# Causes of whining when accelerating - 2009 Hyundai Elantra

**URL:** <https://community.cartalk.com/t/causes-of-whining-when-accelerating-2009-hyundai-elantra/134486>\
**Category:** Maintenance/Repairs\
**Tags:** hyundai, elantra\
**Created:** [February 12, 2019, 4:19pm UTC](https://community.cartalk.com/t/causes-of-whining-when-accelerating-2009-hyundai-elantra/134486 "2019-02-12T16:19:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![CharlesLeach](https://avatars.discourse-cdn.com/v4/letter/c/d6d6ee/32.png) [@CharlesLeach](https://community.cartalk.com/u/CharlesLeach)\
**Post date:** [February 12, 2019, 4:19pm UTC](https://community.cartalk.com/t/causes-of-whining-when-accelerating-2009-hyundai-elantra/134486/1 "2019-02-12T16:19:30Z")

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What causes a high-pitched whining sound when accelerating? Is it a serious problem? Transmission?

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [February 12, 2019, 4:32pm UTC](https://community.cartalk.com/t/causes-of-whining-when-accelerating-2009-hyundai-elantra/134486/2 "2019-02-12T16:32:29Z")

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Likely it is a transmission making this noise but it could be other things as well. Alternator maybe.

In any event, if it is a problem, it will get worse, not better.