Audi A4, S4

since 2000 release

Repair and operation of the car

Audi A4, S4
+ Introduction
+ Governing bodies and methods of safe operation
- Current leaving and service
   Maintenance approach term indicator
   Schedule of routine maintenance
   General information on control
   Check of levels of liquids, control of leaks
   Check of a condition of tires and pressure in them. Designation of tires and disks of wheels. Rotation and replacement of wheels
   Replacement of motive oil and oil filter
   Checks of brake system. Adjustment of the parking brake
   Check of fuel system
   Check of a state and replacement of hoses of a motive compartment, localization of leaks
   Check of a condition of ridge belts of the streaming drive of auxiliary units
   Check of functioning of the cooling system and frost resistance of cooling liquid
   Check of a condition of system of production of the fulfilled gases
   Check of level of oil of automatic transmission
   Visual control of a box of gear shifting and the main transfer on leaks, check of level and addition of oil
   Check of a state component of a suspension bracket and steering
   Check of a condition of protective covers of power shafts
   Check of level of liquid of system of hydrostrengthening of a wheel
   Check of the air conditioning system
   Greasing of limiters of doors, cylinders of locks, hook of a cowl, movable panel of the hatch of a roof
   Visual control of a seat belt and block of a safety cushion
   Check of operability of headlights and horn
   Check of a state, adjustment and replacement of brushes of screen wipers
   Check of a condition of the battery, care of it and charging
   Replacement of the battery of emergency supply of Telematik system
   Replacement of an element of the filter of air of salon / coal filter of purification of air
   Replacement of brake fluid
   Check and replacement of spark plugs. Check of a condition of high-voltage wires
   Replacement of an element of the air filter of the engine
   Replacement of the fuel filter
   Check of a state and tension of a gear belt
+ 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
+ Body
+ Onboard electric equipment

Replacement of an element of the filter of air of salon / coal filter of purification of air

Replacement is made according to the Schedule of routine maintenance.

The filter element is issued both performed by without, and with a tab of the absorbent carbon which is a smell absorber. Choose the filter according to the catalog of spare parts.



  1. Open a cowl. The filter is at the soaking-up branch pipe of ventilation of salon, under a cover of a water-collecting compartment.
  1. Remove rubber consolidation from a body fold, having taken away it in the direction of an arrow on an accompanying illustration forward.
  1. Uncover (1) water-collecting compartment forward.
  1. Disconnect in clips a cover (In) and remove it forward.
  1. Take out from the case the filter (C).



  1. Insert the new filter so that the arrow (D) on a frame of the filter showed in the direction of an air stream, i.e. from top to down.
  2. Establish a cover (In) so that it was recorded in both points (And) since otherwise water can get on the filter and to the conditioner.
  3. Establish into place a cover of a water-collecting compartment. Establish rubber consolidation on a falets of a body.

If the cover of a water-collecting compartment is established incorrectly, water gets into a heater and into salon.