Mack Dm Series Recalls & Complaints by Model Year
NHTSA lists 10 safety recalls and 0 owner complaints across 7 model years of the Mack Dm Series (1980–1989).
Pick your Mack Dm Series model year
| Model year | Recalls | Complaints |
|---|---|---|
| 1989 Mack Dm Series | 1 | 0 |
| 1988 Mack Dm Series | 5 | 0 |
| 1987 Mack Dm Series | 4 | 0 |
| 1984 Mack Dm Series | 1 | 0 |
| 1983 Mack Dm Series | 1 | 0 |
| 1981 Mack Dm Series | 1 | 0 |
| 1980 Mack Dm Series | 1 | 0 |
All Mack Dm Series recalls (10)
Every NHTSA safety campaign that lists a Mack Dm Series, most recent first, with the model years each one covers.
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Steering wheel/handle bar (steering)
Steering wheel retaining nuts may have been improperly installed and/or torqued.
Remedy: Renew and retorque steering wheel retaining nuts.
Model years: 1988, 1989
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Hose, piping, and connections (steering)
An incorrect high pressure power steering hose may have been installed.
Remedy: Replace incorrect power steering hoses.
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Springs (suspension)
Dowels may have been omitted during spring cap installation; this would put shear load on the four (4) spring cap bolts.
Remedy: Install the missing dowels to prevent movement between the spring cap and axle housing.
Model years: 1988
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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
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Multiple axle (suspension)
The undersized weld on the rear suspension bracketry attachment can cause bracket failure.
Remedy: Replace any housings that have single pass (undersized) welds on the bracketry attachment.
Model years: 1987
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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
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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
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Linkages (steering)
Cross steering levers may be improperly heat treated and subject to fail during normal operation.
Remedy: Install new, properly heat treated steering lever.
Model years: 1987
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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
-
Seat belts
The involved trucks do not comply with federal motor vehicle safety standard no. 208, "occupant crash protection", in that the extended rider"s seat was not equipped with a seat belt as required.
Model years: 1980, 1981
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.