Dual-Clutch Transmission Explained | West Way Nissan
  • Dual-Clutch Transmission Explained
  • 30 April 2019

    Dual-Clutch Transmission Explained


    What is DCT?

     

    If you’re in the market for a new car and you don’t know what DCT is – you are not alone. We have provided an overview of what dual-clutch transmission is for those who are considering making the switch.

     

    How does DCT work?

    In a vehicle with manual transmission, the driver has to press down the clutch pedal, which briefly interrupts power flow in order to change gears.

    A dual-clutch vehicle has no pedals and two clutches. Both clutches operate different gears, allowing for gear changes without disconnecting the engine from the transmission. These clutches are controlled by a series of sophisticated electronics meaning that there is no need for the driver to use a clutch pedal. One clutch controls odd gears (first, third, fifth and reverse), while the other controls the even gears (second, fourth and sixth). Using this arrangement, gears can be changed without interrupting power flow from the engine to the transmission.

     


    What are the benefits?

    Firstly, the transmission is never disconnected from the powertrain, allowing much quicker gear changes. This results in improved acceleration when compared with a traditional manual or automatic.

    Dual-clutch transmissions are also more efficient. As the power flow to the engine is not interrupted, they offer better fuel economy than most automatic or manual transmissions.

    A dual-clutch makes it difficult to notice gear changes, making it a smoother ride and increasing ride comfort.




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    The all New Nissan X-Trail is a DCT, featuring all of the above and is available now for a great price.

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