# Light grinding noise

**URL:** <https://community.cartalk.com/t/light-grinding-noise/26532>\
**Category:** Maintenance/Repairs\
**Created:** [February 16, 2009, 5:48pm UTC](https://community.cartalk.com/t/light-grinding-noise/26532 "2009-02-16T17:48:30Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![unionave](https://avatars.discourse-cdn.com/v4/letter/u/9de0a6/32.png) [@unionave](https://community.cartalk.com/u/unionave)\
**Post date:** [February 16, 2009, 5:48pm UTC](https://community.cartalk.com/t/light-grinding-noise/26532/1 "2009-02-16T17:48:30Z")

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02 Outback Sport (Impreza), 75k, auto. Getting a light grinding noise periodically. Sounds like it’s coming from down below. No specific place though.

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**Author:** ![common-sense-answer](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/common-sense-answer/32/716_2.png) [@common-sense-answer](https://community.cartalk.com/u/common-sense-answer)\
**Post date:** [February 16, 2009, 6:05pm UTC](https://community.cartalk.com/t/light-grinding-noise/26532/2 "2009-02-16T18:05:01Z")

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When?

Cold? Hot? Both?  
Idling? In Park? Driving? Braking? Accelerating? Coasting? Turning? Revving?  
Can you influence it? Can you make it start, stop, get louder, quieter?  
Can you hear it outside car? Only inside?  
Please describe periodically.

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**Author:** ![unionave](https://avatars.discourse-cdn.com/v4/letter/u/9de0a6/32.png) [@unionave](https://community.cartalk.com/u/unionave)\
**Post date:** [February 16, 2009, 6:08pm UTC](https://community.cartalk.com/t/light-grinding-noise/26532/3 "2009-02-16T18:08:58Z")

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Cold? Hot? Both?:::: BOTH  
Idling? In Park? Driving? Braking? Accelerating? Coasting? Turning? Revving?:::: DRIVING, ACCELERATING, TURNING AND NOT TURNING  
Can you influence it? Can you make it start, stop, get louder, quieter?:::: NO  
Can you hear it outside car? Only inside? ::: ONLY HAPPENS WHEN DRIVING SO NOT SURE  
Please describe periodically.

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**Author:** ![BustedKnuckles](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/bustedknuckles/32/25_2.png) [@BustedKnuckles](https://community.cartalk.com/u/BustedKnuckles)\
**Post date:** [February 16, 2009, 7:50pm UTC](https://community.cartalk.com/t/light-grinding-noise/26532/4 "2009-02-16T19:50:56Z")

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Have your brakes checked. I’ll bet your grindng the rotor with a worn out pad.

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**Author:** ![Roadrunner](https://avatars.discourse-cdn.com/v4/letter/r/d2c977/32.png) [@Roadrunner](https://community.cartalk.com/u/Roadrunner)\
**Post date:** [February 17, 2009, 2:59am UTC](https://community.cartalk.com/t/light-grinding-noise/26532/5 "2009-02-17T02:59:40Z")

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Keep an open ear, this is a Subaru.

The noise may also be from a transfer case/differential or wheel bearing.