Service of Audi A4 from 2001 to 2005 release.
1. Operation and maintenance of the car
2. Engine
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
6.1. Preliminary checks
6.2. Repair of the brake system
6.2.1. The amplifier of the brake drive of tandem type / the main brake cylinder in cars with the left wheel
6.2.2. Removal and installation of the vacuum pump of brakes
6.2.3. Removal and installation of the sensor of pressure of the amplifier of the brake drive
6.2.4. Electric vacuum pump
6.3. Repair of brakes of forward wheels
6.4. ABS system
6.5. Tables
7. Onboard electric equipment
8. Body
9. Schemes of electric equipment
 







6-2-2-snyatie-i-ustanovka-vakuumnogo-nasosa-tormozov.html

6.2.2. Removal and installation of the vacuum pump of brakes

Fig. 6.22. Components of vacuum system of brakes: 1 – sensor of pressure of the amplifier of the brake drive; 2 – amplifier of the brake drive; 3 – relay of the amplifier of the brake drive; 4 – vacuum pump of brakes; 5 – vacuum hose; 6 – backpressure valve; 7 – vacuum hose



NOTE
Repair of the vacuum pump is not provided. At claims it is necessary to find out the reason by check of serviceability of work and tightness. If there is a malfunction, then replace the vacuum pump of brakes.

Removal
Remove a decorative cover.
Disconnect the electric socket 2

Fig. 6.23. Vacuum hose


Take a vacuum hose 1 of the vacuum pump (fig. 6.23).
Hand wring out a clip from fastening.

Fig. 6.24. Clip of fastening of the vacuum pump


Take the vacuum pump of brakes (fig. 6.24) up.

Installation
Installation is carried out in the return sequence.


6.2.1. The amplifier of the brake drive of tandem type / the main brake cylinder in cars with the left wheel

6.2.3. Removal and installation of the sensor of pressure of the amplifier of the brake drive