Audi 80/90/Coupe

Since 1986-1991 of release

Repair and car operation


Audi 80/90/Coupe
+ 1.2. Car identification
+ 2. Engines, carburettors
3. Greasing system
+ 4. Cooling system
+ 5. Fuel system
+ 6. An exhaust system
+ 7. Ignition system
+ 8. Transmission
+ 9. Suspension brackets, wheels
- 10. Brake system
   10.1.2. Brake Pads forward brakes
   10.1.3. Brake Pads back brakes
   10.1.4. The general adjustment of back brakes (Girling)
   10.1.5. Replacement brake колодок (all-wheel drive models)
   10.1.6. The general adjustment of back brakes (Girling) (all-wheel drive models)
   10.1.7. Plugs of pedals of a brake and coupling
   10.1.8. Adjustment of a manual brake
   10.1.9. Removal of the lever of a manual brake
   - 10.2. Hydraulic components
      10.2.1. The hydraulic booster of brakes / the main brake cylinder
      10.2.2. Changes in hydraulic system
      10.2.3. The main brake cylinder / сервоцилиндр brake system
   + 10.3. Antiblocking system of brakes
+ 11. A steering
+ 12. A body, salon
+ 13. A central air
+ 14. An electric equipment




10.2.2. Changes in hydraulic system
THE GENERAL DATA

Hydraulic system

1. The return pipeline
Going from the steering valve
The inhaling moment: 40 Н.м.
2. 20 Н.м.
3. A high pressure tube
4. 35 Н.м.
Use only a bolt "банджо" without a filter
5. The hydraulic pump
Is not subject to repair
6. A soaking up hose
7. 50 Н.м.
8. A hose of the return pipeline
9. The rubber plug
10. 10 Н.м.
11. An arm
For fastening of the accumulator of pressure
12. The pressure accumulator
Before removal reduce pressure, having pressed a pedal of a brake about 20 times at the switched off engine
Before removal of the old accumulator drill an aperture in diameter about 3 mm on the party with air (the party on which there are no connections)
13. 35 Н.м.
Use a bolt "банджо" with a filter
14. A steering drive
Has a clip for fastening of a tube of a high pressure
15. A return hose
16. A tank
With the alarm indicator of level of oil
Fill with oil for greasing of hydraulic systems
Check of level of oil: turn forward wheels directly, allow to the engine to work in a single mode about 2 minutes then muffle the engine and check up oil level
17. A high pressure tube
Before removal reduce pressure, having pressed a pedal of a brake about 20 times at the switched off engine
18. Сервоцилиндр brake system
Is not subject to repair
19. The panel of devices
20. The return pipeline
21. A tee

Always replace sealing rings in places of connections.

The prevention

Put on goggles at aperture drilling in the pressure accumulator.

Since 1990 following elements have been modified on cars with a hydraulic drive of brakes:

      – High pressure tubes;
      – Bolts "банджо" for connections of tubes of a high pressure in connection places to the hydraulic pump and the pressure accumulator;
      – Sealing rings for connections of tubes of a high pressure;
      – The hydraulic pump;
      – The pressure accumulator;
      – An arm of the accumulator of pressure;
      – The plug of fastening of the accumulator of pressure.

These changes were entered gradually since model: the Compartment 8B LA 006 861.

Changes in hydraulic system

1. A high pressure tube
With flutes for installation of sealing rings
2. A bolt банджо
With the filter
M10x1 (Was M12x1.5), 30 Н.м.
3. Sealing rings
Always replace
Earlier were metal
4. The hydraulic pump
Carving for connection of a tube of a high pressure = M10x1 (was M12x1.5)
Use new metal epiploons at connection VW 1354
5. Plugs, grease with anticorrosive greasing at installation
 6. Fastening
Establish plugs and put on the accumulator
7. A bolt "банджо"
With the filter
M10x1 (Was M12x1.5)
8. The pressure accumulator
Carving for connection of a tube of a high pressure = M10x1 (was M12x1.5)
Pressure of the new accumulator = 78-82 Bar
9. An arm
For fastening of the accumulator of pressure
Establish on the car before installation of hydraulic tubes