Originally Posted by Marcelo
I'm not an expert but... could it be a front end misalignment?
And it's not so weird that doesn't happen on snowy roads. The poor grip tires have makes them slip and not pulling at all...
Marcelo is more than likely correct ..Your trucks front end needs alignment. I just had mine done @ the Dodge dealers $89.00 also I suggest that you have the tires / wheels rotated and road forced balanced ...Another $ 69.00 ...I dunno what tire size your running but on my Ram 2500 I'm running 50 psi. front and 70 psi rear ..When towing a heavy load I bump it up 10 psi each.