Brakes keep failing after bleeding

Tiny
LISA MAYO
  • MEMBER
  • 2000 CHRYSLER SEBRING
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 93,000 MILES
We just bought this car and the brakes went all the way to the floor the lady said she would bleed them and drive it a while then they would need bleeding again. So that’s what we did. The master cylinder was very low on fluid when we started and there was lots of air in the line but we got good pedal after bleeding them. And sure enough after driving for a few days the brake light came on and just a little while later while driving the pedal went all the way down and wouldn’t pump back up, it just goes to the floor every time. The master cylinder is still full. So we are stumped. Help!
Friday, May 22nd, 2020 AT 4:56 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Here is a guide that helps with this issue. If the master cylinder is still full then I suspect it has an internal leak that is allowing the pedal to go to the floor.

Review this guide and let's go from there:

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

What I would suggest is capping the lines coming off the master cylinder and then push the pedal. If it still goes to the floor then it has to be the master cylinder as you eliminated everything else in the system. If it is a hard pedal immediately then you have a leak somewhere else in the system.
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Friday, April 2nd, 2021 AT 9:58 AM

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