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
+ 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
   Check of control tools and bulbs
   The combined device
   Indicator of amount of fuel
   Indicator of temperature of cooling liquid
   Auxiliary devices
   Control bulbs above in the combined device
   Control bulb of cooling liquid
   Control bulb of level of brake fluid
   Control bulb of pressure of oil
   Control bulb of indexes of turns
   Control bulbs in devices of a round form (and nearby)
   Control bulb of indexes of turn on the trailer
   Control bulb of ASR
   Control bulb of the lock of ignition
   Control bulb of headlights of a driving beam
   Control bulb of a safety cushion
   Control bulb of ABS
   Control bulb of the parking brake
   Control bulb of a battery charging
   System of autocontrol of the car
   Ignition lock
   Check of switches
   Alarm buzzer of lighting
   The warmed back glass
   Check of screen wipers and windscreen washers
   Engine of screen wipers
   The help at malfunctions
   The gulf of liquid for washing of glasses
   System of washing of headlights
   Adjustment of a mirror with the electric drive
   Central lock
   Window regulators with the electric drive
   Sliding/removable roof with the electric drive
   Radio receiver
   The antenna on back glass
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics

Про ремонт:

Radio receiver

Here the radio receiver is dismantled by means of two unblocking brackets (1 and 2). Unblocking brackets are pressed fixing springs of the radio receiver and entered grooves, at the expense of it the radio receiver is taken out from an assembly opening.

To get access to the fixing screw (2) loudspeakers for reproduction of high frequencies (1), it is necessary to dismantle a door upholstery.

Dismantle of the radio receiver

In Audi A4 the new generation of radio receivers with the wide case is used. In our descriptions we speak about factory installation, it also concerns installation sites of loudspeakers.


  1. Be convinced that have number of a code for installation against unauthorized dismantle.
  2. The radio receiver has to be switched off.
  3. Insert unblocking brackets (sometimes enter a set for installation of the radio receiver) into both a vent below on the frontal decorative panel and take out from grooves.
  4. Take out the radio receiver from the average console.
  5. As a last resort, unblocking works well with the help of two sample plates about 1 mm thick. In this case it is necessary to grasp carefully the radio receiver in openings for cartridges and to take out it from the average console.
  6. Disconnect sockets of food and the antenna.
  7. At installation pay attention to that the fixing pin behind on the radio receiver entered the opening provided for it in a control panel. For this purpose it is necessary to hold the radio receiver absolutely horizontally.
  8. Now press the radio receiver into an assembly opening a little in order that fixing springs entered grooves.
  9. Enter a code against unauthorized dismantle by the instruction for operation.