What happens if transmission is overfull?
What happens if transmission is overfull? Erratic Shifting: When you overfill your transmission with fluid, the gears become submerged in transmission fluid. This could cause your transmission to seize. Automatic transmissions rely on fluid to function. If you put too much in your transmission you will experience erratic gear shifting. What happens when you over fill a transmission tank? Too much fluid and the seals will start to rupture, causing fluid leaks which many owners respond to by filling the tank again and making the problem worse. Vent leaking occurs when the tank is too full of transmission fluid, and...