Audi A4, S4
Introduction
Controls and receptions of safe operation
Current leaving and service
The engine
- Systems of cooling, heating and the air conditioner
Cooling system
Systems of ventilation, heating and air conditioning
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
Suspension bracket and steering
Body
Onboard electric equipment
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Systems of cooling, heating and the air conditioner Specifications
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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 characteristic |
Value |
Design |
Thermosiphon with лопастным the water pump. Thermostatic adjustment. With a separate broad tank. The fan with an electric drive, joins and switched off from the management block |
Cooling liquid |
The mix of soft water and antifreeze (1:1), at such structure is provided frost resistance to-35S |
Antifreeze |
G 012 A8D (red colour) or another, corresponding to norm VW/AUDI-TL-774-D, for example Glysantin-Au-Protect/G30. It is supposed to apply G12 (TL-VW-774-F) lilac colour. Antifreeze G12-lila (lilac) can mix up with antifreeze G12-rot (red). On the 8-cylinder engine - only G12 Plus |
System volume at replacement, l
The characteristic |
Value |
The petrol |
|
6.5 |
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7.0 |
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8.5 |
|
9.0 |
|
12.2 |
The diesel |
|
7.5 |
|
9.0 |
Structure of a cooling liquid
The characteristic |
Value |
Antifreeze share in a cooling liquid for frost resistance maintenance |
To-25S |
40 % |
To-35S |
50 % |
To-40S |
60 % |
The characteristic |
Value |
Pressure in system |
Nearby 1.2 атм. (The exact size is specified on a cover of a broad tank). The cover should maintain pressure within two minutes. |
The thermostat
The characteristic |
Value |
Valve stroke |
Not less than 8 mm |
The opening beginning |
87С |
Full opening |
102С |
Stopper of a broad tank
The characteristic |
Value |
The valve of superfluous pressure opens, атм. |
1.4-1.6 |
On a cover pressure of opening of the valve in атм is resulted. х 100. If, for example, on a cover costs 140/200, it is a question of a two-level cover and pressure of opening of the valve makes 1.4 and 2.0 атм. |
Conditioner coolant
The characteristic |
Value |
Type |
R134a (Do not use R12) |
Volume, гр. |
480-530 |
Refrigerator oil
The characteristic |
Value |
Type |
G 052 300 А2 |
Volume, sm 3 |
18010 |
Efforts of a tightening of carving connections, Nanometer
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 |
The water pump |
Engines 1.6, 1.8, 2.0, 3.0 l |
15 |
Engines of 2.4 l |
10 |
Diesel engines of 2.5 l |
10 |
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