Well I'm confused again. My 87 GN still has the original brake system (please dont laugh too much) and I just got a brake job. Now I have an interesting problem. My emergency brake light comes on every now and then. What's more alarming is that I have a loud hissing noise coming from the brake pedal itself. When I push down on it to stop (of course) the hissing noise goes away. That is, until I release it to take off from a light and the noise comes back. I told my mechanic and he looked at me weirder than usual. He thought it might be something to do with the cruise control so we disconnected the cruise hose going to the brake pedal. It seems to have helped but at times the same problems come back. Also...I have a weird vibration sometimes in the pedal when stopped and waiting at a light. Any ideas? Thanks!