# 2009 Toyota Prius - 5 Second clack

**URL:** <https://community.cartalk.com/t/2009-toyota-prius-5-second-clack/129429>\
**Category:** Maintenance/Repairs\
**Tags:** toyota\
**Created:** [November 23, 2018, 10:07pm UTC](https://community.cartalk.com/t/2009-toyota-prius-5-second-clack/129429 "2018-11-23T22:07:22Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Rich20](https://avatars.discourse-cdn.com/v4/letter/r/ebca7d/32.png) [@Rich20](https://community.cartalk.com/u/Rich20)\
**Post date:** [November 23, 2018, 10:07pm UTC](https://community.cartalk.com/t/2009-toyota-prius-5-second-clack/129429/1 "2018-11-23T22:07:22Z")

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After pressing start button - loud clacking noise for about 5 seconds

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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:** [November 23, 2018, 11:25pm UTC](https://community.cartalk.com/t/2009-toyota-prius-5-second-clack/129429/2 "2018-11-23T23:25:38Z")

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I wonder if one of the HVAC doors is attempting to operate.