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Brakes Pedal goes to floor?

Tiny
SWIDEMON
  • MEMBER
  • 1995 BUICK LESABRE
Brake pedal goes almost all of the way to the floor before it stops. No loss of fluid. Not master cylinder, not booster, not wheel cylinders. When bleeding, fluid only comes out drivers front and passenger rear. HELP
Wednesday, December 17th, 2008 AT 12:22 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
We need to step back and find out how you know it is not the master. Have you replaced it or blocked the lines off to find out if this has a hard pedal?

Here are a couple guides that help with this:

https://www.2carpros.com/articles/brake-pedal-goes-to-the-floor

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

If this all checks out then we may have an issue with the distribution valve as this system is diagonally split.

I am attaching the info below on this for your review.

Please let us know what you find with this and if you blocked the lines off at the master and we can go from there. Thanks
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Wednesday, July 28th, 2021 AT 12:27 PM

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