Mack trucks is recalling certain model year 2002 through 2004 cl, cv, le, mr, rb, rd, and model year 2003 through 2004 dm heavy trucks manufactured from february 1, 2002 through september 30, 2003, equipped with axle beams manufactured by bharat forge. The...
1965-2006 · 33 model years
Mack DM Problems by year
Owners have filed 1 complaints about the Mack DM across 33 model years, and it has 39 recalls. The 2006 has the most complaints once its age is allowed for (1).
- Complaints
- 1
- Recalls
- 39
- Crashes
- 1
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
DM complaints by model year
Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.
Most common DM problems
Mack DM recalls 39
Mack is recalling 10,300 model year 2004 and 2005 cl, cv, dm, le, and rb and model year 2004 rd heavy trucks manufactured from october 1, 2003 through september 30, 2004, equipped with axle beams manufactured by bharat forge. The axle beam may have...
On certain trucks, the bolt that attaches the pitman arm to the steering gear may not be tightened properly.
On certain heavy-duty, class 8 trucks, the lower and upper steering shaft pinch bolts were improperly tightened.
On certain class 8 chassis built with hendrickson lift axles which contained webb brake drums, the brake drums could experience premature crack of the braking surface resulting in reduction or complete loss of braking on that wheel end or loss of brake drum...
Certain trucks fail to comply with the requirements of federal motor vehicle safety standard no. 121, "Air brake systems." The front brake chamber on some 18,000 lb. And 20,000 lb front axle assemblies is too small to meet stopping distance requirements.
Vehicle description: heavy duty trucks equipped with certain meritor-wabco brake system two and four port relay valves. The valve may stick open when a high-pressure application is released.
Vehicle description: class 8 trucks equipped with felsted electronic accelerator pedals. The return springs can break on the accelerator pedals that are equipped with stainless steel or electroplated wire return springs.
Vehicle description: heavy duty trucks built with bendix air abs with an ec-17 1030r electronic control unit (ecu), there have been reports of unwanted abs activation at low speeds caused by 1) chafed abs wheel speed sensor wires on rotating parts or 2) a...
Vehicle description: class 8 heavy duty truck chassis equipped with mack 16,000 lb., 18,000 Lb., Or 20,000 lb. Heavy duty steering axles. The inner wheel bearing cone for the steering axle wheel hub assembly does not properly fit onto the mack steering axle...
These wheels are composed of 2 pieces - a disc and a rim which are normally welded together. These wheels lack the specified fillet welds.
Air system blockage in the air dryer occurs degrading the moisture removing capabilities of the dryer when the vehicle is operated in a cold environment and moisture accumulates and freezes in the air dryer or in the line between the dryer and the air system...
Latest DM complaints
June 19, 2006 at approximately 7:40 am in houston,tx. Unit number 6611 with usdot number 1272448 registered to roy muffitt heavy haulers attempted to pass my vehicle by using the shoulder of the highway and struck my right rear fender. As I pulled off the 610 west to 45 south exist ramp, the driver of the above reference truck drove around me and fled the scene. I drove behind the truck to get the license plate number it became clear to me that the driver was making erratic moves to keep me from getting...
Read the full complaint
information necessary to report him. It was only because of traffic at the 45 and i-10 interchange that I was able to catch up to the truck and get the information referenced above. This incident was reported to the houston police department which produced a hit and run case number, 95062206-q. This driver put his life and others at risk with his driving. The truck did receive damage on the left front bumper. *Nm
Questions about the Mack DM
Which Mack DM years have the most problems?
By the number of complaints owners filed with NHTSA: 2006 (1). Allowing for how long each has been on the road, the 2006 stands out most. Complaint counts also rise with sales, so compare years of the same model rather than different models.
Which Mack DM years have the fewest complaints?
How many recalls does the Mack DM have?
NHTSA lists 39 recalls across all Mack DM model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data