Vehicle recall 88V161000 · October 18, 1988
Mack DMM Series, R Series and 2 more models
Certain engine support castings were produced with faulty metallurgy and could fail.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Certain engine support castings were produced with faulty metallurgy and could fail.
- Consequence
- Failure of one or both brackets could cause dislocationof engine and transmission assembly, which could result in truck disablement,possible loss of accelerator control and an accident.
- Remedy
- Replace rear engine supports as necessary.
- Notes
- System: engine rear supports.vehicle description: heavy duty trucks.
Recall details
- NHTSA campaign
- 88V161000
- Reported to NHTSA
- October 18, 1988
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- October 7, 1988
- Vehicles potentially affected
- 408
- Initiated by
- the manufacturer
- Components
- Engine and engine cooling › Engine
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack DMM Series (1988): 1988
- Mack R Series (1988): 1988
- Mack RD Series (1988): 1988
- Mack RM Series (1988): 1988
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.