KENWORTH K100 1977: STEERING: STEERING WHEEL/HANDLE BAR

General Information

NHTSA Campaign ID Number: 81V098000

Make Model Year
KENWORTH K100 1977
Date Owners Notified Date Received by ODI Date Added to Database
1981-11-01 1981-08-14 1981-08-27

Production Dates: 1975-01-01 - 1981-06-01

Manufacturers Involved: PACCAR Incorporated

Component: STEERING: STEERING WHEEL/HANDLE BAR

Potential Number Of Units Affected: 9000

Report Initiator: MFR MFR Report

Remedy

DEALER WILL REPLACE THE STEERING ARM AND ADJUST THE PRESSURE SETTINGS PROPERLY AT NO CHARGE TO OWNER.

Notes

VEHICLE DESCRIPTION: CABOVER TRUCKS EQUIPPED WITH ROCKWELL STEERING ARM P/N3133L4978 AND ROSS HFB70 POWER STEERING GEAR.SYSTEM: STEERING; STEERING ARM.CONSEQUENCES OF DEFECT: DUE TO POSSIBLE INCORRECT SETTING OF THE STEERING GEARRELIEF VALVE AND POWER STEERING PUMP PRESSURES, FORCES COULD BE PRODUCED WHICHCOULD FATIGUE OR CRACK THE STEERING ARM. ALSO, SOME OF THE STEERING ARMS MAYHAVE RECEIVED IMPROPER HEAT TREATMENT WHICH COULD CONTRIBUTE TO THE STEERINGARM CRACKING.CONSEQUENCES OF DEFECT: THE DEFECT COULD RESULT IN A BROKEN STEERING ARM, WHICHWOULD CAUSE LOSS OF STEERING CONTROL WITHOUT PRIOR WARNING AND, POSSIBLY, ANACCIDENT.