Transmission failure can be catastrophic – enable protect against a major repair want with standard transmission maintenance and repair. But it can be anything, the transmission pan, torque converter, pan gasket, fluid lines, or seals are all suspects. Leaking seals can be anywhere though, such as the drive shaft, output shaft, input shaft, transmission pan, or the valve physique. Ahead of you get started undertaking something fancy you want to make certain the leak is in fact transmission fluid. Leak in the pan – The transmission pan is not invincible and is subject to wear and tear.