i have a 2007 ram 1500 5.7L that has a vibration problem. I have put brand new tires on (3days old) checked the u joints they were good. You can feel the vibration at speeds of 50mph to 70mph

Asked by Feb 16, 2016 at 06:45 AM about the 2007 Dodge Ram 1500 SLT 4WD

Question type: Maintenance & Repair

6 Answers

90,815

That is a wide range for a vibration, is it possible that a driveline is out of balance or damaged? Try to isolate where you feel it, front, rear, through the the steering, etc.

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18,230

The u- joints can still be bad and not look bad or like tennisshoes said the drive shaft could be out of balance.

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I fell the vibration in my seat and also in the steering I looked at the u joints last night and one bolt on the 4 bolt drive shaft flang was loose I tighten it up but the vibration is still there is it possible that that flange is bent?

90,815

It would take a lot to bend a flange, but anything is possible, you didn't mention if it was a 4X4 or not so I am going to assume it is just a standard pickup, I suspect that you have a driveline problem, what I would do is block the front wheels and jack up the rear and put on stands, then run a string from the trans output housing to the rear end staying as close to the driveline as possible, the closer the better, put it in neutral and rotate the rear wheels by hand and watch for drive line wobble using the string as a stable reference point, if you see any wobble then you have found your problem the tube is damaged, you can have it retubed or just replace the entire driveline, if you don't see any wobble then it could be out of balance, there is a way to test it but it is dangerous so I would recommend that you take someplace that does driveline balancing. Now I know some of us old school guys would grab a few large hose clamps and balance it ourselves but as I stated that is dangerous if you don't know what you are doing, way too many fast moving componets too get tangled up in. So be careful and be safe.

1 out of 1 people think this is helpful.

2004 dodge 4x4 replaced rear end which the nut came loose on pinion gear,u joint are good replaced front boot drive axles still have a viberation when leaving off the gas and viberation around 60 mph any advise would be helpful Thank you

90,815

If the pinion nut came of the pinion depth isn't set right, are you sure the driveline is straight?

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