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Brake pedal goes to the floor when car is on

Tiny
JBOTSCH
  • MEMBER
  • 1978 TOYOTA PICKUP
  • 2WD
  • MANUAL
  • 190,000 MILES
The other day my brakes went out as I was going downhill then when I backed up they worked again. I was told it might be the brake cylinder. My friend put in a new brake cylinder from O'Reilly's and now it is doing the same thing again. What could be wrong? I get pull push and pull when the car is off but when it is on I get nothing but to the floor.
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Friday, September 7th, 2018 AT 5:41 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Hi and thanks for using 2CarPros.com.

Are you certain there are no leaks? When you say brake cylinder, are you referring to the Master Cylinder or a wheel brake cylinder? Was the system properly bled?

Take a look through this link and see if there is anything that you find helpful.

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

Let me know if that helps or not. If you have other questions or need more information, let me know.

Take care,
Joe
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Friday, September 7th, 2018 AT 7:44 PM

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