# 2008 GMC Acadia - Rusty brake fluid

**URL:** <https://community.cartalk.com/t/2008-gmc-acadia-rusty-brake-fluid/130918>\
**Category:** Maintenance/Repairs\
**Tags:** gmc\
**Created:** [December 16, 2018, 2:13am UTC](https://community.cartalk.com/t/2008-gmc-acadia-rusty-brake-fluid/130918 "2018-12-16T02:13:29Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![faron28](https://avatars.discourse-cdn.com/v4/letter/f/3e96dc/32.png) [@faron28](https://community.cartalk.com/u/faron28)\
**Post date:** [December 16, 2018, 2:13am UTC](https://community.cartalk.com/t/2008-gmc-acadia-rusty-brake-fluid/130918/1 "2018-12-16T02:13:29Z")

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will rusty brake fluid damage wheel cylinders or the master cylinder?

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**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\
**Post date:** [December 16, 2018, 2:22am UTC](https://community.cartalk.com/t/2008-gmc-acadia-rusty-brake-fluid/130918/2 "2018-12-16T02:22:38Z")

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Why take a chance ? Have a shop replace the fluid as you are probably past due anyway. Car not starting is annoying - car not stopping is catastrophic .

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**Author:** ![pyrolord314](https://avatars.discourse-cdn.com/v4/letter/p/6a8cbe/32.png) [@pyrolord314](https://community.cartalk.com/u/pyrolord314)\
**Post date:** [December 16, 2018, 2:33pm UTC](https://community.cartalk.com/t/2008-gmc-acadia-rusty-brake-fluid/130918/3 "2018-12-16T14:33:36Z")

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If your brake fluid is rusty, it’s way **overdue** to be changed!! Change it ASAP!!!

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [December 17, 2018, 1:52pm UTC](https://community.cartalk.com/t/2008-gmc-acadia-rusty-brake-fluid/130918/4 "2018-12-17T13:52:38Z")

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I will 3rd that! YES rusty brake fluid will damage things! It is also a hint that something is already damaged!

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**Author:** ![texases](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/texases/32/862_2.png) [@texases](https://community.cartalk.com/u/texases)\
**Post date:** [December 17, 2018, 2:35pm UTC](https://community.cartalk.com/t/2008-gmc-acadia-rusty-brake-fluid/130918/5 "2018-12-17T14:35:32Z")

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Brake fluid doesn’t rust, the stuff it touches does, so as the others have said, you’re way overdue for a full brake fluid change, both in the reservoir and by bleeding all the wheels.