Replaced front brake calipers and bled air from.

Tiny
ANONYMOUS
  • MEMBER
  • 1993 SATURN SL2
  • 130,000 MILES
Replaced front brake calipers and bled air from bleeders, but now the brake pedal goes to floor before brakes apply. What do I do now?
Monday, April 1st, 2013 AT 5:38 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 34,075 POSTS
If you bled the brakes with a helper and the pedal got pushed all the way to the floor the master cylinder likely got damaged. Crud and corrosion build up in the lower halves of the bores where the pistons don't normally travel, then when the pedal gets pushed far enough the lip seals run over that crud and get torn. Professionals either gravity-bleed with no helper or they never push the pedal more than half way to the floor.
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Monday, April 1st, 2013 AT 6:43 PM

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