Crankcase meaning

A crankcase is the housing for the engine's crankshaft and other internal components.


Crankcase definitions

Word backwards esacknarc
Part of speech Noun
Syllabic division c-rank-case
Plural The plural form of the word "crankcase" is "crankcases".
Total letters 9
Vogais (2) a,e
Consonants (5) c,r,n,k,s

The Function of a Crankcase

The crankcase is a crucial component of an internal combustion engine that houses the crankshaft, connecting rods, pistons, and other moving parts. It serves as the main support structure for these components and provides protection from outside elements. Additionally, the crankcase contains the engine oil that lubricates and cools the moving parts, reducing friction and wear.

Types of Crankcases

There are two main types of crankcases: wet sump and dry sump. In a wet sump system, the engine oil is stored in a reservoir located directly beneath the crankshaft. This design is simpler and more common in most vehicles. On the other hand, a dry sump system stores the oil in a separate tank, allowing for better lubrication and cooling of the engine components, especially in high-performance vehicles.

Maintenance and Troubleshooting

Regular maintenance of the crankcase is essential to ensure the proper functioning of the engine. This includes checking the oil level and quality, inspecting for leaks, and replacing the oil and oil filter at recommended intervals. Failure to maintain the crankcase can lead to engine overheating, increased wear on components, and potentially costly repairs.

Signs of Crankcase Issues

Some common signs of crankcase issues include low oil pressure, knocking noises coming from the engine, visible oil leaks, and excessive smoke from the exhaust. If any of these symptoms are present, it is important to inspect the crankcase and related components for damage or wear. Ignoring these warning signs can result in serious engine damage and compromised performance.

In conclusion, the crankcase plays a vital role in the proper functioning of an internal combustion engine. Regular maintenance and prompt attention to any issues that arise are essential for preserving the performance and longevity of the engine.


Crankcase Examples

  1. The mechanic found oil leaking from the crankcase of the car.
  2. He removed the crankcase cover to access the internal components of the engine.
  3. The crankcase ventilation system helps reduce pressure inside the engine.
  4. Regular maintenance of the crankcase is essential for engine longevity.
  5. The crack in the crankcase led to oil contamination in the engine.
  6. The technician cleaned the crankcase filter to improve engine performance.
  7. A cracked crankcase can result in harmful emissions from the vehicle.
  8. He added more oil to the crankcase to ensure proper lubrication of the engine.
  9. The crankcase gasket needed to be replaced to prevent oil leaks.
  10. The crankcase houses the crankshaft, connecting rods, and pistons of the engine.


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  • Updated 20/06/2024 - 19:04:54