xxjoeyxxeb Posted May 17, 2009 Share Posted May 17, 2009 Hey guys, We bled the brakes and got a very slow leak from the Valve below the Master Cylinder. So we swapped out the line for another and still had the leak. Then we swapped out the valve, and still have a slow leak, but from another port. By slow leak, I mean if you hold it, some fluid slowly comes out and eventually finds its way down a brake line ruining my new paint. Sometimes it leaks when pumping and holding the pedal, and sometimes it doesn't. It is all stock lines, with a stock 260z booster and a 15/16 master cylinder and s12+8 calipers. 3 of the corners bleed great, but fluid leaks out of the bleeder screw on one of the Toyota calipers when opening the screw to bleed. The car stops, but is a little spongy. Do you think we need all new lines? Or could the bleeder screw from one of the Toyo calipers be messing the the bleeding of the system, creating a leak? Quote Link to comment Share on other sites More sharing options...
evildky Posted May 18, 2009 Share Posted May 18, 2009 is the bore for the bleeder clear? a piece of grit could be preventing the bleeder from seating completely, if not I suspect a pittes or otherwise deformed seat which means new master cylinder Quote Link to comment Share on other sites More sharing options...
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