The clutch is definitely an often overlooked component to a manual transmission. Without a clutch system the vehicle can have no way to disengage the power to the drive train enabling the vehicle to halt, start, or to even shift its gears. The clutch is situated inside a container between the engine and also the transmission. The housing is shaped like a bell so it really is called the Bell housing. The clutch connects with the engines fly wheel and also the output shaft in the transmission then is inserted in to the clutch disc to let the engine to turn the shaft once the clutch is disengaged.

Pressure Plate: The pressure plate assembly is secured into the flywheel via mounting bolts connecting the cover stamping into the flywheel. During activation, the pressure plate assembly clamps that disc assembly to the flywheel, transmitting engine power into the transmission. During disengagement, power flow is interrupted once the pressure plate unclamps the disc from the flywheel. Instead, the pressure plate lifts from the flywheel, setting up a gap large enough the disc to disengage the flywheel, enabling the operator to shift.

Pilot Bushings: Pilot bearings in addition to bushings serve to be a guide and seat for any transmission input shaft during engagement and disengagement once the flywheel and pressure plate assembly spin at speeds different from the input shaft in addition to disc assembly, the pilot bearing rotates.

Throw-out Bearing: Release bearings were created to pivot forward and compress that pressure plate levers, which disengages the clutch system. Although release bearings are all designed for the same essential function, they come in many sizes and shapes because they must work in partnership with a various actuation systems.

By way of example, angular contact bearings tend to be matched with hydraulic systems, and are made to remain in constant contact with all the clutch diaphragm spring fingers. As a result, these bearings employ a self-centering attribute that compensates with regard to misalignment by centering that bearing equally to the diameter of that diaphragms spring fingers. This reduces noises, heat, vibration, and bearing deterioration while increasing the life span of the clutch.

Standard release bearings, on the other hand, aren't designed with regard to constant contact functions. Instead, they are designed to work in partnership with mechanical actuation systems due to the release bearing thrust face being in contact with pressure plate fingers only during clutch system actuation. Contact time is short so that slight misalignment doesn't matter.

The most recent change in release bearing technology integrates the clutch system actuation, in addition to the released bearing, directly into one component. This system is called a CSC (concentric slave cylinder). It eliminates the demand for several additional components including the fork, bearing retainer, pivot ball, and traditional design release bearing.

Lourdes Amil is a Content Specialist for Morris 4x4 Center and Jeep Enthusiast. Morris 4x4 Center is the Foremost Online Retailer of Jeep Parts and Accessories.
(c) Copyright Lourdes Amil 2010, All Rights Reserved Worldwide.
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Transmission Clutch
Transmission Clutch Basics
By Lourdes M Amil

Clutch Disc: The disc is mounted into the input shaft, between the pressure plate assembly and also the flywheel. During activation, the disc slides forward to the input shaft to become solidly clamped, as well as "engaged", between the flywheel and also the pressure plate set up. During disengagement, the disc is not engaged. Although that pressure plate set up and flywheel keep on rotating, the input shaft and disc are no longer being rotated because of the engine.
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