Best Transmission Leak Sealer. A common area of leakage is the oil pan the torque ball on the rear of transmissionThe ball becomes loose and acts as a pump. Pan gaskets are designed to seal the pan so that it does not leak.
But a bigger leak wont be affected by stop. If you still have leaks after that you can add BlueDevil Transmission Sealer along with the gear oil for your transmission and differential. It did not stop the leak.
Blue Devil Transmission Sealer for about 1250 and seen great reviews for it.
Stop leak solutions are not often effective even a little bit. 12 Pack BarS Leaks Automatic Transmission Repair. O-rings will leak and fail. It did not stop the leak.