Audi A4, S4
Introduction
Controls and receptions of safe operation
Current leaving and service
The engine
Systems of cooling, heating and the air conditioner
Power supply systems, release and decrease in toxicity of the fulfilled gases
Systems of an electric equipment of the engine
Manual box of a gear change
Automatic transmission
Coupling, power shafts and differential
- Brake system
   Specifications
   Removal of air from brake system
   Removal and installation of lobbies brake pads
   Removal and installation pads 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
   Removal and installation of the switch of a stoplight
   Removal and installation of a brake hose
Suspension bracket and steering
Body
Onboard electric equipment




Specifications

Separate characteristics are resulted also in the text of the Head and in case of compulsion of their performance are allocated by a bold type

The general parametres

The characteristic

Value

Design

Hydraulic, two-planimetric with diagonal division and the vacuum amplifier. Electronic противозаносная system (stability stabilisation - ESP), the amplifier of emergency braking (BAS) and system of antiblocking of brakes (ABS)

Brake mechanisms

The disk

Forward supports

FN3, С54 or FNR-G60

Back supports

С38 Or С43

Forward brake mechanisms

The characteristic

Value

The general thickness brake pads, mm

14

Limit of deterioration of overlays, mm

2 – 3

Diameter of a brake disk, mm

    FN3

288

    С54

280

    FNR-G60
323

Thickness of a ventilated brake disk/limit of deterioration, mm

    FN3
25/23
    С54
22/20
    FNR-G60
30/28

Thickness of an integral brake disk/limit of deterioration, mm

    FN3
15/13
    С54
13/11

Back brake mechanisms

The characteristic

Value

The general thickness brake pads, mm

    С38

17 (16)

    С43

17.5

Deterioration limit pads, mm

    С38

7

    С43
8

Diameter of a brake disk, mm

    С38
245 (255)
    С43
300

Thickness of a brake disk, mm

    С38
10 (12)
    С43
20

Lay brake, with a drive on back wheels

Diameter of the vacuum amplifier, mm

Efforts of a tightening of carving connections, Hм

The moments of a tightening of fixture are resulted also in the text of the Head and on some иллюстрациях*.

*Выделенные in the text a bold type the tightening moments are subject to exact observance; the efforts not allocated with a bold type are resulted only roughly

The characteristic

Value

Support forward to скобе

    Teves FN3

25

    Lucas C54

30

Two-piston support

25

Support FNR-G60

30

Support back to скобе

35

Скоба to a nave of a forward wheel

190

Скоба to a nave of a back wheel

75

Back plate to a nave of a back wheel

10

Gauges ABS

10

Bolts of wheels

120










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