Mack is recalling 34,269 my 1999-2005 cx and my 2004-2008 cxn trucks. The headlight switch may prematurely fail resulting in inoperative or intermittent headlights.
1998-2007 · 10 model years
Mack CX Problems by year
Owners have filed 1 complaints about the Mack CX across 10 model years, and it has 25 recalls. The 2005 has the most complaints once its age is allowed for (1). The most reported problem area is the engine & cooling.
- Complaints
- 1
- Recalls
- 25
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
CX 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 CX problems
Mack CX recalls 25
On certain trucks equipped with aset ac model engines, the engine as configured with an external exhaust gas recirculation system makes servicing the fuel injection lines difficult when using traditional tools. Therefore, it is possible for fuel leaks to...
Certain trucks were recalled for the installation of sleeves on the fuel injection line as required by safety recall sc0317 (nhtsa recall no. 06V392). There is a possibility that the new sleeves may chafe the fuel injection line.
On certain trucks, a leak in the aset ac fuel injection line may spray fuel on the exhaust gas recirculation pipes that carry hot exhaust gases .
On certain heavy duty class 8 trucks equipped with holland air suspension systems, a transverse beam casting may fracture under normal loads. If a casting breaks when the vehicle is traveling on a roadway there is the potential for pieces of the casting to...
On certain heavy duty class 8 trucks, there is a slack on the brake assembly's adjuster and it is interfering with the axle housing.
Covers2003 Mack CX
On certain heavy duty class 8 diesel trucks equipped with aset ac engines, the location of the fuel inlet hose may result in overheating or abrasion of the hose, which may lead to a premature failure.
On certain truck chassis, the steering gear mounting bolts were made of inconsistent bolt material, which has led to bolt failures. This inconsistent bolt material condition could result in a failure of a steering gear mounting bolts. The steering gear is...
On certain truck chassis, the steering gear mounting bolts were over-torqued at installation. The steering gear is mounted to the vehicle's frame rail with 3 bolts.
On certain chassis equipped with dana steering axle assemblies. These axles are built with an integral knuckle and steering arm. The steering arm could have longitudinal cracks.
Certain heavy duty vehicles fail to comply with the requirements of federal motor vehicle safety standard no. 121, "Air brake systems." Improper seating of the check valve retainer in the brass fitting housing has occurred. It is possible for the air brake...
On certain heavy duty trucks equipped with jost international jsk 37u series fifth wheels, a fatigue crack can develop in the bracket pin weld under certain loading conditions.
Latest CX complaints
Exhaust manifold bolts coming loose and leaking exhaust gases into the cab of the truck. This is most noticeable when using the heat or ac. Problem was "fixed" in september at mack dealership. In feb it happened again. Mechanic states that he has fixed hundreds and that it will probably happen again. *Tr
Questions about the Mack CX
Which Mack CX years have the most problems?
By the number of complaints owners filed with NHTSA: 2005 (1). Allowing for how long each has been on the road, the 2005 stands out most. Complaint counts also rise with sales, so compare years of the same model rather than different models.
Which Mack CX years have the fewest complaints?
What are the most common Mack CX problems?
Across every model year, owners report problems with the engine & cooling (1) most often.
How many recalls does the Mack CX have?
NHTSA lists 25 recalls across all Mack CX 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