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
2005 Mack CX Engine problems
Owners have filed 1 complaint about the 2005 Mack CX's engine & cooling with NHTSA - 100% of all its complaints, most recently on February 13, 2008. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
- Complaints
- 1
- Recalls
- 0
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Engine complaints
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data