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I have a 2020 V6 nine speed Chevy blazer. The Transmission is very smooth when shifting. However when you decelerate there is a high-pitched whine as the car slows down. Does anybody else hear this?
 

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I have a 2020 V6 nine speed Chevy blazer. The Transmission is very smooth when shifting. However when you decelerate there is a high-pitched whine as the car slows down. Does anybody else hear this?
How cold is it outside? Is the transmission fully warmed up?
When it was -40C and below, it whined until it was fully warmed up.
 

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Discussion Starter #3
I live in Arizona. Temperature is never below freezing and has been in the 70s-80s during the day
 
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