Why is transmission fluid disappearing, no leaks evident?
Why is transmission fluid disappearing, no leaks evident? Transmission fluid is disappearing, no leaks evident. As to price, the most serious cause of a leak is the torque converter seal, which requires removal of the transmission. After that the next most costly repair is a leaking trans fluid cooler and this requires replacement of the radiator or the addition of an add-on fluid cooler. How can I seal a transmission fluid leak? Reply. Charmmorro-. You should add the proper amount of BlueDevil Transmission Sealer to address the transmission fluid leak; 1 ounce of BlueDevil will treat 1 quart of transmission...