By model year
Mack DMM Series complaints by model year
Owner complaints filed with NHTSA, all years filed, by model year.
Source: NHTSA ODI. Complaints are not verified by NHTSA, and NHTSA publishes no sales volumes, so counts are not rates.
Model line
Mack DMM Series
Every Mack DMM Series model year on file, 1980 to 1988. Pick a year for its recalls, investigations, service bulletins and the full text of owner complaints.
Owner complaints, all model years00 involved a crash, fire, injury or death
Model years41980 to 1988
Recall campaigns6Distinct campaigns listing it
Service bulletins88Summed across model years
Components
Complaints by component
Owner complaints across all model years, by component.
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Source: NHTSA ODI complaints file.
Model years
The record for each Mack DMM Series model year
Peer index compares complaints with the median vehicle of the same model year and body class (100 is the median). It corrects for age, not for how many were sold.
| Year | Body | Complaints | Severity index | Peer index | Recalls | Investigations | Bulletins |
|---|---|---|---|---|---|---|---|
| 1988 | Not decoded | 0 | None | None | 5 | 0 | 22 |
| 1987 | Not decoded | 0 | None | None | 1 | 0 | 22 |
| 1981 | Not decoded | 0 | None | None | 1 | 0 | 22 |
| 1980 | Not decoded | 0 | None | None | 1 | 0 | 22 |
Source: NHTSA ODI. Body class from NHTSA's VIN decoder where decoded.
Latest recalls
Recent campaigns covering the Mack DMM Series
- 89V-033 Mar 3, 1989
Dowels may have been omitted during spring cap installation; this would put shear load on the four (4) spring cap bolts
Suspension · 152 vehicles - 89V-032 Mar 3, 1989
Incorrect high pressure power steering hose may have been installed
Steering · 3,127 vehicles - 88V-161 Oct 18, 1988
Certain engine support castings were produced with faulty metallurgy and could fail
Engine and cooling · 408 vehicles - 88V-125 Jul 27, 1988
Some of the nuts/bolts used to fasten the steering pitman arm may loosen
Steering · 6,400 vehicles - 88V-085 May 23, 1988
Clamp plates used between the drive shaft and carrier yokes may crack and could break due to improper heat treatment
Powertrain · 203 vehicles - 81V-085 Jul 8, 1981
Involved trucks do not comply with federal motor vehicle safety standard no. 208, "occupant crash protection", in that the extended rider"s seat…
Seat belts · 22 vehicles
Source: NHTSA ODI recalls file.