1997 Ford Aerostar Owner's Manual - Page 247

Adding Automatic Transmission Fluid The fluid type is stamped on the dipstick. Before adding any fluid, be sure that the correct type will be used. Add fluid in 1/2 pint (.25L) increments through the filler tube to bring the level to the correct area on the dipstick. If an overfill occurs, excess fluid should be removed by a qualified technician. NOTE: Always dispose of used automotive fluids in a responsible manner. Follow your community's standards for disposing of these types of fluids. Call your local recycling center to find out about recycling automotive fluids. Automatic transmission dipstick Driveline Universal Joint and Slip Yoke The universal joints that come standard with your vehicle do not require lubrication. If your original equipment universal joints are replaced with universal joints equipped with grease fittings, lubrication will be necessary at the intervals shown in the Maintenance Schedule booklet. 248