Advantages: What is a Crankcase in an Engine? Parts, Working, Advantages & Symptoms: The crankcase is a fundamental part of an internal combustion engine, housing and supporting crucial components such as the crankshaft, connecting rods, and camshaft. It forms the lower part of the engine block and acts as a protective enclosure for these moving parts. Additionally, it contains the engine oil reservoir, providing lubrication to minimize friction and wear. ---> Parts of the Crankcase: 1. Crankshaft Housing: Encases the crankshaft, ensuring its alignment and smooth rotation. 2. Oil Pan: Located at the bottom, it stores engine oil for lubrication. 3. Main Bearings: Support the crankshaft, allowing it to rotate efficiently. 4. Ventilation System: Includes a Positive Crankcase Ventilation (PCV) valve to manage pressure and release gases. ---> Working of Crankcase: During engine operation, the crankcase ensures the crankshaft’s smooth rotation while minimizing vibration and ...