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1999 Chevy Silverado soft brake

Tiny
KEVIN JARVIS
  • MEMBER
  • 1999 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
Brakes are fine for about 30 mins then the pedle goes to the floor I must pump brakes to make it stop howeaver after it cools it workes fine for about 30 min and starts all over again
Saturday, January 10th, 2009 AT 10:31 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
It sounds like the master cylinder is bad. This guide can help you fix it.

https://youtu.be/w7gUsj2us0U

and

https://youtu.be/WDxvEQrMkBg

and

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

Please run down this guide and report back.
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Monday, February 22nd, 2021 AT 5:28 PM

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