Mack Rm Series Recalls & Complaints by Model Year
NHTSA lists 6 safety recalls and 0 owner complaints across 4 model years of the Mack Rm Series (1983–1988).
Pick your Mack Rm Series model year
- 1983
- 1984
- 1987
- 1988
| Model year | Recalls | Complaints |
|---|---|---|
| 1988 Mack Rm Series | 4 | 0 |
| 1987 Mack Rm Series | 2 | 0 |
| 1984 Mack Rm Series | 1 | 0 |
| 1983 Mack Rm Series | 1 | 0 |
All Mack Rm Series recalls (6)
Every NHTSA safety campaign that lists a Mack Rm Series, most recent first, with the model years each one covers.
-
Hose, piping, and connections (steering)
An incorrect high pressure power steering hose may have been installed.
Remedy: Replace incorrect power steering hoses.
Model years: 1987, 1988
-
Engine (engine and engine cooling)
Certain engine support castings were produced with faulty metallurgy and could fail.
Remedy: Replace rear engine supports as necessary.
Model years: 1988
-
Wheels
Fasteners that hold the rear wheel to the hub and drum assembly may be improperly torqued.
Remedy: Properly torque rear wheel space fasteners.
Model years: 1987
-
Linkages (steering)
Some of the nuts/bolts used to fasten the steering pitman arm may loosen.
Remedy: Retorque nuts/bolts where necessary.
Model years: 1988
-
Center support bearing (power train)
Clamp plates used between the drive shaft and carrier yokes may crack and could break due to improper heat treatment.
Remedy: Install new clamping plates and capscrews in all locations as needed.
Model years: 1988
-
Steering wheel/handle bar (steering)
Improper steering clamp bolts and torque applied during installation. The bolt could fail, allowing the steering yoke to become loose.
Remedy: Inspection and, if necessary, installation of proper steering shaft clamp bolts tightened to specifications.
Model years: 1983, 1984
Other Mack models
- Mack28 complaints
- Anthem (an)12 complaints
- Granite (gr)9 complaints
- CXU6127 complaints
- Ch6 complaints
- Gu6 complaints
- CH6005 complaints
- Cxu5 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.