When the motive force presses the clutch pedal, it releases the friction disc from the flywheel, allowing for a gear change. Once the pedal is released, the clutch engages, linking the engine and transmission again. Two separate gear trains exist contained read what he said in the DCT, one with odd gears and the other with even. Each prepare has a clutch, and whereas an odd gear is engaged, the second gear is already selected with its clutch disengaged, ready for the proper speed for engagement.
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