Audi A4

since 1994 release

Repair and operation of the car



A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
- Air filter and channels of absorption
   Dismantle of an insert of the air filter
   Purge of an insert of the air filter
   Replacement of an insert of the air filter
   Preliminary heating of the soaked-up air
   The switching inlet collector
+ System of injection
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics





Dismantle of an insert of the air filter

 PERFORMANCE ORDER

  1. Where is, uncover on the air filter.
  2. Remove an airintaking hose from the case of the air filter and expose it in front of the absorption device.
  3. Take out the electromagnetic valve of the coal filter from an arm and put aside; hoses and a wire remain connected.
  4. Naturally aspirated engines: open four coupling collars round the filter case.
  5. Lift a filter case cover – the air hose to a branch pipe of a butterfly valve on the engine remains connected.
  6. Take out a filter insert.
  7. Turbo engine: work only at a cold turbocompressor.
  8. Unscrew the heat-shielding screen.
  9. Take out the thin pipeline from clips.
  10. Weaken a coupler on an air hose and remove it.
  11. Open four coupling collars round the filter case.
  12. Disconnect sockets ahead on temperature sensor (punch a wire coupler), on the terminal cascade of ignition and on the measuring instrument of a stream of fresh air (under a rubber nozzle).
  13. Uncover filter cases.
  14. Take out a filter insert.

Dismantle of the case of the air filter

Dismantle of the air filter of the six-cylinder engine,
1st stage: take out an airintaking hose (3), uncover (4). Then the top detail (2) cases is bared. The bolt "1" unscrews only for dismantle of the case of the filter.


2nd stage: after coupling collars (2–5) are open, it is possible to remove the top detail of the case, and there is available an insert (6) filters. The figure "1" designated a fixing bolt of the case of the air filter here.


 PERFORMANCE ORDER

  1. Dismantle an insert of the air filter (see above).
  2. Weaken a bolt with a six-sided head at a wheel niche.
  3. Take out fixing pins below on the filter case from rubber nozzles on a body.
  4. Remove the case.