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When on the gas hard, around a corner, I’m getting a ratcheting vibration that resonates through the car. Obviously coming from the rear-end. This is of particular annoyance since less then a year ago I dropped a wad of cash having the rear-end rebuilt. Any ideas what's causing this? Any help is greatly appreciated! Thanks much - Yancey
Could be the clutches in the rearend or maybe a u-joint on one of the halfshafts. Does it do it when turning slowly right or left? Maybe they didnt add the lubrication additive to the rearend.
Steve - now that I think about it, I seem to notice it more during turns to the left. Matter of fact..it also seems to be worse on left hand turns, hard on the gas, when the road has a bit bank the wrong way (as in road is a little bit higher on the inside of a left hand turn).
I'll also give the guy that did the work a call and find out if the additive was added.
Had the same problem with my 77 and added the GM Lube . Noise left and even did A high speed auto cross at Mid Ohio Race Course(With Troy Corvette club), The rear end did great.Add the Lube!!!!
About 12 years ago, my 80 did the same thing. I was on a visit to see my dad in Las Vegas and the first day I was there, it started. I took it to 3 places and the trans shop thought it was the trans. (duah). The next guy thought it was the rear end, then I went to the dealer and they said to leave it a few days and they would figure it out. I drove back to Northern California and the next day, I left it at my regular service shop. I got a call within the hour stating that my u-joints in the 1/2 shafts were bad. All were replaced and no more problem. At that time, the car had about 50k easy miles on it.
Good luck.
Last edited by 3rd_Vette; Sep 13, 2006 at 03:11 PM.