Audi 80/90/Coupe

since 1986-1991 release

Repair and operation of the car


Audi 80/90/Coupe
- 1.2. Identification of the car
   1. Maintenance instruction
   1.3. Arrangement of identification plates
   1.4. Dashboard
   - 1.5. Service of the car
      1.5.2. Seasonal change like fuel
      1.5.3. Petrol additives
      1.5.4. The latest news in the field of fuel
      1.5.5. Cowl
      1.5.6. Engine compartment
      + 1.5.7. Engine oil
      1.5.8. Oil filter of the engine
      + 1.5.9. Automatic transmission liquid
      1.5.10. MKPP oil
      1.5.11. Air filter
      1.5.12. Spark plugs
      - 1.5.13. Hydraulic booster of steering and amplifier of the brake system
         1.5.13.1. Check of level of liquid of hydraulic system
      + 1.5.14. Brake fluid
      + 1.5.15. Cooling system
      + 1.5.16. Tanks for washers of a windshield and headlights of forward light
      1.5.17. Sprayers
      1.5.18. Brushes of screen wipers
      + 1.5.19. Tires / wheels
   + 1.6. Independent service of the car
   + 1.7. Specifications
   1.8. Capacities
   1.9. Sizes
   1.10. Loadings
   1.11. Schedule of preventive servicing / lubricant 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
+ 11. Steering
+ 12. Body, salon
+ 13. Air conditioning system
+ 14. Electric equipment


1.5.13. Hydraulic booster of steering and amplifier of the brake system
GENERAL INFORMATION

Audi-80/Audi-80 Quattro, Audi-90/Audi-90 Quattro

 The tank with liquid of system of hydrostrengthening of steering is located in a motive compartment.

Pressure in system of the hydraulic booster of steering moves from the hydraulic pump.

On cars of these models the hydraulic brake system with the vacuum amplifier is installed.

The correct level of liquid in a tank is important for work of system of hydrostrengthening of steering.

Audi-90 Quattro 20V, Audi of Coupet Quattro
The tank with liquid of system of hydrostrengthening of steering is located in a motive compartment.

Pressure in system of the hydraulic booster of steering and system of strengthening of brakes moves from the double hydraulic pump.

The correct level of liquid in a tank is important for work of hydraulic system. If the level of liquid goes down, then in this case the alarm bulb of the brake system will light up.