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
   - Power supply systems of petrol and diesel engines
      The general data and security measures
      Sbrasyvanie pressure in fuel system
      Removal and installation of the fuel pump from the gauge of a stock of fuel
      Removal of air from fuel system (the petrol engine 1.8)
      Removal and installation of the fuel filter
      Removal and installation of the air filter
    System of injection of fuel of the petrol engine
    System of injection of fuel of the diesel engine
    Systems of release and decrease in toxicity of the fulfilled gases. Турбокомпрессор
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




Removal and installation of the air filter

For procedure carrying out on petrol engines address to illustrations:

The air filter. The petrol engine of 1.6 l ALZ

1 — Filtroelement
2 — the Top part of the air filter
3 — the Air line
4 — Consolidation. In the presence of damages replace
5 — the Measuring instrument of weight of air with the gauge of temperature of soaked up air. Tighten bolts the moment 6Нм
6 — the Screw, 2Нм

7 — the Heat-shielding screen
8 — the Support
9 — the Bottom part of the air filter
10 — the Screw, 20нм
11 — Air lines to the forward panel

The air filter. The petrol engine of 2.0 l AWA

1 — the Screw-samorez
2 — the Air line
3 — the Air line. To the forward panel
4 — the Clip
5 — the Sealing ring
6 — the Cover
7 — the Measuring instrument of weight of air

8 — the Connecting hose
9 — the Screw-samorez
10 — the Screw-samorez
11 — the Top part of the air filter
12 — the Element of the air filter
13 — the Bottom part of the air filter

The diesel engine of 1.9 l

Removal

 PERFORMANCE ORDER

    Remove the top cover of the engine and being under it демпфер fluctuations, address to Section Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher.
    Turn out screws (arrows on an accompanying illustration).
    Take out an air line (1) and (2).
    Disunite a socket (1) measuring instruments of weight of air.
    Disconnect a hose of giving of air (2), preliminary having opened a collar.
    Take aside a plait of wires at the case of the air filter and take out the filter case (the marksman on an accompanying illustration).

Installation

 PERFORMANCE ORDER

    Installation is carried out in sequence, return to removal.

The diesel engine of 2.5 l

Removal

 PERFORMANCE ORDER

    Remove the top cover of the engine, address to Section Removal and installation of the top cover of the engine / the bottom protection of an impellent compartment/stretcher.
    Remove the channel suction air (1) to the air filter.
    Uncover (2) air filters.
    Disunite a socket (1).
    Release a collar (2). Disconnect a hose (3) from the case of the air filter. Turn out the screw (4) and take out the case of the air filter.

Installation

 PERFORMANCE ORDER

    Installation is carried out in sequence, return to removal.