Audi A4, S4
+ Introduction
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
+ Cooling systems, heating and air conditioner
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
- Suspension bracket and steering
Security measures at work
+ Suspension bracket of forward wheels
+ Suspension bracket of back wheels
+ Corners of installation of wheels of the car
+ Steering and safety cushions
+ Body
+ Onboard electric equipment
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Suspension bracket and steering Specifications
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Separate characteristics are provided also in the text of the Head and in case of obligation of their performance are highlighted in bold type |
General parameters
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Characteristic |
Value |
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Base of wheels, mm |
2650 |
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Track of forward (back) wheels, mm |
1528 (1526) |
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Minimum diameter of a turn, m |
11.1 |
Forward suspension bracket
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Characteristic |
Value |
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Design |
Independent, 4-lever, McPherson's racks with gas-filled shock-absorbers. Stabilizer of cross stability. Aluminum and steel elements are applied |
Back suspension bracket
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Characteristic |
Value |
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Design |
Independent, with the trapezoidal lever and separately installed shock-absorbers. Aluminum and steel elements are applied |
Steering
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Characteristic |
Value |
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Design |
Rack, with the hydraulic booster. A steering column - safety, telescopic, with adjustment of an inclination |
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Power steering liquid |
G 002 000 |
Corners of installation of wheels
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Characteristic |
Value |
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Forward wheels |
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0 °20 '±4' (2.28±0.46 mm) |
- Divergence of wheels at turn on 20 °
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1 °30 '±30' |
- Disorder (is not regulated)
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- 0 °30 '±25' (-0 °47 '±25' on models with a sports suspension bracket) |
- The maximum difference between the parties
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0 °30' |
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Back wheels |
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The convergence (is regulated) |
0 °30 '±10' (3.42±1.14 mm) |
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Disorder (is regulated) |
- 1 °10 '±30' |
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The maximum difference between the parties |
0 °30' |
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Side play of a steering rack and gear wheel of the steering mechanism, mm |
0.04 – 0.08 |
Efforts of a tightening of threaded connections, Nanometer
The moments of a tightening of fixture are given also in the text of the Head and on some illyustratsiyakh*. * The moments of a tightening highlighted in the text in bold type are subject to exact observance; the efforts which are not highlighted in bold type are given only approximately.
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Characteristic |
Value |
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SUSPENSION BRACKET OF FORWARD WHEELS
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Nave
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115nm + 180 ° |
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190nm + 180 ° |
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SUSPENSION BRACKET OF BACK WHEELS
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Nave
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Models with engines of 1.6 l |
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115nm + 180 ° |
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90nm + 180 ° |
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All other models |
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190nm on a poddomkrachenny wheel |
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Lower the car on the earth and hold on on 180 ° |
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Hold on for 90 ° |
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STEERING
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Steering wheel |
50 |
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Nuts of tips of steering drafts |
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|
45 |
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|
50 |
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Lock-nuts of tips of steering drafts |
40 |
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Bolts of wheels |
120 |
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