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Re: Brake Pressure Help (archive)
[ Follow Ups ] [ 3-series (E21) Message Board ] [ Msg. Board FAQ ]
Posted by chad larson on May 06, 2001 at 18:35:39:

In Reply to: Brake Pressure Help posted by Jess on May 06, 2001 at 16:50:34:


It sounds to me like you have air in the line. I do not know what would be causing the sound of air leaking though. Once you have pumped it do the brakes fade? If they do you still have a hydraulic leak, sometimes this will not show an exterior leak. Fluid might be leaking around your piston in the master cylinder, this would not show on the outside.

When I brake I have to put the brake all the way to the floor and pump once to get pressure. I don't know whats loosing the brake pressure. I can't see it leaking anywhere.

When the car is on, I can pump the brake the RPS rise and then when I stop. It sounds like air pressure is comming from the brake petal. Where it goes into the engine compartment.

CAn anyone help me out? I replaced the clutch slave Cyl,master cyl.

IS that going to be hard if I have to replace anything to do with the seal?




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