There needs to be a little air above the fluid, like the free space in a zero pressure radiator tank. The first thing that happens as you push the pedal will be a little bit of a fluid surge back into the reservoir before the piston starts to pressurize the fluid in the lines. Overfill the reservoir, and the surge will push some fluid out of the vent. Try using a turkey baster or something similar to remove an ounce or two of fluid- - - -I'll bet the problem goes away.
Jerry
I took the tooth pick out *made surer the level of the fluid was down some and put the plug back on and it is all working again great.. thx again Jerry
