Vehicle recall 90V139000 · August 1, 1990
Mack MS250 and MS300
Capscrew that attaches steering gear to the steering bracket may loosen and cause the gear to separate from its supporting bracket.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Capscrew that attaches steering gear to the steering bracket may loosen and cause the gear to separate from its supporting bracket.
- Consequence
- This could affect steering control and result in anaccident.
- Remedy
- Properly torque capscrews.
- Notes
- System: power steering gear mounting.vehicle description: heavy duty trucks with sheppard 292 S6 power steering gear.
Recall details
- NHTSA campaign
- 90V139000
- Reported to NHTSA
- August 1, 1990
- Filed by
- RVI INC.
- Owner notification
- January 9, 1991
- Vehicles potentially affected
- 2,135
- Initiated by
- the manufacturer
- Components
- Steering › 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 MS250 (1989-1990): 1990, 1989
- Mack MS300 (1989-1990): 1990, 1989
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.