What is a Wet Dual Clutch?
2 Answers
Wet dual clutch has the following meanings: 1. Wet dual clutch: It refers to a dual clutch system consisting of one large and one small multi-plate clutch, both installed coaxially in a sealed oil chamber filled with hydraulic oil. Therefore, the wet clutch structure has better adjustment capabilities and excellent thermal properties, allowing it to transmit relatively large torque; 2. Advantages: The wet dual clutch is stable and mature, not only enabling fast and smooth gear shifts without interruption but also preventing overheating at low speeds due to the cooling effect of the oil; 3. Disadvantages: The structure is complex, and the size and weight are relatively large. The manufacturing cost is significantly higher than that of a dry dual clutch. Additionally, maintenance is relatively time-consuming and labor-intensive, and the coolant needs to be replaced regularly.
The wet dual-clutch transmission is a type of automotive drivetrain. I've driven quite a few cars equipped with this technology, and it feels quite practical. Simply put, its dual clutches operate immersed in oil, which acts as both a lubricant and coolant, helping the clutch plates shift more smoothly. Unlike dry dual-clutch transmissions that rely on air for cooling and are prone to overheating, the wet type is more durable during aggressive driving or in stop-and-go traffic, reducing the risk of burning out. In actual driving, gear shifts are incredibly fast, almost instantaneous, delivering strong acceleration and slightly better fuel efficiency. However, the vehicle price tends to be higher, and regular oil changes are required for maintenance. I recommend periodic checks of the transmission fluid and avoiding prolonged high-load driving to extend its lifespan. Many mid-to-high-end cars, such as the Volkswagen Golf GTI or certain Porsche models, use this type of transmission. It offers quicker responses than traditional automatic transmissions and delivers a sportier driving experience, making it ideal for those who enjoy driving pleasure. That said, it requires more installation space and has slightly higher maintenance costs. Overall, it’s a great choice for owners who prioritize reliability and performance.