3rd gen driveline vibration

3rd gen driveline vibration

12-01-2007, 02:52 AM

#1 (permalink)

Alphacowboy

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Join Date: Oct 2004 Location: Lakeville, MN Posts: 1,572

3rd gen driveline vibration

Ok, here is something for you to all chew on. I did search, but all I found was that the dealer supposidly fixed the problem with a new D-shaft. In my case, that just aint going to happen. Heres the deal, I installed 3rd gen AAM axles under my 2000 2nd gen. Front and rear are in, and it drives pretty good. I had the rear all set up and no vibrations. The front however, after I installed the front d-shaft, it vibrites just like a 3rd gen. 60+ Mph, and it starts vibrating. The d-shaft was shortened ~3" to work with my truck (NV4500/NP245DHD) and balanced. The tech said he had no vibrations on the balancer. So... what else is causing this problem? Does anyone know of a fix (other than locking hubs.... trust me, they are next on my list when I get the money saved up) Looking at the setup, I think the problem is that splined yoke plate on the axle end. If the splines are not perfect, and there is any little amount of rust in there, it might not mount perfectly and be slightly off center? What ya think? I would have used the 2nd gen shaft, but I am pretty sure it was bent slightly.

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2000 Dodge Ram 2500 QC 4x4 SWB Cummins with a few goodies
408hp 932ftp @ Hi-Tech Dyno Day Oct 20, 2007 (sold)

2001 Dodge Ram 2500 QC LWB 6spd Cummins

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