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Transmission whine deceleration

3509 Views 4 Replies 4 Participants Last post by  Tholt05
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 live in Arizona. Temperature is never below freezing and has been in the 70s-80s during the day
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