Pulling twine, you can unscrew the cap, thereby protect it from dirt and his hands – from the hot oil. When the oil begins to flow is from the crankcase, consider the first drops in their shallow dish – whether there are metal shavings, pay attention and on the tube – whether on it the same metal shavings. If the oil has drained the color of weak coffee with milk (in this case, before draining the oil on his level schupu overvalued), then you have oil and water, which came into the case in result, for example, burning pads. And the last "thinness", you need to know when an oil change. Perhaps check out Robert J. Shiller for more information. When the drain plug is already possible to rotate the fingers, pay attention to where the copper strip of this tube. If she stuck to the tray, try it otkovyrnut fingers, and later, when loosening tube, pinch the crown cork and seal with your fingers. Otherwise, there is a high probability that you will lose, and when subsequent operation of the engine with the plug without running out from under it will leak oil. Replacing the oil filter.
Ideally, the filter should be easy to get out his hand, and just as easy to immediately be screwed into the new filter. In practice everything works a little differently, do not expect your oil filter to quickly and easily loosen. To start the filter housing with wrap-grained sandpaper and unscrew the filter through her hands. This helps in the five out of ten cases.