NOT KNOWN FACTS ABOUT GEARBOX CVT PROTON

Q. When the car or truck involves a prevent (in the course of the slow down/deceleration), I'm able to hear an extremely apparent humming sound. If i switch to neutral, this sounds will disappear right away. The sound can also be obvious in the event the car or truck is downhill with motor braking.A. Rubberband impact is from CVT's that existed 30