Audi 80/Avant (B4)
since 1991-1995 release
Repair and operation of the car
+ Technical specification
+ System of production of the fulfilled gases
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ System of injection
Drive of management of coupling
Coupling service life
Check of the hydraulic drive of coupling
List of malfunctions
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrical system
+ System of ignition
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
In the car with the mechanical transmission coupling carries out two tasks: on the one hand, with its help it is possible to divide when switching connection the engine/transmission because only not loaded transmission allows switching. On the other hand, at dispersal of the working engine coupling can softly "connect" to still idle parts of the drive.
The following important function is performed by the release bearing: when pressing a pedal of coupling it nestles by means of the drive of management of coupling (see the following section) on a press disk and overcomes force of a spring of a press disk. The conducted disk thereby is released from the "clamped" situation and can freely rotate between a press disk and a flywheel. Torque transmission between the engine and the transmission is stopped.
If the coupling pedal is released again, then the dish-shaped spring of a press disk presses the conducted disk to a flywheel again, at one stroke stopping its free rotation. All three elements represent rigidly connected connection again. The torque of the engine can be transferred to the drive.
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