Most of the time the air ride suspensions leak due to an air bag going bad. Though the system is composed of tubes running from an air pump to each aig bag, inspect tubes for leaks and inspect all connections at the pump.
There are several places for an air leak to occur. There is a pump, lines, an accumulator, and the air bags themselves. Check the air bags first as these are moving parts. They will have noticeable cracks.
The rubber that holds the air may be worn out. Or the controlling valves may be damaged. These may caused by usage, extreme temperatures, road conditions, and driving habits. Have your unit checked with a professional air ride mechanic.
