1996 Ford Aerostar Owner's Manual - Page 272

Wiper blade replacement If the wiper blades still do not work properly after you clean them, you may need to replace the wiper blade assembly or the blade element. When replacing the wiper blade assembly, blade refill, or wiper arm always use a Motorcraft part or equivalent. To replace the blades, follow the instructions that come with them. Tires Look at your tires each time you fill your fuel tank. If one tire looks lower than the others, check the pressure in all of them. Always follow these precautions: u Keep your tires inflated to the recommended pressures. u Stay within the recommended load limits (see Load limits in the Index). distributed. u Make sure the weight of your load is evenly u Drive at safe speeds. u Make sure the spare tire is mounted and anchored properly in the tire carrier without contacting functional parts such as brake tubes, fuel lines, exhaust pipes, etc. If you do not take these precautions, your tires may fail or go flat. Ford Motor Company recommends obeying posted speed limits. 294