MACK R 1979: STEERING: STEERING WHEEL/HANDLE BAR

General Information

NHTSA Campaign ID Number: 79V165000

Make Model Year
MACK R 1979
Date Owners Notified Date Received by ODI Date Added to Database
1979-11-28 1979-07-09 1979-10-12

Production Dates: 1979-03-01 - 1979-06-01

Manufacturers Involved: Mack Trucks, Inc.

Component: STEERING: STEERING WHEEL/HANDLE BAR

Potential Number Of Units Affected: 80

Report Initiator: MFR MFR Report

Summary

THE PINCH BOLT HOLE CENTER TO STEERING GEAR INPUT SHAFT ON THE LOWER YOKE DIMENSION EXCEEDS SPECIFICATIONS. IF THE PINCH BOLT BECOMES LOOSE, IT WILL NOT ENGAGE THE STEERING GEAR INPUT SHAFT NOTCH AND THE SHAFT COULD SLIP OFF.

Remedy

THE PROPER STEERING GEAR INPUT SHAFT YOKE WILL BE INSTALLED WITHOUT CHARGE TO OWNER.

Notes

VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH SG46 MANUAL STEERING GEAR.SYSTEM: STEERING; SHAFT ASSEMBLY.CONSEQUENCES OF DEFECT: SHOULD SLIPPAGE OCCUR, LOSS OF STEERING CONTROL AND ANACCIDENT COULD RESULT WITHOUT PRIOR WARNING.