vehicle driver side seating area.
the fuel filter on a 1986 ford ranger is located on the inside of the frame on the drivers side in front of the gas tank.
It should be on the left and to the rear of the engine (as you face it).
The Ford Aerostar is a van that was produced from 1986 to 1997 by the Ford Motor Company. They produced 2,029,577 Aerostar vans in that time. This model was replaced by the Ford Windstar.
According to the Wiki Answers website : The Ford Aerostar was released in 1985 as a 1986 model
Under the van by the left/front tire attached to the inner frame.
Ford Aerostar
It should be located on the drivers side frame rail near the rear of the motor. (This is under the vehicle)
engine numbers are on right side of block under exaust manifold most arostars are 3.0
On a 1997 Ford Aerostar : On the 4.0 liter V6 engine the oil filter is on the passenger side of the engine On the 3.0 liter " Vulcan " V6 engine , it's on the drivers side of the engine
The fuel filter is located just below the drivers door on the frame rail. There are two clamps to pull the filter.