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

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6.1.9. Check of the main brake cylinder

Connect a tester of the brake system and without hydrovacuum amplifier create pressure of 5-10 bars. If the brake pedal under pressure gradually moves, then replace the main brake cylinder.

6.1.8. Troubleshooting at unilateral wear of a brake shoe

6.1.10. Pumping of the brake system