1997 Ford Aerostar Owner's Manual - Page 165

If during normal operation the brake pedal seems "low", it may indicate the need for a brake system inspection and/or service. You should have your brakes checked as soon as possible. Occasional brake squeal during light to moderate stops does not affect the function of the brake system and is normal. However, if the squeal becomes louder or more frequent, have your brakes inspected by your dealer or a qualified service technician. RWARNING Modifications to the suspension spring rates and/or vehicle ride height may adversely affect vehicle stopping ability. If Brakes Pull u Check tire pressure. u Perform the self-adjustment procedure described under If Brakes Do Not Grip Well or Pedal is "Low." If pull occurs during the first 500 miles (800 km), make 10 moderately fast stops from 40 mph (65 km/h) and then perform the self-adjustment procedure above. It may be necessary to repeat this operation to properly seat new brake linings and pads. Stopping Distances Stopping distances vary with different loads and driving conditions. Use caution when encountering new conditions and acquaint yourself with vehicle performance. Take full advantage of engine braking power when slowing down. 165