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Suspension 3rd Gen Dodge Ram Suspension Problems and Questions


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  #11  
Old 03-15-2010, 01:19 PM
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Well first off you didn't say what motor you have in your truck. If it is the Hemi 5.7 I can help you, the MDS that is on the 5.7 causes a vibration that travels throughout the entire truck due to the shutting down of 4 cylinders and causing the engine to be out of balance. If you have the 4.7 I would seriously look at the front drive shaft coming off the Transfer case or either the back shaft, when either of those two are out of balance they can vibrate the truck to pieces. Does the vibration seem to get worse when your steady of the gas (lightly pressing the peddle) especially on a level surface?, if so odds are it is one of the three things I mentioned above.
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Old 03-23-2010, 06:32 PM
miroj miroj is offline
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UPDATE. The dealer I was working with could not find the source of the vibration and would not even attempt to Road Force Balance. Stating there was no problem and balancing the wheels would not make a difference. I took the truck to another dealer, explained the issues, they printed out all the work performed and today they called me with a conclusion. They had 7 mechanics drive the truck and concluded they would replace the the drive shaft under warranty. The vibration is gone!!!!
Thanks everyone for your input....
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  #13  
Old 03-23-2010, 07:31 PM
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See told ya it was the drive shaft, those goobers you were dealing with at first all need to go back to school.

Glad you got your truck fixed!!!
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  #14  
Old 03-23-2010, 07:59 PM
erm
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I'm thinking my problem is the driveshaft, too. We've

1. replaced two tires in the rear,
2. done two road force balances,
3. indexed the wheels,
4. checked the wheels for run out looking for a bent wheel, and,
5. rotated rears to front to see if it's still bouncing. No bounce in the front, rear kept bouncing.

I took it to the dealer early last week to have them check it over...the result was "Cannot Duplicate Customer Complaint".

So my trip to SoCal and Arizona has been a bumpy one for sure.

I'm going back to the dealer next week after I get home and, with warm tires so they can't blame those; take the tech for a drive at freeway speeds.

It can't be RPM related. It's gotta be vehicle speed related as it seems to kick in around 60 - 65 mph regardless of RPM. It settles out a bit around 70 but it's still there and damned annoying.
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Old 03-24-2010, 11:48 AM
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Ok for all of you having this same vibration issue get under your truck and look for signs of a weld on the shaft where a weight "USED" to be and that is, was the balance weight or weights. If you find that or lack of odds are there's your problem. They normally use slugs and or large flat washers for balancing the shafts. Good Luck!
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  #16  
Old 03-25-2010, 10:11 AM
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i have a 02 dodge and have a vibration in front end. have changed wheels and tires and shocks and all that and still bounces between 60 and 70 mph. any one know what might be the problem or had a similar problem?
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  #17  
Old 03-25-2010, 02:50 PM
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Good advice, jimbo!
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  #18  
Old 03-26-2010, 03:50 PM
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Bounce deals directly with these things.........Tires #1.....Shocks #2.....Wheels #3.....Brake Rotors #4.....Bearings and Races #5.....Front Drive Shaft #6.....Damaged Hub #7.....Tie Rod End #8.....Control Arm Bushings #9
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  #19  
Old 12-28-2012, 10:57 PM
Bcun10t Bcun10t is offline
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I had a the same issue with a drive shaft before...
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  #20  
Old 01-05-2013, 02:02 PM
drtyjerz drtyjerz is offline
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my rear end bounces pretty good while braking and only around 50mph..
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