The Mityvac 7201 fluid evacuator requires no power to create a vacuum and pressure to evacuate and disperse most automotive liquids and chemicals. The Mityvac contains a piece of plastic tube that you insert into the dipstick of your car to operate. However the plastic tube can break and a good size of the tube can be stuck in the bottom of the dipstick where the oilpan sits. This is exactly what happened to me. While using the device to extract motor oil, a 5" inch piece of tubing broke off and sat at the bottom of the oil pan in my... read full review »