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Is the transmission of the new Passat 330 Elite dry or wet?

1 Answers

LucasFitz

07/30/25 7:35am

The transmission of the new Passat 330 Elite is wet. The Volkswagen new Passat uses a dual-clutch transmission, with the 1.4T model equipped with a dry transmission and the 1.8T/2.0T models with a wet transmission. The wet type is relatively more stable. The latest National VI 2.0T engine (330TSI or 380TSI) is paired with the DQ381 wet dual-clutch transmission, while the 1.4T (280TSI) is paired with the DQ200 dry dual-clutch transmission. Advantages and disadvantages of wet and dry dual-clutch transmissions: 1. Wet dual-clutch transmission refers to a dual-clutch system consisting of two sets of multi-plate clutches, one large and one small, coaxially installed together in a sealed oil chamber filled with hydraulic fluid. Therefore, the wet clutch structure offers better adjustment capability and excellent thermal performance, enabling it to transmit larger torque. This technology is stable and mature, not only achieving fast and smooth gear shifts but also preventing overheating at low speeds due to the cooling effect of the oil. However, the downside is that the wet dual-clutch structure is complex, relatively larger and heavier, with higher manufacturing costs compared to dry dual-clutch transmissions. Additionally, maintenance is more time-consuming and labor-intensive, requiring regular coolant replacement. 2. Dry dual-clutch transmission transmits torque through friction plates on the driven disc of the clutch. By eliminating the related hydraulic systems and leveraging the high efficiency of dry clutches in torque transmission, dry systems consume less energy during gear shifts compared to wet systems, significantly improving fuel economy. Moreover, dry dual-clutch transmissions are lighter than wet ones. The disadvantage is that dry dual-clutch transmissions have relatively inferior heat dissipation and lower torque capacity. However, due to lower manufacturing costs and subsequent maintenance expenses, they are generally used in budget-friendly models.

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