A. The reduced speed sound when descelerating is CVT relevant however, as your SA told Additionally you motor can make very similar noise. If you push very bit by bit, small throttle you have got this whoewhoeeee noise, Here is the Airco compressor. All are Geared up with hydraulic ability https://arthurchhfc.rimmablog.com/33565907/gearbox-cvt-proton-fundamentals-explained