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...
Fuel system
Mack CHN Fuel System problems by year
0 complaints filed with NHTSA about the Mack CHN's fuel system. Fuel pumps, leaks, injectors, fuel smells, gauges and stalling caused by fuel delivery.
Fuel System complaints by model year
Fuel System recalls
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 trucks, the fuel line crossover bracket may prematurely fail and unexpectedly fall to the road. The location and size of the bracket draws a concern to the bracket being picked up and thrown by the drive axle wheels.
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.
Latest CHN fuel system complaints
No complaints in this area yet.
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