Quote:
Originally Posted by ski
The reason I asked is that my brother bought a crew cab a year ago or so and is some kinda po'ed about the vibration. They have switched tires, balanced em, different driveshaft, and some rear end gear parts. He bought uniroyals for it out of his pocket. Say's it's better, but still vibrating. He's been on some forum and they figured out that the ones at the time had the tow package and there are different parts in rear end assemblies. He even bought some kinda gel pad and had a shop install it in the drivers seat.
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as far as I know its just the 2014 model years with these issues but I guess any truck could have a similar problem
did he switch rims? because the service manager told me he has seen bad rims sometimes out of round (mostly with the mags) and a regular balance machine cant catch that that's why the need to do the RF balance (road force) see if he can borrow someone elses rims and tires to try out and know for sure if its in the drive train or the tires or rims because GM is clueless to figure out
problems like this, all they know how to do is change parts til they get lucky
RF balance machine looks like a regular balancer but it has a big drum to press down on the wheel to test for being out of round or egg shaped
the only thing they could be talking about is the towing package comes with the locking diferential added that's not on regular trucks so that must be what they are talking about
the ones I read about with the drive shafts or rear ends being an issue is those who had increased vibrations when towing, some to the point of thinking a wheel was loose