HowStuffWorks The variable-diameter pulleys are the guts of the CVT. Every pulley is made of two twenty-degree cones experiencing each other. A belt rides inside the groove in between The 2 cones. Result in: A significant-pitched whining sound from the CVT often signifies troubles While using the transmission fluid. https://gregorycdcba.losblogos.com/31586981/the-basic-principles-of-gearbox-cvt