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Motor oil https://www.teklub.ru/catalog/motornye-masla-motul-5w40 — one of the most important consumables in a car, on which not only the correct operation of the engine depends, but also its durability. The correct choice of oil and its care are especially important in the off-season, when operating conditions change. Let’s look at what motor oil is, why its quality is critical, what types of oils exist, and how to choose the right option, including popular brands.
Why do you need motor oil and why is its quality important?
Motor oil performs several important functions:
- Lubrication. It forms an oil film on the surfaces of parts, preventing wear.
- Cooling. Oil helps remove heat from the working parts of the engine.
- Corrosion protection. The oil coats metal surfaces, preventing moisture and oxidation.
- Purity. The oil cleans the engine by collecting deposits and holding them until the next change.
High-quality oil copes with these tasks better than low-quality oil and retains its properties longer. This is especially important under conditions of increased load — in heat, cold and with frequent changes in operating mode.
Types of motor oils
Motor oils are divided into several types, each of which is suitable for different conditions and types of engines.
- Mineral oil. This oil is obtained by refining petroleum. It is usually cheaper, but it needs to be replaced more often. Mineral oils are better suited for older cars with low engine load.
- Semi-synthetic oil. Mixed from mineral and synthetic components, semi-synthetic oil has greater durability and is suitable for middle-class cars.
- Synthetic oil. Provides maximum engine protection, high temperature resistance and longer service life. This is the choice for new, powerful and heavily used vehicles.
How to choose motor oil
The choice of oil depends on the type of engine, operating conditions and recommendations of the vehicle manufacturer. When choosing, you should consider the following parameters:
- Viscosity. One of the most popular standards is SAE, for example, 5W-40. The number before the “W” means winter viscosity, and the one after it means resistance to heat. For example, Oil Motul 5W-40 — one of the proven options for operation in a wide temperature range.
- Specification and tolerances. The oil label indicates approvals such as ACEA, API or auto manufacturer specifications (e.g. VW, BMW, Mercedes-Benz). They indicate which engines the oil is suitable for.
- Quality class. Oils differ by class: the higher it is, the more effective the oil is.
Recommendations for choosing oil
When choosing engine oil, pay attention to the operating conditions:
- for winter Oils with low winter viscosity, such as 0W or 5W, are more suitable.
- for summer It is better to use a higher viscosity oil, such as 10W or 15W, depending on temperature and conditions.
Why does the off-season require special oil care?
In autumn and spring, vehicle operating conditions change. There is a need for the following actions:
- changing oil to seasonal. If you use seasonal oil, be sure to replace it. In the off-season, an all-season oil is recommended, suitable for all conditions.
- level check. Temperature changes can increase oil consumption, so it is important to check the level regularly.
- filter replacement. It is important to keep filters clean, as a dirty filter will reduce the effectiveness of the oil.
- lubrication system diagnostics. Check for leaks and other problems that may become more serious in colder temperatures.
Popular motor oil brands
The market offers many brands, each of which has its own characteristics and advantages.
- Motul. A brand from France, which is distinguished by high quality and stability. Note that Motul 5W-40 is considered a universal solution for cars operated in different conditions.
- Shell. One of the world’s largest manufacturers, offers oils for a wide range of vehicles and conditions.
- Mobile 1. An American brand, especially popular among owners of new and high-performance cars.
- Castrol. A manufacturer with a long history, it has lines for cars of different ages and classes.
Oil comparison
| Parameter | Motul 5W-40 | Shell Helix 5W-40 | Mobil 1 5W-40 |
|---|---|---|---|
| Seasonality | All-season | All-season | All-season |
| Viscosity | 5W-40 | 5W-40 | 5W-40 |
| Peculiarities | High thermal stability | Suitable for turbo engines | Wear resistant |
| Country of origin | France | Netherlands | USA |
| Applicability | Universal | For gasoline and diesel engines | For gasoline and diesel engines |
How to care for motor oil
- Regular level check. This is especially important during the off-season: low levels may indicate a leak or increased consumption.
- Condition monitoring. The color and viscosity of the oil changes over time. If the oil becomes dark or thick, it is better to replace it.
- Compliance with replacement deadlines. The average service life of synthetic oil is about 10-15 thousand kilometers. Semi-synthetic and mineral oil require replacement more often.
Experts emphasize: motor oil is an integral part of car care, on which the performance characteristics and service life of the engine depend. Products from trusted brands allow you to maintain stable engine operation even with sudden temperature changes, which is especially important in the off-season. Taking into account the engine type, climate and operating conditions, you can choose the optimal oil and ensure vehicle protection in all conditions.
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