Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
3. Transmission
4. A running gear
5. The steering mechanism
6. Brake system
6.1. Preliminary checks
6.2. Repair of brake system
6.2.1. The amplifier of a brake drive тандемного 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 gauge of pressure of the amplifier of a brake drive
6.2.4. The electric vacuum pump
6.3. Repair of brakes of forward wheels
6.4. System ABS
6.5. Tables
7. An onboard electric equipment
8. A body
9. Electric equipment schemes
 




9975039f


6-2-4-ehlektricheskijj-vakuumnyjj-nasos.html

6.2.4. The electric vacuum pump

The description and work
The electric vacuum pump is established only on cars with an automatic transmission. It joins the block of management of the engine depending on pressure of air in an inlet collector.
The vacuum pump has self-diagnostics. The found out malfunctions remain in memory of the block of management of the engine.
Check of work of the electric vacuum pump by a self-diagnostics method is supposed only at the stopped engine.


6.2.3. Removal and installation of the gauge of pressure of the amplifier of a brake drive

6.3. Repair of brakes of forward wheels