Audi 80/90/Coupe

since 1986-1991 of release

Repair and car operation



Audi 80/90/Coupe
+ 1.2. Car identification
+ 2. Engines, carburetors
3. Greasing system
+ 4. Cooling system
+ 5. Fuel system
+ 6. Exhaust system
+ 7. Ignition system
+ 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 hand brake
   10.1.9. Removal of the lever of the hand 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. Elements ABS of a forward wheel
      + 10.3.5. Elements ABS of back brakes
      10.3.6. General comments on repair
+ 11. Steering
+ 12. Body, salon
+ 13. Central air
+ 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 ABS system.

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

It is impossible to subject the control unit to high temperature, above 95оС, such such as, in the furnace for body drying after coloring or a blowtorch even for short time, and also, it is impossible to subject the control unit to temperature below – 85оС more, than within 2 hours.

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

At check of ABS do not maintain the car at the connected instrumentations.

Check after repair of brake system

After repair or replacement

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

After repair of elements ABS, such as

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