when the auto demands speed ratios, the feeding conical pulley (sheave) around the input shaft moves towards the fastened pulley which in turn shifts the Component of v-formed belt wrapped around the input pulleys towards the greater cross-sectional part of the conical enter pulleys. Lead to: Humming or buzzing https://gearbox-cvt32974.p2blogs.com/31432589/detailed-notes-on-gearbox-cvt