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
			6.1.1. Brake disks
			6.1.2. Check of brake system
			6.1.3. Replacement of a brake liquid
			6.1.4. Visual check of brake system on presence негерметичности and damages
			6.1.5. Check of a thickness of brake overlays
			6.1.6. Check at high and at low pressure
			6.1.7. Check of residual pressure
			6.1.8. Troubleshooting at unilateral deterioration brake pads
			6.1.9. Check of the main brake cylinder
			6.1.10. Prorolling of 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 brake system
		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

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6.1.9. Check of the main brake cylinder

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

6.1.8. Troubleshooting at unilateral deterioration brake pads

6.1.10. Prorolling of brake system