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Old 10-02-2008, 06:59 PM
Roncallo Roncallo is offline
88Black560SL
 
Join Date: Oct 2004
Location: CT
Posts: 3,510
Quote:
Originally Posted by vince View Post
The groan and vibration could be caused by the torque converter lockup clutch. It seems to happen more when the transmission is cold. The dealer did a software update on my 2000 C280 and it helped quite a bit.
That is why I thought it was a clutch. It sound just like the torque converter clutch in my F150 when it went bad but it occurs when the converter should not be locked up so I believe it is some other clutch. I got my ATSG manual today so I will have a good idea of how this thing works shortly. I can already see they had about 4 valve body changes in 1996 alone. Mine is a late 95 production date so that apeares to be troublesome. So there appear to be issues. My reading through the threads points to a new conductor plate.
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