Audi A4

since 1994 release

Repair and operation of the car



A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
+ System of injection
- Coupling
   Coupling functioning
   Coupling actuating
   Coupling check
   Check of hydraulics of coupling
   The help at malfunctions
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics





The help at malfunctions

Malfunction
Its reasons
Your help
A. Coupling slips 1. Overlays of coupling are worn-out
2. Too insignificant clamping pressure of coupling
3. The slip was made oily
4. Coupling is overheated
Replace the conducted disk
Replace press a coupling disk
Replace the conducted disk and defective laying of a transmission or the crankshaft
Replace defective details
B. Coupling is not disconnected 1. Air in hydraulic system of coupling
2. In the conducted disk a dent
3. The conducted disk is deformed or the slip broke
4. The conducted disk gets jammed on a transmission shaft
5. The slip after long standing prirzhavet to a flywheel

6. Tangential sheet springs of a press disk are broken

Replace a defective detail, remove air from system
Will correct the conducted disk or replace
Replace the conducted disk

Carefully clean teeth a wire brush. Then grease with Moly paste or spray.
Put the 1st transfer and turn a starter to start the engine. All the time hold pressed a coupling pedal. Sharply press a pedal of gas and release it to tear off coupling. Otherwise dismantle.
Replace press a disk

C. Coupling is not switched off and at the same time slips Defect in a press disk of coupling Replace press a coupling disk
D. Coupling twitches 1. Defect in the engine or in a transmission suspension bracket
2. Roughnesses in an adjacent surface of a flywheel or a press disk
3. Improper slips
Replace bearings of the engine or a transmission
Replace a defective detail

Replace the conducted disk

E. Noise in coupling

1. An imbalance of the press or conducted coupling disk
2. The defective torsion damping spring
3. Defective vyzhimny bearing
4. Rivet connections in coupling are weakened
5. The defective needle bearing behind in the crankshaft
Replace press or the conducted coupling disk
Replace the conducted disk

Replace vyzhimny the bearing
Replace press a coupling disk

Replace the needle bearing










, .