Changing the oil in a car engine is one of the dirtiest operations. Judge for yourself — when warmed to 80-90 degrees engine merges dirty testing, her hot stream enters anywhere, but not substituted for her capacity. Meanwhile it is enough to make a simple device, and testing of all drops to be intended for her in the canister.
In the simplest case, such a device will need a rubber hose, a standard hex key in the tube of the crankcase and a plastic 4-liter canister. One end of the hose is secured to the neck of the canister, the top of which you need to cut a few drainage holes. In another
the end of the hose using the punch, the hole diameter must be such that a key introduced into it with some force.