Quote:
Originally Posted by vince
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.
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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.