The defect
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 remedy
ALL RECALLED VEHICLES WILL HAVE BELLVILLE TYPE LOCKWASHERS AT STEERING GEAR HOUSING ATTACH POINTS REPLACED WITH STANDARD SPLIT-TYPE LOCKWASHERS.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack MS200 | 1982, 1983 |
| Mack MS250P | 1982, 1983 |
| Mack MS300P | 1982, 1983 |
| Mack MS300T | 1982, 1983 |
Components: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack MS200 | 1982 | 0 | 1 |
| Mack MS200 | 1983 | 0 | 1 |
| Mack MS250P | 1982 | 0 | 1 |
| Mack MS250P | 1983 | 0 | 1 |
| Mack MS300P | 1982 | 0 | 2 |
| Mack MS300P | 1983 | 0 | 1 |
| Mack MS300T | 1982 | 0 | 2 |
| Mack MS300T | 1983 | 0 | 1 |
Other steering recalls in 1983
20 of the 140 recall campaigns reported to NHTSA in 1983 concerned the steering; MACK TRUCKS, INCORPORATED filed 245 campaigns in all.
| 83V129000 6 Dec 1983 | WHITE MOTOR CORPORATION |
| 83V127000 2 Dec 1983 | INTERNATIONAL HARVESTER |
| 83V126000 1 Dec 1983 | PACCAR, INCORPORATED |
| 83V122000 23 Nov 1983 | NOLAN COMPANY |
| 83V121000 18 Nov 1983 | MACK TRUCKS, INCORPORATED |
| 83V119000 15 Nov 1983 | CHRYSLER CORPORATION |
| 83V100000 27 Sept 1983 | MACK TRUCKS, INCORPORATED |
| 83V090000 12 Sept 1983 | AMERICAN HONDA MOTOR CO. |
NHTSA recalls (public domain) · all recalls of 1983