Steering: steering wheel/handle barRecall 79V-164 · Mack vehicles

MACK TRUCKS, INCORPORATED recall 79V-164 covers 4,640 Mack vehicles for a steering: steering wheel/handle bar problem, reported to NHTSA on July 9, 1979.

Vehicles repairedNo manufacturer report yet

Vehicles affected4,6406 models

ReportedJul 9, 1979Owners notified Jan 11, 1980

Complaints since0Same system, after the recall

Source: NHTSA recall 79V164000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

The problem

THE FLANGE HEAD PINCH BOLTS USED IN THE YOKES OF THE STEERING SHAFT ASSEMBLIES MAY HAVE BEEN OVERSTRESSED DUE TO THE BOLTS NOT BEING TIGHTENED TO SPECIFICATIONS. AS A RESULT, THE PINCH BOLTS COULD BREAK WHILE IN SERVICE.

What to do

The fix

FLANGE HEAD PINCH BOLTS WILL BE REPLACED WITH STANDARD GRADE 8 FASTENERS WITHOUT CHARGE TO OWNER.

VEHICLE DESCRIPTION: TRUCKS.SYSTEM: STEERING; FLANGE HEAD PINCH BOLTS.CONSEQUENCES OF DEFECT: IF BREAKAGE OCCURS, LOSS OF STEERING CONTROL AND AVEHICLE ACCIDENT COULD OCCUR.

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

6 models

Vehicles in this recall

Mack RL1979

Mack RS1979

Mack RWL1979

Mack RWS1979

Mack WL1979

Mack WS1979

Built from November 1, 1978 to June 1, 1979. Not every vehicle in these model years is included; check by VIN.