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
6.1.1. Brake disks
6.1.2. Check of the brake system
6.1.3. Replacement of brake fluid
6.1.4. Visual check of the brake system on existence of leakage and damages
6.1.5. Check of thickness of brake slips
6.1.6. Check at high and with a low pressure
6.1.7. Check of residual pressure
6.1.8. Troubleshooting at unilateral wear of a brake shoe
6.1.9. Check of the main brake cylinder
6.1.10. Pumping of the brake system
6.1.11. Process of removal of air for cars with electronic system of maintenance of course stability (ESP)
6.2. Repair of the brake system
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


6.1.1. Brake disks

When performing repair work on the brake system on the surface of friction of brake disks hair scratches often are found. Hair scratches length to length of 10 mm are not technical defect and cannot be the cause of replacement of brake disks. Brake disks with through scratches of a surface of friction are subject to replacement.

6.1. Preliminary checks

6.1.2. Check of the brake system