NHTSA Recall 93V024000

Filed by Mack Trucks, Inc.. Component: Trailer Hitches. Reported 1993-02-16. An estimated 4,924 vehicles are affected. Recall repairs are free at any authorized dealer.

Defect

THE CARRIER YOKE BOLTS WERE MANUFACTURED WITH WORN ROLLING THREAD DIES, CAUSING STRESS CONCENTRATIONS WHICH CAUSED CRACKS DURING THE QUENCHING PROCESS.

Risk

THIS CONDITION CAN CAUSE BOLT FAILURE AND ALLOW THEDRIVELINE TO SEPARATE FROM THE CARRIER ASSEMBLY.

What the manufacturer will do

REPLACE THE CARRIER YOKE BOLTS.

Notes

SYSTEM: TRAILER YOKE.VEHICLE DESCRIPTION: HEAVY TRUCKS.

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Vehicles covered by this recall