By model year
Mack DM 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 DM Series
Every Mack DM Series model year on file, 1980 to 1989. 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 years71980 to 1989
Recall campaigns10Distinct campaigns listing it
Service bulletins154Summed 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 DM 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 |
|---|---|---|---|---|---|---|---|
| 1989 | Not decoded | 0 | None | None | 1 | 0 | 22 |
| 1988 | Not decoded | 0 | None | None | 5 | 0 | 22 |
| 1987 | Not decoded | 0 | None | None | 4 | 0 | 22 |
| 1984 | Not decoded | 0 | None | None | 1 | 0 | 22 |
| 1983 | 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 DM Series
- 89V-086 May 22, 1989
Steering wheel retaining nuts may have been improperly installed and/or torqued
Steering · 16k vehicles - 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-154 Sep 27, 1988
Undersized weld on the rear suspension bracketry attachment can cause bracket failure
Suspension · 129 vehicles - 88V-153 Sep 27, 1988
Fasteners that hold the rear wheel to the hub and drum assembly may be improperly torqued
Wheels · 19 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 - 87V-179 Nov 23, 1987
Cross steering levers may be improperly heat treated and subject to fail during normal operation
Steering · 323 vehicles - 84V-033 Mar 22, 1984
Improper steering clamp bolts and torque applied during installation
Steering · 4,393 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.