Brake pedal goes to the floor

20

Asked by GuruT63GQ Jul 19, 2018 at 07:28 AM about the 2007 Mazda MAZDA3 GS

Question type: Maintenance & Repair

Just replaced for the second time in 2yrs, the
Master cylinder.  The pedal still goes to the floor.
But I found that air is coming from the booster.

4 Answers
1,145

Gary answered 6 years ago

I'm having the same problem I bled the system after replacing the mc and it seemed like it was working but now doing the same.thing. pedal goes to the floor. So I think the booster is leaking.

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20

GuruT63GQ answered 6 years ago

After a harrowing week I had the abs module replaced, the computer needed adjusting and the brakes were bled. I'm told also in next service or so I can gave new break pads fitted. The mazda is now running very well. In my opinion, replacing the mc is a makeup job! Also I couldn't get my (new) mechanic to agree on replacing the booster. I live in Australia and I am so thankful the cargurus answered my email. Thank you. Rita

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50

GuruBWHB3 answered 5 years ago

I had the same problem on my daughters 2006 Mazda 3. Pulled the ABS fuses to check them and and activated the ABS with several hard braking stops and it brought the brakes back up.

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