Steering: gear box (other than rack and pinion)Recall 83V-101 · Mack vehicles
MACK TRUCKS, INCORPORATED recall 83V-101 covers 1,486 Mack vehicles for a steering: gear box (other than rack and pinion) problem, reported to NHTSA on September 27, 1983.
Source: NHTSA recall 83V101000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
BOLTED INSTALLATION OF THE STEERING GEAR HOUSING HAS A TENDENCY TO LOOSEN IN SERVICE. THIS IS DUE TO A BACKWARD INSTALLATION OF THE LOCKWASHERS, WHICH ARE BELLVILLE TYPE, AND A RESULTANT INCORRECT TORQUE ON THE BOLTS.
The fix
ALL RECALLED VEHICLES WILL HAVE BELLVILLE TYPE LOCKWASHERS AT STEERING GEAR HOUSING ATTACH POINTS REPLACED WITH STANDARD SPLIT-TYPE LOCKWASHERS.
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: STEERING SYSTEM; STEERING GEAR MOUNTING HARDWARE.CONSEQUENCES OF DEFECT: LOOSENING OF THE STEERING GEAR HOUSING MAY RESULT INERRATIC STEERING AND POSSIBLY AN ACCIDENT.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from October 1, 1982 to August 1, 1983. Not every vehicle in these model years is included; check by VIN.