DEFECT #1 - SUSPENSION: REAR: SPRINGS: LEAF SPRING ASSEMBLY: LEAF

Description
The involved vehicles have torque reaction leaves which are separated on one side of the rear suspension.  Under severe conditions this separated torque reaction leaf will overstress the reaction leaf on the other side of the rear suspension.

Consequence


Corrective Action
Dealer will inspect and replace left and right torque reaction leaves with modified design leaves at no cost to owner.

Notes
Vehicle description: trucks & truck tractors.system: suspension; torque reaction leaf.consequences of defect: if this condition exists, continued operation couldcause the remaining torque reaction leaf to deteriorate.  This could lead todeflection of the rear axle, possibly resulting in loss of vehicle control andan accident.

DEFECT #2 - SERVICE BRAKES, AIR: SUPPLY: HOSES, LINES/PIPING, AND FITTINGS

Description
The involved vehicles have air brake hoses which fail to meet the adhesion requirements of federal motor vehicle safety standard no.  106, brake hoses.

Consequence


Corrective Action
Dealer will replace with improved brake hoses and will rotate the foot brake valve 120 degrees, free of charge.

Notes
Vehicle description: heavy trucks.system: service brakes; air brake hose.consequences of defect: this condition could cause loss of brake system airpressure and loss of front or rear service brakes.  Also, emergency springloaded rear parking brakes may automatically engage, bringing the vehicle to asudden stop.  In either case, loss of vehicle control and an accident couldresult.note: prior to vehicle repair, driver should check to ensure proper operationof the air brake pressure gauge and warning lights.  Also, the hoses should beinspected for signs of cracking, blistering or separating.  If so, the dealershould be notified immediately.