Since I looked under the car and have found the rear seal leaking on the trans, I'm suspicious of the driveshaft. It's tight in the rear of the trans, and I can't think of anything else that could cause the rear seal to leak. When I get my bike here I'll pull it and have it balanced. I still want to find the vibration damper info though! Looks like that will make a good AIM article since no one seems to have any info on it.
I did have a driveshaft problem like this on my Gremlin. Leaking tail seal too. The issue in this case however was the driveshaft was too short by about an inch, and didn't insert far enough so it wobbled. How the driveshaft was that way I never found out, I just had one made and the vibration and leaks went away.
On April 12, 2005 Ken Ames wrote:
Is it the body droning or is the driveshaft out of balance? ;)
Ken Ames
Quoting farna@xxxxxxx:
I won't have my TSMs and other books for quite a while, so maybe someone here can help me out. At highway speeds I get a "droning" sound in my car. I've converted from torque tube to an open driveshaft (with a Jag rear axle). I recall seeing a vibration dampener for either 66 or 67 cars. I'm thinking 67 since that was the first year of an open driveshaft in the big cars, and I don't recall the problem iwth the torque tube. I'd like some more info on this. I don't have a set of tech service bulletins (TSBs), but the problem and soultion could be listed as early as 65. If someone has any info on this could they send it my way or post here? I would be interested in a dampener if someone has one. I seem to recall one mounting under the car alongside the driveshaft tunnel, and maybe one in the trunk? Of course I have a wagon, so the trunk mounted one might not work -- depends on how it was mounted.
Frank Swygert
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