Vehicle description: motor homes equipped with american carrier rearsuspension.system: suspension; trailing arm.consequences of defect: rear wheel lock-up will result in loss of vehiclecontrol and, possibly, an accident.note: the danger IS usually preceded by a noticeable lowering of the rear coachon one side or the other. If this occurs, immediately reduce speed and ceasefurther operation of the motorhome until corrective action has been performed.