I don't know what you're driving, but I'm assuming it doesn't have a booster. Either way, if there's no obvious loss of fluid when you detect this pressure drop on the pedal (remember it could be inside the drum), then ditch that Master Cylinder for starters. If you do have a Power Booster, replace that while you're there. Fluid loss is usually pretty obvious, especially with the pleasant aroma of burnt up brake fluid...
~sorry~ I guess I did kind of assume the brakes were bled correctly....
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Last edited by Geer_hed; 03-31-2004 at 08:31 AM..