Minyak gearbox yang kotor biasanya menjadi pekat dan mengandungi habuk besi. Habuk besi ini terhasil daripada geseran antara gigi-gigi gear yang berlaku setiap kali memandu. The DCT employs two clutches to shift gears, providing optimum general performance. It makes use of two individual clutches for odd and even gear sets, https://kameronuejlo.webbuzzfeed.com/34642003/how-gearbox-auto-can-save-you-time-stress-and-money