Vehicle recall 90V010000 · January 23, 1990
1978-1987 Mack Mack
The 7/8 inch spring eye bolts within the spring eye bushing hanger bracket of the rear suspension may fail.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- The 7/8 inch spring eye bolts within the spring eye bushing hanger bracket of the rear suspension may fail.
- Consequence
- The spring could fall onto the road surface, without warning to the driver, and a vehicle crash could occur due to the sudden drag of the spring.
- Remedy
- Replace all 7/8 inch diameter spring eye bolts with 1 inch diameter bolts.
- Notes
- System: suspension; spring eye bolt.vehicle description: heavy duty trucks with ST34 or st 38 rear suspension.
Recall details
- NHTSA campaign
- 90V010000
- Reported to NHTSA
- January 23, 1990
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- September 19, 1990
- Vehicles potentially affected
- 14,800
- Initiated by
- the manufacturer
- Components
- Suspension › Rear › Springs › Leaf spring assembly
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
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.