1972-1999 · 27 model years
Owners have filed 31 complaints about the Mack Mack across 27 model years, and it has 11 recalls. The 1997 has the most complaints once its age is allowed for (3), while 1991, 1993, 1994 have far fewer than a typical year. The most reported problem area is the wheels & tires, followed by the transmission & drivetrain.
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.
Equipment description: electronic control modules installed on a mack refuse truck. The electronic control module (ecm) in these engines contain a manufacturing defect which results in intermittent electrical contact and causes incorrect electronic...
The 7/8 inch spring eye bolts within the spring eye bushing hanger bracket of the rear suspension may fail.
An incorrect 3/4 inch bolt was installed on rt/rs 450 suspension.
Some air brake hose assemblies may not comply with burst strength requirements of fmvss 106.
The buckle assembly could have a large pawl to base clearance which may not allow the proper engagement of the connector.
Crossmember can be overstressed and can fail, allowing the broken crossmember to protude above the top of the frame and interfere with chassis components.
Front steering knuckle thrust bearing may shatter into pieces due to improper heat treatment. Consequence of defect: failure of the...
The spring eye bolt was not torqued properly and could fail due to the loose fit within the spring eye bushing/hanger bracket. Consequence of defect: the spring could...
Incorrect inner wheel bearings were installed in the rear axles which wears a groove in the spindle due to a poor fit. Consequence of defect: a deep groove...
1999 Mack conventional was westbound when the left front driver wheel became disconnected and traveled across the median barrier wall and struck unit 2. Bf (ohio traffic crash report # 10-0674-90*jb updated 04/22/11 *bf
1988 Mack superliner, right front tire blew out. *Bf the consumer lost control of the semi, drove off the side of the road and struck a guardrail. Ohio traffic crash report # 10-0563-89
On may 15th, 2005, I was involved in an oji due air brake malfunction. I was pumping salt water on to a old mack pump truck; the air lie used to flush the line is the same line used to hold the brakes when the brakes failed to hold rolling back an pinning between a 12inch steel pipe and the rear extension bumper on a 40ton truck with a steel coil hose on my tail bone. The governor failed randomly and was checked despite various relay to the repair personal the problem was not corrected also I would drive other...
equipment where the slack adjuster did not hold and would not be replaced. I could not depend on the brakes to hold on a normal stop. I am under the impression that the mechanics were not certified but, were ex-labor hands doing the repairs. Best to my knowledge, this company continues to "roll down the highways and byways (back roads) in texas. The local dmv over looks these faults during yearly inspection. *Tr
Tl*the contact called in reference to a 1998 mack international (na). While working at r&r sanitation, the contact noticed that some of the company garbage vehicles were unsafe to drive because the tires have not been changed. In addition, there are oil leaks, cracked windshields, and the brakes and drums are never changed. The contact stated that a memo was passed around to all drivers to take a different route so that the ohio department of transportation would not pull them over and inspect the vehicles. The vin and failure mileages were unavailable.
Driver was propelled into the ceiling of the vehicle sustaining injuries after the front tires landed in a deep pothole. *Ph the front wheels had gone into a deep pothole and the impact caused injuries. Neither the seat nor the seat belt stabilized the consumer. *Sc *jb
While traveling on the ohio turnpike the right rear tires on the 3rd trailer (2002 stow trailer #398569)caught on fire. Vehicle was driven to the outside berm, trailers detached before being engulfed by flames. Damge to entire rear and rear axle was burned.(Ohio traffic crash report #10-90-569) *jg
Across every model year, owners report problems with the wheels & tires (12), transmission & drivetrain (9), brakes (3) most often.
NHTSA lists 11 recalls across all Mack Mack 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
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