The butterfly valves of Bing, catch after one while on the right side to rattle on, since no butterfly valve potentiometer sits there. Many regard this rattling as noises of the valves or the axial play of the rocker arms. After correct adjusting and still the noise is it arises the butterfly valve. That one can determine easily, if with easily opened butterfly valve at the push pull cable plate axially one gewackelt, develops the noise. Remedy creates there the so-called Tickerkiller. An adjuster by means of ball, which one can adjust easily, the play from the wave gets. This is installed instead of the Kaeppchens on the right side, is korrossionsfrei, functions and looks super. The Klackern disappears. One saves thereby the purchase of a new butterfly valve.