# 2006 Subaru Outback - Rattle

**URL:** <https://community.cartalk.com/t/2006-subaru-outback-rattle/171999>\
**Category:** Maintenance/Repairs\
**Tags:** subaru\
**Created:** [November 5, 2020, 6:55pm UTC](https://community.cartalk.com/t/2006-subaru-outback-rattle/171999 "2020-11-05T18:55:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![kellianne](https://avatars.discourse-cdn.com/v4/letter/k/bcef8e/32.png) [@kellianne](https://community.cartalk.com/u/kellianne)\
**Post date:** [November 5, 2020, 6:55pm UTC](https://community.cartalk.com/t/2006-subaru-outback-rattle/171999/1 "2020-11-05T18:55:17Z")

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While running and idling engine makes a consistent rattling/knocking sound that doesn’t change with acceleration. What could it possibly be?

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**Author:** ![GorehamJ](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/gorehamj/32/24103_2.png) [@GorehamJ](https://community.cartalk.com/u/GorehamJ)\
**Post date:** [November 6, 2020, 1:47pm UTC](https://community.cartalk.com/t/2006-subaru-outback-rattle/171999/2 "2020-11-06T13:47:47Z")

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My guess is the heat shield.