Mazda 929 1981 Sedan.....Brake problem..
35

Asked by Mar 11, 2011 at 11:12 AM about the 1981 Mazda 929

Question type: Maintenance & Repair

i left this car for 4 years and when i started it the brakes were not working i changed the master cylinder and the rear brake pistons and still the barkes dont work? when ever i press the brake padel it goes inside suddenly....can anyone plzz tell wht the problem is......is there any leakage or something else....?

4 Answers
3,455

answered 7 years ago

There is usually a check valve between the front and rear brakes. It is common that they get air-bound. You should try to bleed them a lot with a vacuum bleeder if you can get one. Or just pump and pump, and bleed the old fashion way. Please award points if this helps

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35

answered 7 years ago

there is no check valve in the car.......barkes are directly attached to master cylinder......

Mark helpful

answered 7 years ago

did you blead theair out of the system,did you beanch blead the new master cylinder befor installing,if not get a bottle of dot 3 break fluid get a friend to help,one pump up break peddlethe other do the bleading,keep doing this to all 4 wheels until all the air is out.

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35

answered 7 years ago

Yes i did blead the new master cylinder......but still

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