MACK DM SERIES 1984: STEERING: STEERING WHEEL/HANDLE BAR

General Information

NHTSA Campaign ID Number: 84V033000

Make Model Year
MACK DM SERIES 1984
Date Owners Notified Date Received by ODI Date Added to Database
1984-11-05 1984-03-22 1984-04-05

Production Dates: 1983-11-01 - 1984-02-01

Manufacturers Involved: Mack Trucks, Inc.

Component: STEERING: STEERING WHEEL/HANDLE BAR

Potential Number Of Units Affected: 4393

Report Initiator: MFR MFR Report

Summary

IMPROPER STEERING CLAMP BOLTS AND TORQUE APPLIED DURING INSTALLATION. THE BOLT COULD FAIL, ALLOWING THE STEERING YOKE TO BECOME LOOSE.

Remedy

INSPECTION AND, IF NECESSARY, INSTALLATION OF PROPER STEERING SHAFT CLAMP BOLTS TIGHTENED TO SPECIFICATIONS.

Notes

VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: STEERING; SHAFT CLAMP BOLTS.CONSEQUENCES OF DEFECT: THIS CAN LEAD TO COMPLETE LOSS OF STEERING CONTROLWITHOUT WARNING AND POSSIBLE VEHICLE CRASH.