To double-clutch shift, first you press the clutch pedal to free the engine from the transmission. This allows the collar to move into neutral without the engaged dog teeth in the side of the gear. When you release the clutch pedal, you have to rev the engine to get it to the right rpm value for the next gear.
What is a dual clutch in a car?
A dual-clutch transmission (DCT) (sometimes referred to as a twin-clutch transmission or double-clutch transmission) is a type of automatic transmission or automated automotive transmission. It uses two separate clutches for odd and even gear sets.
What is downshifting in a car?
When downshifting in a car using a stick shift, we must first depress the clutch pedal to disengage the gears, move the gearstick into the lower gear, and release the clutch pedal to re-engage the gears. Sounds simple enough, but the issue we have is when pressing the clutch the engine revs drop to idle.