Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
3. Transmission
4. A running gear
4.1. Wheels and tyres
4.1.1. The general information on wheels and tyres
4.1.2. Specifications for re-equipment of disks and tyres
4.1.3. Indexes of speed of tyres
4.1.4. Marks on disks
4.1.5. Compound disks
4.1.6. Deterioration and ходимость tyres
4.1.7. Deterioration of high-speed tyres
4.1.8. Service of tyres
4.1.9. In regular intervals worn out tyres
4.1.10. Measurement of height of drawing of a protector
4.1.11. Unilateral deterioration
4.1.12. Diagonal non-uniform deterioration
4.1.13. Noise качения tyres
4.1.14. Balancing
4.1.15. Radial and lateral palpation of wheels and tyres
4.1.16. Check of radial and lateral palpation of a disk with the tyre by means of the indicator of hour type for tyres V.A.G 1435
4.1.17. Minimisation
4.1.18. Lateral withdrawal of the car
4.1.19. Elimination of lateral withdrawal
4.1.20. Damages of tyres
4.1.21. A design of the radial tyre
4.1.22. Loss of pressure of air in tyres
4.1.23. Damages of tyres because of errors at mounting (assembly damages)
4.1.24. Marks sidewallsы tyres
4.1.25. Shift of wheels
4.1.26. Instructions on replacement and installation of wheels
4.1.27. Change of tyres
4.1.28. Removal and installation of the case of the metal gate
4.2. The general data on a car running gear
4.3. Repair of a suspension bracket of forward wheels
4.4. A back suspension bracket
4.5. Tables
5. The steering mechanism
6. Brake system
7. An onboard electric equipment
8. A body
9. Electric equipment schemes



4.1.5. Compound disks

Compound disks consist of several details.
The most important are the rim and a wheel disk. These details fasten to each other special bolts with application of especial technology. Thanks to it the density, safety and accuracy of rotation of a wheel without radial palpation is provided. In the conditions of a repair truck or the authorised station performance of these important requirements cannot be guaranteed.

It is forbidden to assort or repair compound disks.

Legkosplavnye disks with replaceable decorative elements
The given disks are equipped by replaceable decorative elements. At installation to observe following instructions.
Before вкручиванием new wheel bolts clear a carving in a disk.

Fig. 4.1. A decorative element of a disk: 1 – a decorative element; 2 – bolts with internal шестигранником

Use new bolts (fig. 4.1).
The inhaling moment самоконтрящихся bolts with internal шестигранником: 5 Нм.

4.1.4. Marks on disks

4.1.6. Deterioration and ходимость tyres