# Trailblazer

**URL:** <https://community.cartalk.com/t/trailblazer/4087>\
**Category:** Maintenance/Repairs\
**Created:** [September 3, 2007, 5:06pm UTC](https://community.cartalk.com/t/trailblazer/4087 "2007-09-03T17:06:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Lien48457](https://avatars.discourse-cdn.com/v4/letter/l/b5ac83/32.png) [@Lien48457](https://community.cartalk.com/u/Lien48457)\
**Post date:** [September 3, 2007, 5:06pm UTC](https://community.cartalk.com/t/trailblazer/4087/1 "2007-09-03T17:06:30Z")

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i have a 04 trailblazer,runs great, but has become very loud recently. like a whine that gets louder as you accelerate. car still runs great and no problems, but its now very loud. any ideas ? thanks

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**Author:** ![67ChevroletC10\_454](https://avatars.discourse-cdn.com/v4/letter/6/e19b73/32.png) [@67ChevroletC10\_454](https://community.cartalk.com/u/67ChevroletC10_454)\
**Post date:** [September 3, 2007, 6:12pm UTC](https://community.cartalk.com/t/trailblazer/4087/2 "2007-09-03T18:12:55Z")

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small exhaust leak?

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**Author:** ![MikeInNH](https://avatars.discourse-cdn.com/v4/letter/m/a587f6/32.png) [@MikeInNH](https://community.cartalk.com/u/MikeInNH)\
**Post date:** [September 4, 2007, 1:11pm UTC](https://community.cartalk.com/t/trailblazer/4087/3 "2007-09-04T13:11:49Z")

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What kind of whine??? High pitch?? Could be a bearing of some sort.