Clutch Driven Member Identification

A clutch is a mechanical device that engages and disengages power transmission, typically between the engine and the transmission.

In a typical clutch setup:

• The flywheel is attached to the engine's crankshaft and rotates with it. It serves as the primary driving surface.
• The clutch disc is splined to the transmission input shaft and is located between the flywheel and the pressure plate.
• The pressure plate is bolted to the flywheel and contains spring mechanisms.

Role of the Pressure Plate

The pressure plate's primary function is to clamp the clutch disc against the flywheel, thereby transmitting engine power to the transmission. This clamping force is generated by strong springs within the pressure plate assembly. When the clutch pedal is pressed, the release bearing pushes on the pressure plate, retracting it and disengaging the clutch. Conversely, when the pedal is released, the springs in the pressure plate forcefully drive it inwards, sandwiching the clutch disc and engaging the clutch.

Because the pressure plate is actively driven by its internal springs and controlled by the release mechanism to engage the clutch disc, it is considered the driven member of the clutch assembly responsible for actuation.

Therefore, the pressure plate is the driven member of the clutch.