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Brake pedal goes to floor, losing brake fluid no leaks

Tiny
GARY STRINGER
  • MEMBER
  • 2002 TOYOTA PICKUP
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 230,000 MILES
I have added two large bottles of brake fluid and it drains slowly. No leaks from master or wheel cylinders or brake lines. Nothing is wet, no drips on the ground. Where is the fluid going?
Friday, July 26th, 2019 AT 7:27 AM

3 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi Gary,

More than likely it is going into the brake booster. At this point you will most likely need to replace the master cylinder and booster. Also, any other components after you retest.

Here is the procedure for the booster. More than likely you find the fluid inside. Let me know what you find and we can go from there. Thanks
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Friday, July 26th, 2019 AT 2:16 PM
Tiny
GARY STRINGER
  • MEMBER
  • 2 POSTS
Thanks so much, that was it. Hadn’t seen it mentioned in any videos.
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Saturday, July 27th, 2019 AT 10:34 AM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Awesome. Thanks for the update which will help others. That is a good idea for a video. I will pass it on. Glad you found it and thanks for using 2CarPros.
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Saturday, July 27th, 2019 AT 5:34 PM

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