Quote:
Originally Posted by ChevyRacefan
Flex plate bolts are loose. Would be my guess.
But how do you know it has no cracks? Doesn't sound like you removed the transmission.
Did a weight spot weld, let go, and weight is causing it.
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I slid the tranny back about 5 inchs and checked the bolts and could have a good look at the flex plate. I also turned the flexplate and had a good look at all the welds. I guess I will remove the flexplate and try a new one. I just couldn,t see any evidence for the noise. I,ve never had this happen in all my 40 yrs. and was thinking I,m missing something so I thought I would use all the combined thinking from this forum. I have all winter but the truck is in a carport and is cold.