THE INVOLVED VEHICLES MAY HAVE BEEN ASSEMBLED WITH IMPROPERLY MANUFACTURED FRONT SPRING U-BOLTS USED TO SECURE THE FRONT AXLE ASSEMBLY TO THE SPRING. THE FOUR U-BOLTS MAY EXPERIENCE CRACKS AND COULD ULTIMATELY BREAK. SHOULD TWO U-BOLTS ON THE SAME SIDE OF THE VEHICLE BREAK, THE FRONT AXLE WOULD NOT BE RETAINED SECURELY.