Audi A3

Since 1997 of release

Repair and car operation



Audi A3
+ The maintenance instruction
+ Current leaving and service
+ 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
   Replacement of lobbies brake колодок
   Removal and installation of disk brake mechanisms of back wheels
   Check of a thickness of a brake disk
   Removal and installation of a brake disk/support
   Adjustment of a lay brake
   Brake liquid
   Removal of air from brake system
   Removal and installation of a brake hose
   Check of the amplifier of a brake
   Removal, installation and adjustment of the switch of a stoplight
   Removal and installation of the lever and cable of a lay brake
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electroschemes


https://www.youtube.com/channel/UCoah5uA-uF-j35-MalVTfRQ


Replacement of lobbies brake колодок

THE GENERAL DATA

Forward brake mechanisms FS - III

1 – the screw with crosswise шлицем
2 – a brake disk. Replace only completely on all axis. For removal it is necessary to disconnect a support preliminary.
3 – brake Pads. Are replaced necessarily all 4 Pads one axis.
4 – a support
5 – a directing finger, 30 Н•м
6 – a cover
7 – a sealing ring. Necessarily replace.
8 – a brake hose. For replacement колодок it is not necessary to turn on.
9 – a hollow bolt, 35 Н•м
10 – a guard
11 – a bolt, 7 Н•м
12 – the case of the bearing of a wheel
13 – the screw with internal шестигранником, 8 Н•м
14 – the gauge of number of turns ABS. Before installation clear a reception an aperture and grease with greasing AUDI - G000650
15 – the wheel bearing
16 – a lock ring
17 – a nave with a rotor. Instructions: All bolts located outside have an anticorrosive covering. Therefore it is necessary to apply only original spare bolts of fastening.

The forward brake mechanism. A support FN - 3

1 – the screw with crosswise шлицем
2 – a brake disk. Replace only completely with axes. For removal it is necessary to disconnect a support preliminary.
3 – brake Pads. External brake колодка on an underside has the pasted film. After installation Pads the film is necessary for removing. Replace only completely on all axis.
Instructions: Before installation new колодок carefully clear supports of pollution (degrease). Thus will pay special attention on removal of the rests of a film on adjoining surfaces external колодок.
4 – a stopper. Insert into both apertures of the case of a support.
5 – directing. The damaged covers replace. In the repair complete set there is a pillow with greasing. It should be applied to greasing of directing fingers.
6 – the support case
7 – a directing finger, 30 Н•м
8 – a cover
9 – a sealing ring. Necessarily replace.
10 – a brake hose. For replacement колодок it is not necessary to turn on.
11 – a hollow bolt, 35 Н•м
12 – a bolt with edges, 125 Н•м. Before installation clear an adjoining surface and a carving.
13 – a bolt, 7 Н•м
14 – a guard
15 – the case of the bearing of a wheel
16 – the screw with internal шестигранником, 8 Н•м
17 – the gauge of number of turns ABS. Before installation clear a reception an aperture and grease with greasing AUDI - G000650
18 – the wheel bearing
19 – a lock ring
20 – a nave with a rotor. Instructions: All bolts located outside have an anticorrosive covering. Therefore it is necessary to apply only original spare bolts of fastening.

Support FS - III

ATTENTION

All bolts located outside, have an anticorrosive covering. Therefore it is necessary to apply only original spare bolts.
There are two various executions of a brake of a forward wheel. Therefore, using an illustration find out, what execution is established on your car.


REMOVAL


ATTENTION

Brake Pads are object of the control of the General rules of the admission to operation (ABE). Besides, they are intended by manufacturer for installation on certain model of the car. Therefore it is recommended to apply only brake Pads, resolved by the manufacturer.


PERFORMANCE ORDER
1. Mark a paint position of a corresponding forward wheel concerning a nave. It will allow to establish at assemblage отбалансированное a wheel in its former position. Loosen the bolts of fastening of a wheel on the car standing on the earth. Lift a forward part of the car, put it on supports and remove a forward wheel.
ATTENTION

If brake Pads will be established again before removal they are necessary for marking. Shift brake колодок outside inside and on the contrary or from the left wheel on right is not supposed. Necessarily replace simultaneously all Pads a forward wheel even if only one of them has reached a deterioration limit.


2. Remove covers – 1 from both directing fingers. Turn out both directing fingers a face key.
3. Fix a support a wire to a suspension bracket.

ATTENTION

Do not lower a support downwards as it can lead вытягиванию a brake hose.


4. Take out brake Pads.
INSTALLATION
ATTENTION

Do not press a brake pedal at removed колодках. Otherwise the piston will be squeezed out from the case. In this case remove a support in the complete set and insert it into place in conditions HUNDRED.


5. Clear directing surfaces and landing places колодок in mine a rag and spirit. Do not apply for this purpose the solvents containing mineral oils, or the tool with sharp edges.
ATTENTION

To brake clearing apply exclusively spirit.


6. Before installation колодок check up a brake disk, having felt its fingers. At presence задиров a brake disk it is possible to pierce (work HUNDRED) if it has even a sufficient thickness.
7. Measure a thickness of a disk, thus address to subsection Check of a thickness of a brake disk.
8. Check up presence of cracks on dusterе the piston. In the presence of damages duster at once replace, as проникшая the dirt quickly leads to loss of tightness of a support. The support for this purpose should understand (work HUNDRED).
ATTENTION

At considerable deterioration brake колодок check up ease of a piston stroke. For this purpose insert into a support wooden брусок and ask the assistant to press a brake pedal slowly. The piston should move easily in both parties. For check it is necessary to put other support. Pay attention to completely not to squeeze out the piston. At a heavy piston stroke the support is subject to repair (work HUNDRED).


9. By means of the adaptation return the piston back. It can be made also with the help бруска of a tree of firm breeds (the hammer handle). Thus watch that the piston has not warped and not to damage a surface of the piston and dusterа.

ATTENTION

At отжимании the piston, in the tank the brake liquid is squeezed out. Watch liquid receipt in the tank. If necessary remove surpluses.
For отсасывания a brake liquid apply a plastic bottle which intends only for this purpose. Do not apply for this purpose a bottle for a drinking liquid! The brake liquid is poisonous. In no event it is impossible to suck away it a mouth through a hose. Apply to this purpose a siphon. After replacement brake колодок liquid level in a tank should not exceed mark MAX in a tank, since. At heating the brake liquid extends. The following liquid flows down on the brake cylinder, destroying a covering and leading to corrosion.


10. Insert brake Pads in directing a support.
11. Establish a support at first from below (an arrow on an illustration).
ATTENTION

The pin (arrow) of a support should stand behind directing cases of wheel bearings.


12. Fix a support with both directing fingers on the case of wheel bearings the moment
30 Н•м.
13. Establish both covers of fingers.
14. Establish both lobbies of a wheel so that the marks put at removal, have coincided. Wrap bolts of fastening of a wheel. Lower the car on wheels and wrap bolts of fastening of a wheel a cross - crosswise the moment
120 Н•м.
ATTENTION

Some times strongly press a brake pedal so that distinct resistance of a pedal was felt. Thus, Pads will lie down to a brake disk and will take the place.


15. Check up level of a brake liquid in the tank. If necessary add to mark MAX.
16. Cautiously allow to be earned extra new brake колодкам. For this purpose some times brake the car since speed 80 to 40 km/hour, slightly pressing a pedal. Between braking allow to a brake to be cooled.
ATTENTION

After installation new колодок them it is necessary to earn extra. For this purpose at movement on distance of the first 200 km it is not necessary to brake strongly without need the car.
In a number of regions brake Pads should be utilised as a special material. Local authorities should inform drivers on places of the resolved recycling.
Inspect reliability:

– Whether fastenings of brake hoses are reliably tightened?
– Whether the brake hose in the holder is fixed?
– Whether unions of removal of air are tightened?
– Whether it is enough in the tank of a brake liquid?
– At the working engine check up tightness of system. For this purpose press a pedal of a brake effort 200 – 300 Н (20 – 30 kg) during 10 with. The pedal should not depart. Check up on tightness all connections.


Support FN - 3
REMOVAL
ATTENTION

Brake Pads are object of the control of the General rules of the admission to operation (ABE). Besides, they are intended by manufacturer for installation on certain model of the car. Therefore it is recommended to apply only brake Pads, resolved by the manufacturer.


17. Mark a paint position of a corresponding forward wheel concerning a nave. It will allow to establish at assemblage отбалансированное a wheel in its former position. Loosen the bolts of fastening of a wheel on the car standing on the earth. Lift a forward part of the car, put it on supports and remove a forward wheel.
ATTENTION

If brake Pads will be established again before removal they are necessary for marking. Shift brake колодок outside inside and on the contrary or from the left wheel on right is not supposed. Necessarily replace simultaneously all Pads a forward wheel even if only one of them has reached a deterioration limit.


18. Remove covers – 1 from both directing fingers. Turn out both directing fingers a key for internal шестигранника.
19. Hook a screw-driver and remove clamps brake колодок.
20. Turn out both directing fingers from a support.
21. Remove a support and adhere its wire at a body.
ATTENTION

Do not lower a support downwards as it can lead вытягиванию a brake hose.


22. Take out external колодку from a brake board.
23. Take out internal колодку (with a clamp) from the piston.
INSTALLATION
ATTENTION

Do not press a brake pedal at removed колодках. Otherwise the piston will be squeezed out from the case. In this case remove a support in the complete set and insert it into place in conditions HUNDRED.


24. Clear directing surfaces and landing places колодок in mine a rag and spirit. Do not apply for this purpose the solvents containing mineral oils or the tool with sharp edges.
ATTENTION

To brake clearing apply exclusively spirit.


25. Before installation колодок check up a brake disk, having felt its fingers. At presence задиров a brake disk it is possible to pierce (work HUNDRED) if it has even a sufficient thickness.
26. Measure a thickness of a disk, thus address to subsection Check of a thickness of a brake disk.
27. Check up presence of cracks on dusterе the piston. In the presence of damages duster at once replace, as проникшая the dirt quickly leads to loss of tightness of a support. The support for this purpose should understand (work HUNDRED).
ATTENTION

At considerable deterioration brake колодок check up ease of a piston stroke. For this purpose insert into a support wooden брусок and ask the assistant to press a brake pedal slowly. The piston should move easily in both parties. For check it is necessary to put other support. Pay attention to completely not to squeeze out the piston. At a heavy piston stroke the support is subject to repair (work HUNDRED).


28. By means of the adaptation press the piston. It can be made also with the help бруска of a tree of firm breeds (the hammer handle). Thus watch that the piston has not warped and not to damage a surface of the piston and dusterа.

ATTENTION

By pressing the piston in the tank the brake liquid is squeezed out. Watch liquid receipt in the tank. If necessary remove surpluses.
For отсасывания a brake liquid apply a plastic bottle which intends only for this purpose. Do not apply for this purpose a bottle for a drinking liquid! The brake liquid is poisonous. In no event it is impossible to suck away it a mouth through a hose. Apply to this purpose a siphon. After replacement brake колодок liquid level in a tank should not exceed mark MAX in a tank as at heating the brake liquid extends. The following liquid flows down on the brake cylinder, destroying a covering and leading to corrosion.


29. Insert internal brake колодку (with a clamp) into the brake piston.

ATTENTION

Internal brake колодка (with a clamp) has an arrow, thus address to an accompanying illustration. The arrow should specify in a direction of rotation of a brake disk at car movement forward. At wrong installation (on other party of the car) it can lead noise occurrence.


30. Establish on directing external brake колодку.
31. Remove a protective film from a return plate external brake Pads.
32. Establish a support and fix its both directing fingers to directing the moment 30Н•м.
33. Establish both covers of fingers.
34. Insert a clamp – 1 into a support.

ATTENTION

After installation in both apertures the clamp should be pressed under the directing. At wrong installation external колодка despite deterioration it is not established that leads to increase in a course of a pedal.


35. Establish both lobbies of a wheel so that the marks put at removal, have coincided. Wrap bolts of fastening of a wheel. Lower the car on wheels and wrap bolts of fastening of a wheel a cross - crosswise моментом120 Н•м.
ATTENTION

Some times strongly press a brake pedal so that distinct resistance of a pedal was felt. Thus, Pads will lie down to a brake disk and will take the place.


36. Check up level of a brake liquid in the tank. If necessary add to mark MAX.
37. Cautiously allow to be earned extra new brake колодкам. For this purpose some times brake the car since speed 80 to 40 km/hour, slightly pressing a pedal. Between braking allow to be cooled to a brake.
ATTENTION

After installation new колодок them it is necessary to earn extra. For this purpose at movement on distance of the first 200 km it is not necessary to brake strongly without need the car.
In a number of regions brake Pads should be utilised as a special material. Local authorities should inform drivers on places of the resolved recycling.
Inspect reliability:

– Whether fastenings of brake hoses are reliably tightened?
– Whether the brake hose in the holder is fixed?
– Whether unions of removal of air are tightened?
– Whether it is enough in the tank of a brake liquid?
– At the working engine check up tightness of system. For this purpose press a pedal of a brake effort 200 – 300 Н (20 – 30 kg) during 10 with. The pedal should not depart. Check up on tightness all connections.


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