Audi A3

Since 1997 of release

Repair and car operation

Audi A3
+ The maintenance instruction
- Current leaving and service
   The routine maintenance schedule
   The general information on adjustment
   Check of levels of liquids, the control of leaks
   Check of a condition of tyres and pressure in them
   Replacement of impellent oil and the oil filter
   Check of a gear belt of drive ГРМ on presence of damages, deterioration measurement
   Check of brake system
   Check of fuel system
   Rotation and replacement of wheels. Chains противоскольжения
   Check of a condition and replacement of hoses of an impellent compartment, localisation of leaks
   Check of functioning of system of cooling
   Check of a condition of system of release of the fulfilled gases
   Visual check of tightness of a box of a gear change
   Check of a condition of components of a suspension bracket and steering
   Check of a condition of protective covers of power shafts
   Greasing of clamps of doors and the lock cylinder
   Condition check, adjustment and replacement of brushes of screen wipers
   The visual control of a seat belt and the block of a pillow of safety
   Check of a condition of the battery, care it and gymnastics
   Level check трансмиссионного oils РКПП
   Replacement of the filter of air of salon
   Replacement of a filtering element of the air filter
   Replacement of a brake liquid
   Check and replacement of spark plugs
   Replacement of the fuel filter of the diesel engine
   Check of level of a liquid of system of hydrostrengthening of a wheel
   Check of level of a liquid of the main transfer of automatic transmission
   Oil replacement in coupling Haldex of models with a full drive
   Condition check drivers ridge belts
   Level check трансмиссионной liquids АТ
+ The engine
+ Systems of cooling, heating
+ The power supply system and release of the fulfilled gases
+ Engine electric equipment
+ Manual box of a gear change
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electroschemes

Check of a condition of tyres and pressure in them


Indicators of deterioration of a protector of the tyre to depth of 1.6 mm are in the places designated on sidewall TWI

Check of pressure of air in tyres

The gate of tyres

1 both 2 – rubber and metal caps
3 – the gate
4 – the gate case

1. UDI depending on model and equipment can have tyres and disks of the various sizes. Disks have depth запрессовки 38 mm. Depth запрессовки is a distance from the middle of a disk to a persistent surface of a wheel on a brake disk or a drum.
Bolts of a wheel for steel and легкосплавных disks have the identical sizes.


At installation легкосплавных disks of other manufacturers bolts of other sizes can be demanded.

The technics constantly develops. Can be so that for older models other values of pressure in tyres are admissible. The sizes specified in documents to the car are defining.

2. At a sports manner of driving it is recommended to increase pressure in forward and back tyres by 0.2 bar. At pressure increase it is necessary to start with a base-line value for various conditions of loading.
3. Winter tyres as a rule have pressure upon 0.2 bar above than summer. It is necessary to consider recommendations of manufacturers of winter tyres.
4. As winter tyres have restriction on speed, in sight of the driver the tablet with instructions of the maximum speed should be strengthened.
Designations of disks

Example 6 J х 15:

6 width of a disk in inches
J a letter designation of height and a contour onboard закраины disk rims
х a designation of a unicomponent deep disk
15 diameter of a disk in inches

Admissible lateral palpation on onboard закраине a disk: 1.2 mm;
Admissible vertical palpation on a landing shelf of a disk: 0.8 mm.

Designation of tyres

Example: 195/70 R 14 89 H

195 width of the tyre in mm
/70 the relation of height to width (the height of cross-section section of the tyre makes 70 % from width)
If отельные data on the relation of width to height are absent (for example, 175 R 14), means it is a question of "the normal" relation. It makes 82 %.
Н a class of speed, Н: to 210 km/h (on new tyres it is resulted not always).
R a radial design
14 size of a disk in inches
89 parametre of load-carrying capacity


If between the data 14 and 89 there is designation M+S, it is a question of tyres with a winter protector.

Н a designation of admissible maximum speed.
The letter of speed stands up for in the size of the tyre. Symbols of speed concern both to summer, and winter tyres.

Letter designations of speed

Q 160 H 210
S 180 V 240
T 190 W 270

Date of manufacturing of the tyre

Date of manufacturing of the tyre costs on the tyre in a code of the manufacturer

Example: DOT CUL2 UM8 019 TUBELESS

DOT Department of Transportation (the Ministry of Transport of the USA)
CU reduction of the name of the manufacturer
L2 The size of the tyre
UM8 Tyre execution
01 date of manufacturing – 01st working week 1999
TUBELESS бескамерная (TUBETYPE – the tyre with the chamber)

5. Regular check of a condition of tyres will allow you to avoid the troubles connected with stops in a way because of the lowered wheel. Besides, such checks give the valuable information on possible problems with a steering and a suspension bracket before occurrence in them of serious damages.
6. Tyres are equipped by the built in strips of indication of deterioration of a protector which are bared at decrease in depth of a protector to 1.6 mm then tyres are considered worn out. This size represents is minimum admissible depth of a protector; the tyres, which depth of a protector of 2 mm and less in most cases is recommended to replace. Depth of a protector also can be defined by means of the simple and inexpensive adaptation known under the name of a measuring instrument of depth of a protector.
7. Pay attention to any unusual deterioration of protectors. Such defects of a protector as cavities, cambers, уплощения and stronger deterioration on the one hand specify in infringement of corners of installation of forward wheels and-or wheel balancing. At revealing any of the listed defects it is necessary to address for their updating in шиномонтажную a workshop.
8. Carefully check the tyre on presence of cuts, punctures and got stuck nails or buttons. Sometimes after протыкания tyres a nail it still some time holds pressure or lowers very slowly.

At suspicion on presence such “a slow puncture” at first check up tightness of a nipple of the gate of a rating. Then examine a protector on presence at it got stuck strangers of subjects or the punctures closed up earlier which has started over again to pass air. If there is a suspicion that there is a puncture, to make sure of its presence it is possible, having moistened a suspected site with soap water. In the presence of leak the solution will start to bubble. If not too big, the tyre it is usually possible to repair a puncture in any шиномонтажной a workshop.
9. Carefully examine internal lateral surfaces of tyres on presence on them of signs of leak of a brake liquid. If those are available, immediately check up brake system.
10. Maintenance in tyres of correct pressure increases term of their service, helps to save fuel and improves the general comfort of movement. The special manometre is necessary for pressure check.


Always hold an exact manometre in the ware box. Indications of the manometres which have been built in nozzles of air hoses at stations of service, often happen inexact.

11. Always check pressure upon cold tyres (i.e. to a trip on the car). If to check pressure on warm or разогретых tyres, it will lead to overestimate of indications of a manometre because of thermal expansion of tyres. In this case never it is necessary to lower pressure since after cooling of the tyre it will appear below norm.
12. Screw together a protective cap from the gate of a rating acting from a disk of a wheel or from a cap of a nave, then densely press to the gate a manometre nozzle. Consider instrument readings and compare them with recommended in Specifications. Do not forget to establish into place a protective cap for hit prevention in the mechanism of a nipple of a dirt and a moisture. Check up pressure in all four tyres and if necessary pump up them to the recommended value of pressure.
13. Do not forget to support demanded pressure and in a spare wheel.
Check of pressure of air in tyres
14. Check of pressure of air should be spent only on cold tyres.
15. Turn away a gate cap.
16. Pressure of air in tyres is checked once a month, and also at service carrying out (including spare a wheel).
17. Besides, pressure of air are necessary for checking before each long trip since temperature loading on tyres in this case increases.
18. Necessary pressure of air in tyres is resulted on a label which is on an inside of a cover of a fuel tank.


At application of winter tyres pressure of air should be increased by 0.2 bar in relation to the established value.

19. Pressure of air of narrow tyres of a spare wheel is specified on sidewall a disk.
Check of the gate of tyres


Applied extension pieces of gates should be checked up on presence of damages and the pollution conducting to негерметичности. If necessary it is necessary to replace extension pieces.

20. Turn away a rubber protective cap and metal.
21. Put on the gate a small amount of a soap solution or a saliva. If the air vial is formed, tighten an insert 3 protective cap 2.


It is necessary to apply to gate pulling up only a protective cap 2. 1 rubber protective cap, 4 gate.

22. Again check up the gate. If there are vials and the gate it is not possible to tighten, it it is necessary to replace (work HUNDRED).
23. Necessarily again establish into place a protective cap.

Examples of characteristic deterioration of protectors of tyres

Lateral deterioration

Insufficient pressure in the tyre leads to its overheat at movement owing to an excessive deflection therefore the protector does not nestle sufficiently on a road surface. It leads to loss of coupling with road and to excessive deterioration of a protector, not to mention danger of an exit of the tyre out of operation as a result of an overheat.

Check up and adjust pressure.

Wrong disorder of wheels (deterioration on the one hand)

Repair or replace suspension bracket details.

Too sharp turns

Reduce speed!

The central deterioration

Superfluous pressure

Superfluous pressure in the tyre leads to the accelerated deterioration of the central part of a protector, decrease in coupling with road, to more rigid movement and increase of danger of fatal damage of a slope.

Check up and adjust pressure.

If you had to pump up tyres for transportation of heavy cargoes to specified for this purpose in Specifications of value of pressure, do not forget after that to pit it at transition in a normal mode of operation.

Non-uniform deterioration

Tyres of forward wheels can non-uniformly wear out as a result of infringement of adjustment of corners of installation of wheels. To check up and adjust installation corners it is possible for a moderate payment in the majority шиномонтажных workshops.

Wrong disorder or выбег

Repair or replace suspension bracket details.

Defect of a suspension bracket

Repair or replace suspension bracket details.

Wheels are debalanced

Make balancing of wheels.

Convergence of forward wheels is incorrectly established

Adjust corners of installation of forward wheels.

обтрепанность edges of a pattern of the protector, being a deterioration sign, is better comes to light to the touch.

Turn out a stopper for removal of impellent oil on the pallet картера and completely merge oil

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