Ram bouncing after installing new equipment

rackumrack · Jun 25, 2014

Need some input. I have a 2007 Dodge Ram 1500 2wd quad cab. I have had a bouncing in the rear area when driving above 40 mph. If I get around 55 mph it is terrible. I really feel it in the seat, as well as my passengers. I bought new tires and still have the bounce, replaced the shocks still have the bounce. I have aftermarket wheels but this started with the old set of tires and has continued with new ones. Could it be the brakes/rotors? Suggestions welcomed.

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BigSloth · Jun 25, 2014

You say bounce and I think like someone jumping up and down on the tailgate, is that what you mean? Or is it a vibration? Does it happen all the time or when braking?

rackumrack · Jun 26, 2014

Exactly like someone bouncing on the tailgate

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Redtruck-VA · Jun 26, 2014

Has to be something rotating. I had a vibration like going down a train track and it ended up being hard spots on "new" Dunlop tires. A factory defect on 3 of the four wheels. Could also be a bent drive shaft. I would have the wheels balance a dynamic balancer that can analyze the tire/wheel combination. Not ever shop has one. If that doesn't fix it then I'd put a floor jack under the differential and carefully spin it up and see what is shaking. But my guess is you'll find it in the tires.

rackumrack · Jun 26, 2014

Redtruck-VA said:
Has to be something rotating. I had a vibration like going down a train track and it ended up being hard spots on "new" Dunlop tires. A factory defect on 3 of the four wheels. Could also be a bent drive shaft. I would have the wheels balance a dynamic balancer that can analyze the tire/wheel combination. Not ever shop has one. If that doesn't fix it then I'd put a floor jack under the differential and carefully spin it up and see what is shaking. But my guess is you'll find it in the tires.

I took it to a shop that did the dynamic balance and it has helped tremendously! I still have it at 60 mph and above but I don't travel roads that fast. Thanks for the input! I would love to get all of it out but I guess with aftermarket wheels you have to expect some play.

"Live for something rather than dying for nothing" General George S. Patton

Ram bouncing after installing new equipment

rackumrack

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BigSloth

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rackumrack

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Redtruck-VA

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rackumrack

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