Vehicle recall 88V125000 · July 27, 1988
Mack DM Series, DMM Series and 4 more models
Some of the nuts/bolts used to fasten the steering pitman arm may loosen.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Some of the nuts/bolts used to fasten the steering pitman arm may loosen.
- Consequence
- This would allow the pitman arm to come off the steeringgear sector shaft and result in immediate loss of steering control and a vehiclecrash could occur.
- Remedy
- Retorque nuts/bolts where necessary.
- Notes
- System: steering pitman arm.vehicle description: heavy duty trucks.
Recall details
- NHTSA campaign
- 88V125000
- Reported to NHTSA
- July 27, 1988
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- July 20, 1988
- Vehicles potentially affected
- 6,400
- Initiated by
- the manufacturer
- Components
- Steering › Linkages
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack DM Series (1988): 1988
- Mack DMM Series (1988): 1988
- Mack R Series (1988): 1988
- Mack RD Series (1988): 1988
- Mack RM Series (1988): 1988
- Mack U 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.