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2015 Ram 1500 Shimmy

13533 Views 12 Replies 10 Participants Last post by  russrwl
i just bought a new 2015 Ram 1500 diesel. It seems to have a vibration at highway speeds. Not severe but noticeable. Has anyone else experienced this? Looking on one of the forums I see something about a pinion nut. Any help or insight is appreciated.
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I have that also on my 2014. I almost feels like a tire issue, but it goes away when increasing or decreasing throttle. That makes me believe its either engine or transmission. Of course, the dealers all say nothing is wrong...
What is "road force balance"? I've never heard that term. Are we talking spin balancing or something else?

A dealer in Canada diagnosed my shimmy & gave me the TSB for new heads,but the dealer here in the U.S. is not listening. My god these dealers are stupid! How hard is it to fix a customer's vehicle without hassle?
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