MACK DM 1974: STEERING: STEERING WHEEL/HANDLE BAR

General Information

NHTSA Campaign ID Number: 79V134000

Make Model Year
MACK DM 1974
Date Owners Notified Date Received by ODI Date Added to Database
1979-11-10 1979-05-30 1979-10-12

Production Dates: 1974-06-01 - 1978-03-01

Manufacturers Involved: Mack Trucks, Inc.

Component: STEERING: STEERING WHEEL/HANDLE BAR

Potential Number Of Units Affected: 64150

Report Initiator: MFR MFR Report

Summary

IN THE INVOLVED TRUCKS IT IS POSSIBLE THE ADJUSTABLE STEERING COLUMN REAR MOUNTING BRACKET COULD FAIL, ALLOWING STEERING WHEEL ASSEMBLY TO FALL DOWN ONTO THE OPERATOR"S LAP.

Remedy

DEALER WILL INSTALL AN ADDITIONAL BRACKET IN THIS AREA TO PREVENT THE STEERING WHEEL FROM DISLOCATING IN THE EVENT OF A BRACKET FAILURE.

Notes

VEHICLE DESCRIPTION: TRUCKS.SYSTEM: STEERING ASSEMBLY; STEERING WHEEL AND COLUMN.CONSEQUENCES OF DEFECT: WHILE STEERING WOULD REMAIN FUNCTIONAL IN THISCONDITION, THE ELEMENT OF SURPRISE TO OPERATOR COULD CAUSE LOSS OF VEHICLECONTROL AND AN ACCIDENT.