According to the 1996 Ford Aerostar Owner Guide : ( 5W-30 ) is the preferred oil
10w30
Ford Aerostar
On a 1996 Ford Aerostar , 4.0 liter V6 engine : The oil pressure sending unit for the oil pressure gauge is on the drivers side of the engine below the power steering pump
A 1993 Ford Aerostar would have come from the factory with ( 5W-30 )
five quarts.
5W-30
either out of trans. oil , or tranmission is shot
According to the ( 1996 ) Ford Aerostar Owner Guide : With engine oil filter change : The 4.0 liter V6 engine takes : ( 5.0 U.S. quarts / 4.7 liters ) * 5W-30 is the PREFERRED oil
The 1997 Ford Aerostar oxygen sensor is screwed into the exhaust pipe. It is about even with the rear of the oil pan.
On a 1989 Ford Aerostar : I believe the oil pressure sending unit for the oil pressure gauge on the 4.0 liter EFI , V6 engine is on the drivers side of the engine below the power steering pump
A 1993 Ford Aerostar ( 3.0L and 4.0L V6 engines ) came from the factory with ( 5W-30 )