Can cvt fluid be used in an atf gearbox?

No CVT fluid must not be used in an ATF (Automatic Transmission Fluid) gear box. The two systems of transmission are completely different design-aspect wise and functionality wise. CVT (Continuously Variable Transmission) fluid is actually designed to suit the special friction needs and pulley-type mechanics of a CVT type of system. With typical automatic transmission, using it may bring severe performance degradation, more wear, and even total failure.

ATF on the other hand was developed on gear based transmissions that have other friction characteristics as well as lubrication properties. You should always consult the owner manual to your car and follow the recommendations of the company on what kind of fluid should be used to make it last long.

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