One problem related to rear air suspension springs has been reported for the 1998 Ford F-150. The most recently reported issues are listed below.
Vehicle description: light duty 4-wheel drive pickup trucks. If the vehicle is overloaded, the rear leaf springs can be overstressed. A fatigue fracture of the spring can occur. The center leaf of the spring can fracture at the forward edge of the spring seat and, in some cases, contact the fuel tank. Consumer has the same problem.