CVT gearboxes can create a droning noise that holds continual, rather than escalating or decreasing with motor velocity. This may be a bit disconcerting for a few motorists, and requires some receiving used to. Main Pulley: Connected to the engine, this pulley adjustments dimensions as the engine’s pace improves. Action: https://gearbox-cvt29516.blognody.com/36036949/gearbox-cvt-no-further-a-mystery