Table 1 shows twelve common power train related problems of the 2012 GMC Acadia. The number one most common problem is related to the power train (19 problems). The second most common problem is related to the vehicle shudder (six problems).
Ratle sound in the engine thinking it may be the timing chain. Code p0430 came on stating catalytic converter bank 2 needs replaced. We replaced O2 sensor downstream on bank 2 code was cleared by shop. Read details...
When driving my car and holding the speed at 50-60mph the rpm begin to fluctuate and the car shudders. Also when going up hills it does them same thing and and feels as if it has a harder time shifting. My car only has 97944 miles on it. Read details...
The torque converter is failing per dublin GMC. That is the cause of the stuttering. In addition, the rear lift gate has failed and will not stay open in either power or manuel mode. Apparently my vehicle manufactur date is out side the recall months for this recall (per dublin GMC and self check Read details...