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
      10.2.1. Hydraulic booster of brakes / main brake cylinder
      10.2.2. Changes in hydraulic system
      10.2.3. Main brake cylinder / servo cylinder of the brake system
   + 10.3. Anti-blocking system of brakes
+ 11. Steering
+ 12. Body, salon
+ 13. Air conditioning system
+ 14. Electric equipment

10.2.1. Hydraulic booster of brakes / main brake cylinder

GENERAL INFORMATION

Hydraulic booster of brakes / Main brake cylinder

1. Fork
2. Lock-nut
3. Fixing arm
4. Filter
5. Hydraulic booster of brakes
if it is faulty, replace entirely
on cars with the 5-cylinder engine the vacuum pump is installed
6. Safety valve
7. Vacuum hose
8. The union with a clip
9. Washer
10. 25 N. of m.
11. Main brake cylinder
do not sort
if it is faulty, replace entirely

12. Cap
moisten in brake fluid and establish in an opening of the main brake cylinder
install a tank of brake fluid in a cap opening
13. Tank of brake fluid
fill with brake fluid to the mark MAX
14. Filter
15. Cap
16. Epiploon
17. A sealing ring, always replace
18. Arm
19. Washer
20. 20 N. of m.

Hydraulic booster of brakes / Main brake cylinder

1. Cover
2. Air descent opening screw
3. Dustproof cap
4. Safety valve
5. Main brake cylinder
do not sort
is not subject to repair
if it is necessary, replace entirely
6. 25 N. of m.
7. Dustproof cap
8. Air descent opening screw
9. Distributive valve
it is not regulated
10. 20 N. of m.
11. Arm
12. Filter
13. Arm
14. 20 N. of m.
15. Sealing ring
replacement: after installation of the hydraulic booster and an arm, move a ring to the body panel

16. Lock-nut
17. Fork
18. 25 N. of m.
19. Body panel
20. 20 N. of m.
21. Arm
22. 10 N. of m.
23. Arm
24. Sealing ring
always replace
25. Hydraulic booster
if it is faulty, replace entirely
26. Cap
moisten in brake fluid and establish in an opening of the main brake cylinder
install a tank of brake fluid in openings of caps
27. Tank of brake fluid
the side union for coupling hydraulics
28. Filter
29. Epiploon