Vehicle recall 89V032000 · March 3, 1989
Mack DM Series, DMM Series and 5 more models
An incorrect high pressure power steering hose may have been installed.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- An incorrect high pressure power steering hose may have been installed.
- Consequence
- Under certain conditions, hose could fail resulting inloss of power steering assist and possibly an accident.
- Remedy
- Replace incorrect power steering hoses.
- Notes
- System: power steering hose.vehicle description: heavy duty trucks equipped with stratoflex high pressurepower steering hose.
Recall details
- NHTSA campaign
- 89V032000
- Reported to NHTSA
- March 3, 1989
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- October 27, 1989
- Vehicles potentially affected
- 3,127
- Initiated by
- the manufacturer
- Components
- Steering › Hydraulic power assist › Hose, piping, and connections
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 (1987-1988): 1988, 1987
- Mack DMM Series (1987-1988): 1988, 1987
- Mack R Series (1987-1988): 1988, 1987
- Mack RD Series (1987-1988): 1988, 1987
- Mack RM Series (1987-1988): 1988, 1987
- Mack RW Series (1987-1988): 1988, 1987
- Mack U Series (1987-1988): 1988, 1987
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.