
Wet dual clutch refers to a dual-clutch transmission where the clutch plates are immersed in transmission oil. There are two types of dual-clutch transmissions: dry and wet. The clutch plates in a dry dual-clutch transmission are not immersed in transmission oil. Dual-clutch transmissions are a relatively common type of automatic transmission, developed based on manual transmissions. The cooling oil in a wet dual clutch does not protect the friction plates, ensuring smooth and gentle power transmission. Its advantages include a long service life and generally trouble-free operation unless operational procedures are violated, such as frequently keeping the clutch in a semi-engaged state. Wet dual clutches are commonly used in automatic transmissions, such as the widely used automated manual transmissions. Through the action of hydraulic cylinders, multiple steel plates and friction plates are pressed together to engage the clutch, while releasing the oil allows the steel plates and friction plates to separate under spring force.

The wet dual-clutch is a type of automotive transmission where the clutch plates operate immersed in oil, which helps cool and lubricate the friction surfaces, enhancing durability. In contrast, the dry dual-clutch lacks oil immersion, making it lighter but more prone to overheating and wear. With years of driving experience, I find the wet dual-clutch particularly worry-free in traffic jams or during long drives, offering smooth gear shifts without any jerking. The downside is a slight increase in weight and slightly higher fuel consumption. Some models from brands like Volkswagen and Ford commonly use this type of transmission—my friend’s old Golf, for example, has a wet dual-clutch and hasn’t needed major repairs in ten years. When choosing, consider your driving habits: if you frequently drive on highways or carry heavy loads, the wet type is more reliable.

As someone who frequently works with cars, the core of a wet dual-clutch system is its oil cooling system. The clutch plates are immersed in oil, much like soaking in a bathtub, which ensures excellent heat dissipation and prevents friction-induced wear. It excels at handling high torque, making it suitable for off-road vehicles or sports cars. Maintenance is key—regular oil changes and checking the oil passages are essential to avoid blockages that can cause jerking or malfunctions. There is a slight weight issue, leading to a minor increase in fuel consumption, but the longer lifespan saves on repair costs. For example, my repair logs show that many vehicles with wet clutches last three to four years longer on average than those with dry clutches. Simply put, its oil lubrication ensures durability, making it ideal for daily driving.

Car enthusiasts absolutely adore wet dual-clutch transmissions! They shift gears in milliseconds, accelerating like a rocket blast. Their track performance is rock solid, with clutch oil cooling to resist high temperatures, ensuring no breakdowns during long runs. Compared to dry types, wet ones are a bit heavier but more durable, perfect for performance cars like the Porsche 911. They're also thrilling for daily driving, with smooth shifts and no hiccups. The downside? A higher price tag, but the driving excitement makes it worth every penny.


