...secured the hose with a weight (hammer) in a bowl to collect all the old transmission fluid. Letting the engine run, pumps the transmission fluid out by that pipe and hose. Obviously, let the engine run for brief moments only, then youn have to refill the reservoir again (which I had left pump and filler hose connected). The engine on briefly again, and so on until clean transmission fluid is being pumped out. I filled in a total of 14.4L, including the last liter , which I filled after reins