Abstract: A noise reducer for a valve having a quick release function is disclosed. The noise reducer is preferably an open-celled structure that is impervious to dirt, moisture, alcohol, and oil, and acts as both a dampener and a biasing spring to reduce the oscillations of an exhaust diaphragm in an ABS modulator and urge the diaphragm toward a closed position. The open-celled foam is preferably an annular configuration so that it does not interfere with the amplitude of displacement of the diaphragm.

Abstract: A treadle assembly supplies an electrical signal to an electronic controlled engine. The assembly includes a treadle suspended from a vertical wall of the operator compartment so that the components are disposed away from dirt and debris associated with the vehicle compartment. A treadle lever is pivotally mounted and engages a drive gear associated with the potentiometer. Depression of the treadle provides for increased rotation of the drive gear, preferably on the order of a 3:1 output to input ratio. A slot is formed in the actuator base to facilitate assembly of the structure before the springs are brought to a tensioned state.