1996 Ford Aerostar Owner's Manual - Page 291

5. If the power steering fluid is low, add fluid in small amounts, continuously checking the level, until you reach the FULL HOT range. Do not overfill. When you are finished, put the dipstick back in and make sure that it fits snugly. 6. Use only a power steering fluid such as Ford Power Steering Fluid Motorcraft MERCON ATF. If the power steering fluid is low, do not drive your vehicle for a long period of time before adding fluid. This can damage the power steering pump. If you check the power steering fluid when it is cold, make sure that the fluid reaches the FULL COLD range on the dipstick. The reading will only be accurate if the fluid temperature is approximately 50 to 85˚F (10 to 30˚C). NOTE: Do not turn the steering wheel of your vehicle with the engine off. It could force power steering fluid out from the reservoir cap or in extreme cases, it could unseat the cap. Fuses Fuses and circuit breakers protect your vehicle's electrical system from overloading. If electrical parts in your vehicle are not working, the system may have been overloaded and blown a fuse or tripped a circuit breaker. Before you replace or repair any electrical parts, check the appropriate fuses or circuit breakers. The following charts tell you which fuses or circuit breakers protect each electrical part of your vehicle. If a fuse blows or a circuit breaker opens a circuit, all the parts of your vehicle that use that circuit will not work. 313