Brake pedal to floor after slamming brakes

Tiny
TUFGUY5088
  • MEMBER
  • 1996 FORD TAURUS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 138,000 MILES
I had to slam on the brakes to avoid an accident. I now have a brake pedal that goes to the floor. When the car is off, I can pump the pedal and I get pressure until 3-4 pumps and then it is hard. When the car is on, I can push it right to the floor and I barely get any braking power. Could it be the master cylinder? Booster? Brake hoses? Brake lines? What should I check for?
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Tuesday, July 19th, 2011 AT 8:40 PM

2 Replies

Tiny
PROTECH1980
  • MECHANIC
  • 901 POSTS
First check the fluid level, you possibly could have blown a brake hose or line, if it is low, add fluid and pump brakes with car on. Then get out and look underneath to see if any brake fluid is leaking on the ground, that would lead you to the failed line or hose.
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Monday, April 5th, 2021 AT 12:03 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,468 POSTS
It does sounds like you have a blown master cylinder here is a guide to help you replace it.

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

this guide can help as well.

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

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
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Monday, April 5th, 2021 AT 12:03 PM

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