Thanks guys, I will try another set of rims and tires then back to the dealer; dealer said was fixed last time - that this is normal for these trucks to have this harshness on accelleration. Thanks
That is what I suggested to the dealer and they said they checked - another thought was a tooth missing on the crown? but there is no whine and the harshness is not there under coasting
I have an 08 GMC 2500hd that is all stock including the tires, with 20,000k and about 1000k ago, I notced that under light to moderate acceleration, there was a roughness like a u joint was gone - this starts at 40 and seems to end around 100k. Tires have been rebalanced, driveshaft replaced at...