MACK HMM6856S 1976: STEERING:LINKAGES

Make : MACK Model : HMM6856S Year : 1976
Build Dates : 1973-01-01 - 1977-01-01
NHTSA CAMPAIGN ID Number : 78V028000
Date Owner's Notified: 1978-08-14 Date Received by ODI: 1978-02-09 Date Added to Database: 1979-10-12
Manufacturers Involved: Mack Trucks, Inc.
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: STEERING:LINKAGES
Potential Number Of Units Affected : 100
Summary:
      THE STEERING PITMAN ARM IS SUBJECT TO FAILURE AT THE AREA OF THE TRANSITION TO THE ARM OFFSET DUE TO HIGH STRESS CONCENTRATIONS.
Consequence:
     
Remedy:
      DEALER WILL REPLACE THE STEERING PITMAN ARM, STEERING GEAR OUTPUT SHAFT AND STEERING GEAR MOUNTING BRACKET.
Report Initiator: MFR V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      VEHICLE DESCRIPTION: TRUCKS.SYSTEM: STEERING; STEERING PITMAN ARM.CONSEQUENCES OF DEFECT: PITMAN ARM FAILURE COULD CAUSE LOSS OF VEHICLE CONTROLWITHOUT PRIOR WARNING AND A POTENTIAL VEHICLE ACCIDENT.