Audi 80/Avant (B4)

since 1991-1995 of release

Repair and car operation

Audi 80/Avant
+ Technical specification
+ Engines
+ System of production of the fulfilled gases
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
+ injection System
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrosystem
+ ignition System
+ Lighting
+ Signalling devices
+ Devices and auxiliary devices
- Heating and ventilation
   Heating and ventilation check
   Heater fan
   Replacement of the dustproof filter
   Heating and ventilation drive
   List of malfunctions
+ body Elements
+ Search of malfunctions
+ Specifications

Replacement of the dustproof filter

Audi orders replacement of 92 g of the dustproof filter established serially since August each 30 000 km.


  1. To separate back sealing laying of a motor compartment.
  2. To open a rotary latch of a cover of a water-proof casing between a motor compartment and a windshield.
  3. To lift a cover of a water-proof casing.
  4. Расфиксировать two latches of the dustproof filter to lift the filter and to disconnect the shtekerny connection being on a reverse side.

 Help: the cars which have not been equipped with the dustproof filter, it is possible to equip additionally easily. For this purpose it is necessary to replace a frame of an admission of air on the right in a water-proof casing under a windshield on big in which the demountable element of the filter will be located. For performance of this work it is necessary to remove screen wipers. Besides, it is necessary to condense well connections between a frame and case metal in order that water did not get to system of heating.

At the left: the dustproof filter (2) can be taken out after removal of a cover of a water-proof casing (1) and an otzhatiya of both latches (arrow).

On the right: the compressor of the conditioner (shooter) at models with the 4-cylinder engine is located below on the right side from the engine.