THE FOUR U-BOLTS NUTS ON EITHER SIDE OF THE REAR AXLE WERE UNDER-TORQUED.
VEHICLE USAGE COULD CAUSE THE NUTS TO LOOSEN AND EVENTUALLY FALL OFF THE U-BOLT. THIS COULD RESULT IN SUDDEN LOSS OF VEHICLE CONTROL INCREASING THE POTENTIAL FOR A VEHICLE CRASH.
DEALERS WILL CHECK THE U-BOLT NUT TORQUE AND RE-TORQUE ANY LOOSE U-BOLTS TO SPECIFICATION.