Are you experiencing an oil leak through the crank seal in your Mini? Minis that have gathered mileage have a greater tendency to develop oil leaks as their crankshaft seals wear down and break. This could happen for a variety of reasons. A crank seal is attached to the front of the engine. Its purpose is to seal the end of the crankshaft together with the timing cover. It is usually made of metal and rubber or silicone. The seal is a simple component with a very important purpose. It keeps oil from leaking outside the crankcase. As the crankshaft rotates, it tosses a lot of oil around the crankcase. The crank seal keeps this oil intact, avoiding leaking outside the crankcase. In the event the seal has failed, the oil will leak out of the crankcase, leading to serious damage to your engine. The following are familiar ... read more