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Old Jul 30, 2008 | 10:11 PM
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chieftransam's Avatar
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From: Virginia
Angry aggravating vibration

I've got a custom steel ds to go with my moser 12 bolt and I'm thinking it's causing this annoying vibration. I feel the vibration coming from under the car at 50MPH and up and also when I take it out of gear and let it coast it will still vibrate. I'm thinking it's possibly the driveshaft not being balanced/wrong length or maybe a tranny mount? I just replaced the tranny mount about 2k miles ago with one from energy suspension. Does anyone have any ideas or ways to tell if it's the ds or tranny mount?

I'm already having to replace an axle seal so I figured while I'm under the car I could go ahead and get what I will need to get that vibration fixed and get it over with. Any suggestions/opinions are welcome!

The rear (12bolt/3.73's/true trac) has maybe 2500 miles on it and the ds was put on at the same time.
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Old Jul 31, 2008 | 12:00 AM
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anyone?
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Old Jul 31, 2008 | 12:20 AM
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Check you pinion angle! I re-adjusted mine Monday to see if it would get rid of a very similar vibration and that fixed it; no more vibration!
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Old Jul 31, 2008 | 07:28 AM
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Why do you need an axle seal already? They should last a lot longer than 2500 miles, maybe you have a bent axle, have you checked that?
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Old Jul 31, 2008 | 04:29 PM
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How do you check the pinion angle? I'm hoping that the shop would've installed it correctly!

I need an axle seal because the passenger side is leaking fluid all over my rotor/brakes. have not checked to see if I have a bent axle or not...I haven't even pulled the axle off yet, I just told a my shop that installed it what happened and they said it was an axle leak, so I turned around and ordered the seals and bearings.

Is it possible for the axle to be bent causing the leak and vibration?????
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