Sump refers to the space in the oil pan under the crankshaft that holds the oil like a sump.
- The sump functions as an infiltration basin that is used to keep the liquid free from water and other contaminants.
- The oil pan is usually made of plastic or metal. It is shaped to fit on the bottom of the block. A gasket is installed between the pan and block tp seal the jpoint
- and prevent oil leaks.
- The bottom of the block with the oil pan forms the crankcase
- The oil pan usually hols form 3 to 9 quarts or 3 up to 8 liters of oil depending on the engine. An oil pump sends the oil from the oil pan to the moving engine parts.