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Old 08-29-2023, 12:10 PM   #8
ctrlz


 
Drives: 2017 2SS, 50th pkg, M6, MRC, NPP
Join Date: Jan 2016
Location: Ocean City, NJ
Posts: 3,578
Here's one of the original tech bulletins. the correct term is hygroscopic, not hydroscopic. The clutch slip shudder is exacerbated by the AFM in V4 mode, which has a built-in slip of 10 rpm.
https://gm-techlink.com/?p=11127
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