Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car



Audi 80/Avant
+ Technical specification
+ Engines
+ System of production of the fulfilled gases
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ System of injection
- Coupling
   Drive of management of coupling
   Coupling service life
   Coupling check
   Check of the hydraulic drive of coupling
   Coupling removal
   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
+ Lighting
+ Signaling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications





List of malfunctions

Coupling

Malfunction
Its reason
Than to help
A. Coupling slips 1. Overlays of coupling are worn-out
2. Insufficient effort of pressing of coupling
3. Overlays of coupling are greasy
4. Coupling overheated
To replace the conducted disk
To replace press a disk
To replace the conducted disk and a defective sealing epiploon of the transmission or a bent shaft
To replace faulty details
B. Coupling does not separate 1. Air in the hydraulic drive of coupling
2. A beating of the conducted disk
3. The deformed conducted disk or the broken slip
4. The conducted disk clamps on a transmission shaft
5. After very long parking the slip rusted to a flywheel
6. Tangential flat springs of a press disk are broken
To replace a faulty detail, to pump over
To correct or replace the conducted disk
To replace the conducted disk
To properly clean melkoshlitsevy connection by a wire brush.
To grease in conclusion with paste or Moly spray
To include the first transfer and to put a starter in order that earned the engine in action, to press constantly a coupling pedal. To press sharply a pedal of an accelerator and to release right there to release coupling. Otherwise to dismantle
To replace press a disk
C. Coupling is not separated and at the same time "conducts" The clutch plate is worn-out press To replace press a disk
D. Coupling pulls 1. Malfunction of the engine or knots of fastening of the transmission
2. Roughnesses of a surface of a prileganiye of a flywheel or press disk
3. Wrong slips
To replace the bearing of the engine or knots of fastening of the transmission
To replace a faulty detail
To replace the conducted disk
E. Coupling noise 1. An imbalance of a press clutch plate or the conducted disk
2. Defective spring of a quencher of tortional fluctuations
3. The release bearing is faulty
4. Rivet connections in coupling are weakened
5. The needle bearing in a back end face of a bent shaft is faulty
To replace press a clutch plate or the conducted disk
To replace the conducted disk
To replace the release bearing
To replace press a clutch plate
To replace the needle bearing







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