At the heart of any motorized machine lies an essential component that rarely gets the attention it deserves: the engine crankcase and oil dipstick . These elements play a crucial role in the smooth and efficient operation of the engines, ensuring that the machines operate in optimal conditions. In this article, we will explore in detail what the engine crankcase is , how it works , its key parts , and how to properly keep it clean . In addition, we will also see how the oil dipstick complements this vital system .

What is the engine crankcase and how does it work?

The engine crankcase is a fundamental structure in the construction of an engine. It is a durable, usually metal casing that contains and protects various internal engine components, such as the crankshaft, connecting rods, and other moving parts. One of its main functions is to store the lubricating oil needed to reduce friction between these moving parts, which helps extend the life of the engine and keep it running efficiently.

The engine crankcase functions as an oil reservoir , ensuring that there is an adequate amount of lubricant at all times to keep the internal parts well-oiled. Lubricating oil not only reduces friction, but also helps dissipate heat generated by the constant movement of engine parts. In this way, the engine crankcase plays an essential role in the performance and durability of the engine as a whole.

What are the main parts of the engine crankcase?

The engine crankcase consists of several key parts that work together to keep the lubrication system running:


Main crankcase

It is the outer casing that surrounds most of the internal components of the engine. It is designed to withstand the extreme forces and temperatures generated during engine operation.

Drain plug

This plug located at the bottom of the crankcase allows the draining and periodic change of used oil. It is crucial to keep the oil clean and efficient.

Oil pump

Responsible for pumping oil from the crankcase to moving parts that require lubrication.

Oil filter

Retains particles and contaminants present in the oil, ensuring that the lubricant remains clean and effective.

How to clean the engine crankcase?

Keeping your engine crankcase clean is essential to ensure engine performance and durability. Here are some key steps to clean it properly:

Draining Oil: Use the drain plug to drain old and contaminated oil from the crankcase.

Oil Filter Removal: Replace the old oil filter with a new one. This will help prevent unwanted particles from circulating through the lubrication system.

Crankcase Cleaning: Clean the inside of the crankcase with a suitable solvent to remove accumulated debris. Be sure to follow the manufacturer's recommendations.

Installing new components: Install a new oil filter and secure the drain plug in place.

Add fresh oil: Pour the manufacturer's recommended amount and type of oil into the crankcase. This will ensure that the engine runs with proper lubrication.

The oil dipstick: what is it and how to use it?

The oil dipstick is a simple but essential tool for monitoring the oil level in the crankcase . It is usually located near the engine and has a marking indicating the optimal oil level. To use it, follow these steps:

To perform the oil level check, first make sure the engine is off and enough time has passed for the oil to settle in the crankcase. Next, completely remove the dipstick from the crankcase and clean it with a clean rag. Then, reinsert the dipstick completely into the crankcase and once again remove it to observe the oil level on the dipstick. This level should be between the minimum and maximum marks on the dipstick. If necessary, you can add oil gradually and repeat the measurement until the level is within the proper range.

The oil dipstick gives you peace of mind knowing that your engine is running with the amount of lubricant necessary to operate efficiently and prevent damage.

At Comercial Méndez we can help you with the crankcase and oil dipstick and other parts for your engine, we have all the spare parts you may need! Contact us, we will be happy to assist you.