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Old 02-16-2020, 10:12 AM   #4
900RFWN
 
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Drives: ‘18 ZL1 1LE
Join Date: Mar 2019
Location: Texas
Posts: 155
I had the TSB taken care of at the dealer. They flushed once, tested and flushed again the same visit. It’s been about 6 months and 3000 miles since with no groan so far. Keep taking it back to them. I hate taking vehicles to the dealer but it needs to be documented for warranty purposes. Especially in your case, it’s not sounding too good.
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