What type of oil is used in a 1990 ford aerostar?
The 1990 Ford Aerostar's recommended oil type depends on the engine it has. The Aerostar came with either a 3.0L V6 or a 4.0L V6. Both generally called for SAE 10W-30 motor oil, but always check your owner's manual for the precise recommendation. The manual will also specify whether it needs to be an energy conserving oil (often indicated by a starburst symbol on the bottle). Using the wrong viscosity can damage your engine.