ABS system. Audi A4 (from 2001 to 2005 release)
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. ABS system





Fig. 6.66. ABS/ESP components: 1 – hydrounit stretcher; 2 – the vacuum pump for the amplifier of brakes; 3 – ABS control unit; 4 – the hydraulic ABS block with the ABS control unit; 5 – pressure sensor in the brake system 1; 6 – the hydraulic ABS block with the ABS control unit; 7 – rotor of the forward right sensor of frequency of rotation; 8 – speed sensor forward right; 9 – sensor of the warning of the insufficient level of brake fluid; 10 – combination of devices; 11 – traction control system switch; 12 – sensor of an angle of rotation of a steering wheel; 13 – the sensor of cross accelerations and the sensor of rotation around a vertical axis; 14 – sensor of position of the emergency brake; 15 – rotor of the back right sensor of frequency of rotation; 16 – speed sensor back right; 17 – speed sensor back left; 18 – rotor of the back left sensor of frequency of rotation; 19 – control lamp of protivobuksovochny system; 20 – control lamp of ABS; 21 – control lamp of the brake system; 22 – switch of lamps of a stoplight; 23 – rotor of the forward left sensor of frequency of rotation; 24 – speed sensor forward left





6.3.11. Removal and installation of a basic pillow for a brake pedal

6.4.1. Instructions on carrying out repair work with anti-blocking system