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
Engine & cooling
Mack CX Engine problems by year
1 complaints filed with NHTSA about the Mack CX's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
| Year | Engine complaints | Crashes | Injuries | Recalls |
|---|---|---|---|---|
| 2005 | 1 | 0 | 0 | 0 |
Latest CX engine complaints
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