I would take it to a competent driveline shop, I had a similar problem and
after spending $400+, it ended up being a mis-aligned transmission. The rear
trans support on a 95 Dak allows for about 1-2" of side-to-side adjustment.
As for the jackstands at 55mph,
Sounds like a submission for the Darwin awards.
Mark Kuzia
flyboy01@mediaone.net
http://people.mw.mediaone.net/flyboy01/home.html
1995 Dakota 13.79 @ 102.45 mph
~360ci, 5-spd, 4.11 LS (8 3/4 [3.90 SG] coming soon)
1994 Dakota 15.36 @ 91.56 mph
~318ci, 5-spd, 3.90 LS (bone stock, no mods)
----- Original Message -----
From: "Ray Sulich" <ray.sulich@snet.net>
To: "Dakota Mailing List" <dakota-truck@buffnet.net>
Sent: Tuesday, May 22, 2001 6:40 AM
Subject: DML: Driveshaft Question
> I had my front axleshaft bearings and seals changed. No more leaks. One
> nagging problem exists. At about 55mph the truck starts to vibrate and it
> increases when I let off the gas. This continues until about 65mph when
it
> smooths out. The shop I had it at thinks the vibration is coming from
> under the cab and seems to be at about the same speed as the driveshaft
(as
> compared to the ~ x4 rate of the wheels). This vibration happens in both
> 2wd and 4wd. The mechanic thinks it is either the front driveshaft
> universal or the drive shaft.
>
> Anyone have any experience with this sort of thing? If so, how do I
> isolate the problem. The mech. suggested putting the truck on jackstands
> and running it at 55 mph. I suppose I could do that but I'd had to launch
> the truck thru the front of my garage.
>
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