Automotive Clutch Construction


Clutch Release Cylinder

The clutch release cylinder moves the piston with hydraulic pressure from the master cylinder and operates the release fork through the push rod.

Self-adjusting release cylinder

The conical spring in the release cylinder constantly presses the push rod against the release fork with its spring force to hold the clutch pedal freeplay constant.

Adjustable release cylinder

When the diaphragm spring tip position has changed due to wear of the clutch disc, it is necessary to adjust the freeplay with the push rod.

Clutch Release Bearing

The clutch release bearing absorbs the rotational difference between the release fork (which is not turning) and the diaphragm spring (which is turning) to transmit the movement of the release fork to the diaphragm spring.

Self-centering release bearing

In transaxles for FF vehicles, the crankshaft and input shaft shift slightly. This results in noise caused by friction between the diaphragm spring and the release bearing. To prevent this noise, this mechanism supplies the center line of the diaphragm and release bearing to be aligned automatically

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