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
6.3. Repair of brakes of forward wheels
6.4. ABS system
6.4.1. Instructions on carrying out repair work with anti-blocking system
6.4.2. Anti-blocking system (ABS) Bosch 5.7
6.4.3. Removal and installation of the hydraulic control unit
6.4.4. Replacement of the ABS control unit
6.4.5. Removal and installation of the hydraulic block
6.4.6. Removal and installation of components of the ABS system on a forward axis
6.4.7. Removal and installation of the sensor of frequency of rotation on a back axis
6.4.8. Removal and installation of a rotor on a back axis
6.4.9. Removal and installation of a rotor on a back axis
6.4.10. Removal and installation of the switch of stoplights
6.4.11. Removal and installation of the sensor of cross accelerations and the sensor of rotation around a vertical axis
6.4.12. Removal and installation of the sensor of pressure in the brake system
6.5. Tables
7. Onboard electric equipment
8. Body
9. Schemes of electric equipment
 







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6.4.4. Replacement of the ABS control unit

ATTENTION
Disconnect the control unit from the hydraulic block only in the removed state.

NOTE
Before removal the hydraulic block should be cleaned carefully.
Before removal of the control unit it is necessary to consider memory of malfunctions and if necessary to unpack codes of malfunctions.

Removal
Install the hydraulic block with the control unit on a pure plain surface.
Replacement is allowed to be made only to the experts having the corresponding qualification.


6.4.3. Removal and installation of the hydraulic control unit

6.4.5. Removal and installation of the hydraulic block