Audi 80/90/Coupe

since 1986-1991 release

Repair and operation of the car



Audi 80/90/Coupe
+ 1.2. Identification of the car
+ 2. Engines, carburetors
3. Lubrication system
+ 4. Cooling system
+ 5. Fuel system
+ 6. Exhaust system
+ 7. System of ignition
+ 8. Transmission
+ 9. Suspension brackets, wheels
- 10. Brake system
   10.1.2. Brake shoes of forward brakes
   10.1.3. Brake shoes of back brakes
   10.1.4. General adjustment of back brakes (Girling)
   10.1.5. Replacement of brake shoes (all-wheel drive models)
   10.1.6. General adjustment of back brakes (Girling) (all-wheel drive models)
   10.1.7. Forks of pedals of a brake and coupling
   10.1.8. Adjustment of the emergency brake
   10.1.9. Removal of the lever of the emergency brake
   + 10.2. Hydraulic components
   - 10.3. Anti-blocking system of brakes
      10.3.2. Hydraulic pump
      10.3.3. Electronic control unit
      + 10.3.4. ABS elements of a forward wheel
      + 10.3.5. ABS elements of back brakes
      10.3.6. General comments on repair
+ 11. Steering
+ 12. Body, salon
+ 13. Air conditioning system
+ 14. Electric equipment


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10.3. Anti-blocking system of brakes

10.3.1. Work with system of anti-blocking of brakes

GENERAL INFORMATION

The system of anti-blocking of brakes (ABS) generally does not demand service.

High temperature and electric discharges can damage the ABS system.

Disconnect the connection socket from the control unit before use of electric welding at car repairs.

The control unit cannot be subjected to high temperature, it is higher than 95 ° C, such such as, in the furnace for drying of a body after coloring or a blowtorch even for a short time, and also, the control unit cannot be subjected to temperature below – 85 ° C more, than within 2 hours.

Remove the control unit from the car if it is necessary.

When checking ABS do not operate the car at the connected instrumentations.

Check after repair of the brake system

After repair or replacement

– brake shoes;
– brake disks;
– hoses;
– working cylinder;
– elements of the emergency brake;
– pass on the car with a speed more than 6 km/h;
– the alarm bulb should not light up if the ABS system as it should be.

After repair of the ABS elements, such, as

– hydraulic pump;
– control unit;
– speed sensor;
– connection wires;
– brake hoses;
– distributive valves;
– check ABS by means of a tester.