MACK RB 1992: TRAILER HITCHES

Make : MACK Model : RB Year : 1992
Build Dates : 0000-00-00 - 0000-00-00
NHTSA CAMPAIGN ID Number : 93V024000
Date Owner's Notified: 1993-03-24 Date Received by ODI: 1993-02-16 Date Added to Database: 1993-03-25
Manufacturers Involved: Mack Trucks, Inc.
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: TRAILER HITCHES
Potential Number Of Units Affected : 4924
Summary:
      THE CARRIER YOKE BOLTS WERE MANUFACTURED WITH WORN ROLLING THREAD DIES, CAUSING STRESS CONCENTRATIONS WHICH CAUSED CRACKS DURING THE QUENCHING PROCESS.
Consequence:
      THIS CONDITION CAN CAUSE BOLT FAILURE AND ALLOW THEDRIVELINE TO SEPARATE FROM THE CARRIER ASSEMBLY.
Remedy:
      REPLACE THE CARRIER YOKE BOLTS.
Report Initiator: MFR V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      SYSTEM: TRAILER YOKE.VEHICLE DESCRIPTION: HEAVY TRUCKS.