Vehicle recall 78V029000 · February 9, 1978
1974-1977 Mack All W Models
The air reservoir on the involved vehicles may have a design deficiency.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- The air reservoir on the involved vehicles may have a design deficiency. The reservoir may not be strong enough to withstand pressures generated during operation.
- Remedy
- The dealer will replace suspect air reservoirs without charge to owners.
- Notes
- Vehicle description: trucks equipped with an air start system.system: equipment; air reservoir.consequences of defect: should the air reservoir fail, the explosive forcecould propel fragments of the reservoir in all directions, possibly causingserious injury to persons in the immediate area.
Recall details
- NHTSA campaign
- 78V029000
- Reported to NHTSA
- February 9, 1978
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- October 18, 1978
- Vehicles potentially affected
- 268
- Initiated by
- the manufacturer
- Components
- Unknown or other
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack All W Models (1974-1977): 1977, 1976, 1975, 1974
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.