Replacement Fluid For NV4500 Transmission?
A reader asks: I’ve got a Dodge Ram 3500 with the NV4500 5-speed transmission. I would like to change the fluid, but the Castrol Syntorq LT oil is (apparently) no longer available. The Mopar Synthetic Manual Transmission Lubricant is very expensive. Does AMSOIL offer a transmission fluid that is compatible with the NV4500’s carbon fiber…
