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
   - 10.3. Antiblocking system of brakes
      10.3.2. The hydraulic pump
      10.3.3. The electronic block of management
      + 10.3.4. Elements ABS of a forward wheel
      + 10.3.5. Elements ABS of back brakes
      10.3.6. Broad-brush observations on repair
+ 11. A steering
+ 12. A body, salon
+ 13. A central air
+ 14. An electric equipment





10.3.2. The hydraulic pump
THE GENERAL DATA

The hydraulic pump

1. A brake tube
Connecting the hydraulic pump and
Support of a brake of the right forward wheel
2. Fastening of a plait of wires
3. A plait of wires
4. The relay of the pump of the return pipeline
5. The relay of the electromagnetic valve
6. The hydraulic pump
7. A gear lock washer
8. 10 Н.м.
9. Самоконтрящаяся a nut. 7 Н.м.
10. A gear lock washer
11. 20 Н.м.
12. A grounding wire
13. An arm
14. Fastening
15. The plug
16. A brake tube
Connecting the hydraulic pump and a support of a brake of the left forward wheel
17. A brake tube
Connecting the hydraulic pump and a support of a brake of the right back wheel
18. Brake tubes
Connecting the main brake cylinder and the hydraulic pump
19. A brake tube
Connecting the hydraulic pump and a support of a brake of the left back wheel
20. The hydraulic booster and the main brake cylinder
21. A casing

The prevention

The hydraulic pump is not subject to repair, it is possible to replace both relays only. Do not assort. If it is necessary, replace all hydraulic pump. Check up high and low pressure.


The hydraulic pump for all-wheel drive models

1. The hydraulic booster and the main brake cylinder
2. Тормознан a tube (connection "V") connecting the hydraulic pump and
The main brake cylinder
3. A plait of wires
4. A brake tube
(Connection "h") the connecting
The hydraulic pump and supports
Brakes of back wheels
5. The hydraulic pump
6. 10 Н.м.
7. Самоконтрящаяся a nut.
The moment of an inhaling 7 Н.м.
8. 20 Н.м.
9. A gear lock washer
10. A grounding wire
Check up reliability of connection
11. Кроншетйн
12. Fastening
13. The plug
14. A brake tube
(Connection "r") connecting the hydraulic pump and a support of a brake of a forward right wheel
15. A brake tube
(Connection "l") connecting the hydraulic pump and a support of a brake of the left back wheel
16. The relay of the pump of the return pipeline
17. The relay electromagnetic калппана
18. Fastening of a plait of wires
19. A casing
20. A brake tube
Connecting the hydraulic pump and the distributive valve

Replacement

PERFORMANCE ORDER
1) disconnect a wire of the negative plug of the accumulator
2) disconnect brake hoses
3) remove the hydraulic pump

The prevention

At removal and installation of brake hoses, check up, that they have been designated and established according to marks in the hydraulic pump.


Establish only firm brake hoses.

At repair, close brake hoses and branch pipes as soon as possible.

The moment of an inhaling of fastenings of brake hoses 15 Н.м.

At work which demand depressurization of hydraulic system, merge a brake liquid by means of the device for filling / of draining of a brake liquid.

In addition, it is necessary to inspect high and low pressure in brake system.

High and low pressure, check

PERFORMANCE ORDER
1) unscrew the screw спускного apertures of a support of a forward brake;
2) connect tool VW 1310 and pump over brake system;
3) establish the press device of a brake pedal between a pedal of a brake and sitting of the driver
4) press on a brake pedal that the pressure indicator showed 50 Bar
5) observe of indications of the gauge within 45 seconds
6) pressure should not fall more, than to 4 Bars
7) if pressure has fallen on большее value, replace the hydraulic pump
8) adjust the press device of a pedal of a brake so that the pressure indicator in brake system showed pressure in 6 Bar
9) wait for 3 minutes

10) pressure should not fall more, than to 1 Bar

11) if pressure has fallen on большее value, replace the hydraulic pump








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