The oil pan is attached to the bottom of the engine with bolts and is the reservoir for oil that gets pumped throughout the engine to lubricate, clean and cool moving parts. A pump forces the oil ...

Car engine bays are often dusty and dirty ... After you do that, you should see the actual amount of oil remaining in your engine's oil pan. Markings on engine dipsticks vary.

Oil pumps are usually either inside the oil pan and driven by a camshaft or outside the pan and driven by a crankshaft. When those engine parts start moving, the pump starts working at the same ...