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How the clutch works

How the clutch works Bolt to engine block Pressure plate The flywheel is bolted to the rear end of the crankshaft. Part of its surface mates to the driven plate. The driven plate is located on the splined end of the gearbox input shaft, through which is transmits power when clamped between the flywheel and pressure plate. Clutch operation starts at the pedal. It is connected to either a cable or a hydraulic master cylinder. The gearbox input shaft is splined to carry the driven plate. The release bearing is operated by a fork. Bell housing The clutch cover plate is bolted to the flywheel, and its diaphragm spring clamps the driven plate to the flywheel. The tongues of the diaphragm springs point inwards. When the clutch pedal is depressed, the release bearing pushes against the inner rim of the diaphragm, releasing clamping pressure on the driven plate.

Explained in

    How a car clutch works

    The first stage in the transmission of a car with a manual gearbox is the clutch. Read more

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