MACK CF 1981: STEERING: STEERING WHEEL/HANDLE BAR

General Information

NHTSA Campaign ID Number: 85V157000

Make Model Year
MACK CF 1981
Date Owners Notified Date Received by ODI Date Added to Database
1986-08-27 1985-11-26 1985-12-04

Production Dates: 1973-06-01 - 1985-10-01

Manufacturers Involved: Mack Trucks, Inc.

Component: STEERING: STEERING WHEEL/HANDLE BAR

Potential Number Of Units Affected: 143

Report Initiator: MFR MFR Report

Summary

THE SPLINED STEERING SHAFT MAY NOT BE SUFFICIENTLY ENGAGED AS DESIGNED DUE TO INACCURATE DRILLING OF THE HOLES IN THE FRAME TO WHICH THE CAB FRONT MOUNT MEMBER IS BOLTED. UNDER CERTAIN CONDITIONS THE STEERING SHAFT MAY DISENGAGE. CONSEQUENCE OF DEFECT: A JARRING IMPACT MIGHT CAUSE DISENGAMENT OF THE SPLINED SHAFT RESULTING IN LOSS OF STEERING CONTROL AND POSSIBLY AN ACCIDENT.

Remedy

REPLACE SHAFTS WHICH MEASURE UNDER THE MINIMUM ENGAGEMENT DIMENSIONS WITH LONGER SHAFT.

Notes

SYSTEM: STEERING SHAFT. VEHICLE DESCRIPTION: FIRE TRUCKS.