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
 




асфальтирование участка на даче - Компания ДСК Капитал.



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

Removal
Uncover the water taking away box.
Disconnect the electric socket the movement down.

Fig. 6.25. Screws of fastening of the electric socket


Unscrew screws (fig. 6.25).

NOTE
Pressure sensor can also be заклипсован.
Fig. 6.26. Components of the vacuum pump: 1 – amplifier of the brake drive; 2 – vacuum line; 3 – hose clip; 4 – pressure sensor; 5 – backpressure valve


Disconnect the vacuum pump of brakes from the backpressure valve, as shown in the figure 6.26.
Take pressure sensor.



Installation
Installation is carried out in the return sequence.

Check of the backpressure valve
Air has to pass through the backpressure valve A

Fig. 6.27. Check of the backpressure valve

in the direction of an arrow (fig. 6.27).
In the opposite direction the valve has to remain closed.
You watch correctness of assembly situation.


6.2.2. Removal and installation of the vacuum pump of brakes

6.2.4. Electric vacuum pump