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How Many Years Can a Dual-Clutch Transmission Last?

1 Answers

Corbin

07/29/25 10:33pm

Transmissions made of carburizing steel can last over 20 years. The most critical components determining the lifespan of a dual-clutch transmission are the gears and bearings. Casting materials include carbon steel, alloy steel, ductile iron, gray iron, etc., among which carburizing steel offers the highest strength. After carburizing, quenching, and low-temperature tempering, the metal's tensile strength exceeds 500 MPa. If this material undergoes normal wear, it can be used in vehicles for over 20 years. It belongs to both manual and automatic transmissions, combining the flexibility of a manual transmission with the comfort of an automatic transmission while providing uninterrupted power output. Depending on individual usage habits, as long as the DSG is maintained on time, it generally remains durable. If issues do arise, the warranty still provides solid coverage, and newer DSG models are now quite stable. In terms of structure and raw materials, this dual-clutch transmission mainly consists of a dual clutch, gear transmission, shift actuator, and control system. The raw materials are heat-resistant, capable of withstanding 800-1000°C. The development of modern powershift transmissions has progressed to the second generation, with each update representing a breakthrough. Whether by altering shift logic or changing clutch friction plate materials, automakers strive to reduce clutch overheating and improve heat dissipation. Currently, for instance, Volkswagen vehicles tend to upshift easily at low speeds but struggle to downshift. By optimizing shift patterns, clutch wear and overheating can be minimized, reducing shift jerkiness.

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