1993 MACK CH Recall - Campaign #93V024000

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1993 MACK CH RECALL - #93V024000

RECALL FOR TRAILER HITCHES

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

Information provided by the National Highway Traffic Safety Administration.

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Vehicle 1993 MACK CH Manufacturer MACK TRUCKS, INCORPORATED Manufactured between 1/1/1900 - 1/1/1900 Recalled on 3/25/1993 Influenced by MACK TRUCKS, INCORPORATED Owners Notified on 3/24/1993 # Affected 4,924 Recalled for TRAILER HITCHES Description THE CARRIER YOKE BOLTS WERE MANUFACTURED WITH WORN ROLLING THREAD DIES, CAUSING STRESS CONCENTRATIONS WHICH CAUSED CRACKS DURING THE QUENCHING PROCESS. Consequences THIS CONDITION CAN CAUSE BOLT FAILURE AND ALLOW THEDRIVELINE TO SEPARATE FROM THE CARRIER ASSEMBLY. Corrective action REPLACE THE CARRIER YOKE BOLTS. Notes SYSTEM: TRAILER YOKE.VEHICLE DESCRIPTION: HEAVY TRUCKS. See also 1993 MACK CH Recall for ENGINE AND ENGINE COOLING, COOLING SYSTEM, FAN 1993 MACK CH Recall for POWER TRAIN, DRIVELINE, CENTER SUPPORT BEARING 1993 MACK CH Recall for TRAILER HITCHES, FIFTH WHEEL ASSEMBLY