NHTSA Recall 74V134000
Filed by SUPERIOR TRLR WORKS CORP.. Component: Wheels. Reported 1974-08-23. An estimated 19 vehicles are affected. Recall repairs are free at any authorized dealer.
Defect
SUPERIOR TRAILER WORK CAMPAIGN NO N/A.TRAILER.POSSIBILITY THAT THE BACKNUTS THAT ATTACH THE WHEEL STUDS TO THE BRAKE DRUM-HUB ASSEMBLY MAY BEINPROPERLY INSTALLED.THE BACK NUTS ARE OF A SELF LOCKING TYPE HAVING SIXRADIAL SLOTS EXTENDING APPROXIMATELY ONE HALF THE DEPTH OF THE NUT.IFIMPROPERLY INSTALLED THE SLOTTED END WILL BEAR AGAINST THE INSIDE OF THE BRAKEDRUM, AND IF AN EXCESSIVE TIGHTENING TORQUE WERE APPLIED, THE NUT COULD SPREADOPEN AND BREAK LOOSE FROM THE STUD.(CORRECT BY INSPECTING AND REPLACING WITHNEW NUTS INSTALLED PROPERLY).
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