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Pressure plate (also called clutch cover) serves to press the driven disk to the flywheel. This helps to release the flywheel from pressure if necessary. The pressure plate consists of a diaphragm spring. The spring consists of metal elastic petals, fixed on a circle of the pressure plate. The structure of the pressure plate in the car differs from other vehicles, for example, from tractors. In the car this part is connected with the engine, but the pressure plate is connected with the transmission.

It is necessary to note that the capacity, kept by coupling, depends on the surface of the pressure plate, clutch plate. Moreover, it also depends on force of springs which are located on the pressure plate that is on force of the above-named metal petals. These springs do not look like we are used to see them. But they are named so because of the function they perform. When the clutch pedal is pressed, due to the cable or the hydraulic piston the plug which shifts the bearing to springs or to petals, is pushed. Then the springs rest against such detail, as the clutch bearing that allows them to stretch and press the clutch disc back to the pressure disc.

To absorb other transmission shocks, there are required other springs, which are located on the circle of the clutch plate. Similar shocks appear if the driver sharply releases the clutch when taking off. If you need to replace the pressure plate, do not delay to change it. All the more, nowadays you can order all the parts you need, like steering gear, springs or rear muffler in our online shop at the best price. Their delivery will take just several days.

What you need to know about clutch cover assembly replacement: lifetime limits, common defects and their signs, tips and recommendations

Clutch cover assembly service life is about 100 000 – 120 000 operational kilometers. The causes for early pressure disc replacement can be wearing out of diaphragm spring blades, deformation, cracks.

Defect signs of the clutch cover assembly include free movement of the clutch pedal, screeching at gear shifting, worsening of car dynamics. These signs can also point at the other clutch elements breakdown. You can find out which detail is broken down only after dismantling the unit.

Clutch  pressure disc diagnostics is performed at a service station because this procedure is laborious and requires gearbox dismantling. After having dismantled the unit a specialist will examine it and replace the pressure disc and connected elements if necessary.

For component replacement you need to address to service station specialists for help. At a service station your car is set onto a lift platform, specialists remove the negative battery terminal and demount the gearbox, then remove the pressure disc. After new component installation clutch linkage is adjusted. It is recommended to fully replace interacting components: the clutch cover assembly, the driven disc and the clutch bearing.