Vehicle recall 83V101000 · September 27, 1983
Mack MS200, MS250P and 2 more models
Bolted installation of the steering gear housing has a tendency to loosen in service.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- 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.
- Remedy
- All recalled vehicles will have bellville type lockwashers at steering gear housing attach points replaced with standard split-type lockwashers.
- Notes
- 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 details
- NHTSA campaign
- 83V101000
- Reported to NHTSA
- September 27, 1983
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- January 3, 1984
- Vehicles potentially affected
- 1,486
- Initiated by
- the manufacturer
- Components
- Steering › Gear box (other than rack and pinion)
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack MS200 (1982-1983): 1983, 1982
- Mack MS250P (1982-1983): 1983, 1982
- Mack MS300P (1982-1983): 1983, 1982
- Mack MS300T (1982-1983): 1983, 1982
Has your Mack been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.