Pressurized ATF acts on the movable 50 % with the pulley, shifting its diameter. “For that reason,” claimed Maldonado, “a CVT transmission continuously alterations gear ratios as the two movable pulley halves slide on a shaft, even though the other half of the pulley continues to be locked in place.” https://collinstrmi.rimmablog.com/33301796/the-best-side-of-gearbox-cvt