Changing brake Master cylinder

REA4444

MEMBER
2006 JEEP LIBERTY
3.7L
V6
4WD
AUTOMATIC
170,000 MILES

When I install a new brake master cylinder, is there another way to bleed the master cylinder other than doing a bench bleed?

Tuesday, August 21st, 2018 AT 6:28 PM

3 Replies

DANNY L

MECHANIC
5,648 POSTS

Hello, I am Danny.

That is by far the best way to get air out of the new/rebuilt master cylinder. I am attaching a tutorial to show you in hopes of helping. Hope this helps and feel free to ask any other questions if needed. Thanks for using 2CarPros.

Danny-

https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder

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Tuesday, August 21st, 2018 AT 7:01 PM

REA4444

MEMBER
6 POSTS

Thanks Danny. I replaced the master cylinder with a brand new one (not a re-manufactured), but when I press the brake pedal when the vehicle is off I have brake, once turned on, it goes to the floor. Any advice?

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Sunday, August 26th, 2018 AT 4:46 AM

DANNY L

MECHANIC
5,648 POSTS

Hello again.

After replacing master cylinder did you also bleed all the individual wheels as well? Sounds like you still have air in the system. Hope this helps and feel free to ask any other questions. I have attached another tutorial showing how to bleed the Brakes.Thanks again for using 2CarPros.
Danny-

https://www.2carpros.com/articles/how-to-bleed-or-flush-a-car-brake-system

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Sunday, August 26th, 2018 AT 5:28 PM