To ensure a stable belt transmission of rotation, a gear is used in the crankshaft drive. It is installed on many modern brands and models of passenger cars. Despite the simple design, the crankshaft drive is important for the full operation of the entire engine. It is responsible for the level of efficiency, as well as overall safety when driving.

1. 3 Compact (E46)
2. 3 (E46)
3. 3 Saloon (E46)
4. 3 Touring (E46)
5. 3 Coupe (E46)
6. 3 Convertible (E46)
7. 3 (E90)
8. 3 Saloon (E90)
9. 3 Touring (E91)
10. 5 (E60)
11. 5 Saloon (E60)
12. 5 Touring (E61)
13. 1 (E87)
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The operation of the crankshaft gear

The SWAG brand Gear, crankshaft operates in the most difficult conditions, with the highest load. Therefore, it is exposed regularly to the risk of premature wear and tear. Therefore, it is important to diagnose the gear in a timely manner. For different models of machines, there is a certain frequency of replacement of the gear, as well as the entire belt drive. But this period can be extended with careful use of the car. However, it is reduced often. This is due to rough driving in extreme conditions. In case of untimely technical inspection, the belt from the gear will slide off. This is fraught with serious damage.

Wear and the need to replace the gear is signaled by the occurrence of shuffling or whistling sounds during the operation of the power unit. This is the first sign of the development of the working resource of the corresponding unit. Among other indirect evidence, there is a decrease in efficiency, a sudden stop of the engine, and increased fuel consumption.