Table 1 shows two common engine and engine cooling related problems of the 2015 GMC Sierra 2500. The number one most common problem is related to the engine and engine cooling (six problems). The second most common problem is related to the diesel engine (one problem).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Diesel Engine problems |
Blown head gasket. Engine hydro-locked. Read details...
Duramax diesel engine fuel injection pump broke with no notice while driving causing a total loss of power. Failure repair under warranty required replacement of pump, injectors, lines, filters and flush of fuel tank. Read details...