# 2017 Toyota RAV4 - loud knocking when slowing down

**URL:** <https://community.cartalk.com/t/2017-toyota-rav4-loud-knocking-when-slowing-down/184979>\
**Category:** Maintenance/Repairs\
**Tags:** rav4, toyota\
**Created:** [July 1, 2022, 1:12pm UTC](https://community.cartalk.com/t/2017-toyota-rav4-loud-knocking-when-slowing-down/184979 "2022-07-01T13:12:49Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![DD47](https://avatars.discourse-cdn.com/v4/letter/d/dc4da7/32.png) [@DD47](https://community.cartalk.com/u/DD47)\
**Post date:** [July 1, 2022, 1:12pm UTC](https://community.cartalk.com/t/2017-toyota-rav4-loud-knocking-when-slowing-down/184979/1 "2022-07-01T13:12:50Z")

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Have a 2017 RAV4 LE. There’s a loud knocking noise when I start out in the morning and I typically hear it when I’m slowing down to stop.

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**Author:** ![Purebred](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/purebred/32/46796_2.png) [@Purebred](https://community.cartalk.com/u/Purebred)\
**Post date:** [July 1, 2022, 2:36pm UTC](https://community.cartalk.com/t/2017-toyota-rav4-loud-knocking-when-slowing-down/184979/2 "2022-07-01T14:36:29Z")

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With the limited information provided, my first **guess** is CV joint.

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**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\
**Post date:** [July 1, 2022, 11:57pm UTC](https://community.cartalk.com/t/2017-toyota-rav4-loud-knocking-when-slowing-down/184979/3 "2022-07-01T23:57:43Z")

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Suggest to do some experiments. For example, during stopping, does the sound change depending on whether you are in gear or neutral? Are you able to hear this sound first thing in the AM when idling the engine in the driveway, by pressing on the gas a little to increase the engine rpm? Does it change when turning vs going straight?