Defect summary
VEHICLE DESCRIPTION: CLASS 8 HEAVY DUTY TRUCKS. THE STEER AXLE WHEEL BEARING JAM NUT LOCK WASHER MAY NOT HAVE BEEN BENT OVER THE JAM NUT AFTER THE WHEEL BEARINGS WERE ADJUSTED.
Consequence
IF THIS CONDITION EXISTS, THE JAM NUT AND WHEEL BEARING ADJUSTING NUT CAN BACK OFF THE SPINDLE ALLOWING THE WHEEL AND THE BRAKE DRUM ASSEMBLY TO SEPARATE FROM THE VEHICLE INCREASING THE RISK OF A VEHICLE CRASH.
Remedy
DEALERS WILL INSPECT THE STEERING AXLE WHEEL BEARING JAM NUT LOCK WASHER TO DETERMINE IF IT IS BENT OVER THE JAM NUT, AND IF NOT, REPAIR AS REQUIRED.
Source: NHTSA ODI recalls file, campaign 97V212000. Text as published by NHTSA.