How Does A Clutch Of A Car Work?


2 Answers

Chris Hickman Profile
Chris Hickman answered
The clutch is a device used to disengage the vehicle's engine from the transmission to the drive wheels. This is necessary on manual cars when the driver wants to come to a complete halt or to change gear.
The clutch mechanism ususally sits next to the flywheel in a housing which shields it from any detritus thrown up from the road. A number of powerful springs hold friction plates together. The they rotate with the engine and flywheel and connect to the gearbox.
When the clutch pedal is depressed by the driver a linkage, either mechanical but more often hydraulic, transfers the motion. In the latter case a slave cylinder on the clutch housing moves a lever which presses on a thrust plate, which in turn depresses the clutch springs allowing the clutch plates to part. The engine keeps on turning but the link to the drive train is broken.
Hassan Raza Profile
Hassan Raza answered
The clutch consists of two rotating discs which can be moved apart or together by a clutch pedal. Together, they connect the motor with the transmission (gearbox) and drive wheels. When the discs are moved apart by the clutch pedal, the motor and gearbox are disconnected to allow the gears to be changed manually using the gearshift. The clutch also allows the motor to be started and run without moving the car.

The clutch pedal is always located left of the brake pedal. When it is pushed completely down to the floor of the car, the two clutch discs are moved apart. When the clutch pedal is all the way up from the floor, the two clutch discs are forced together. They are then held firmly together as they rotate around.

The contact point is that point when the clutch pedal is held part way up from the floor and the rotating discs start touching or rubbing each other. Your foot can feel this contact taking place, and it is then that the car begins to move. This point is also referred to as the friction point or hesitation point.

When you allow your left foot to rest lightly on the clutch pedal while the car is moving, you are said to be "riding" the clutch. Such a habit can increase the wear on the clutch and waste fuel.

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