Table 1 shows five common power train related problems of the 2011 GMC Sierra 1500. The number one most common problem is related to the power train (14 problems). The second most common problem is related to the differential unit (three problems).
| Problem Category | Number of Problems |
|---|---|
| Power Train problems | |
| Differential Unit problems | |
| Automatic Transmission problems | |
| Vehicle Shudder problems | |
| Transmission Shudder problems |
Vehicle experienced a catastrophic mechanical failure characterized by a percussive "shotgun blast" noise from the rear chassis, followed by an immediate, total loss of braking power (pedal to the floor) and a violent loss of directional stability. Read details...
Differential makes cracking noise, lum bar on drivers seat doesn't inflate, Read details...
The contact owns a 2011 GMC Sierra 1500. The contact was driving up an incline approximately 5 mph and plowing snow in a residential driveway. When the contact shifted into reverse, the vehicle began to roll forward and the engine stalled. Read details...