Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car

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
+ System of injection
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrical system
+ System of ignition
+ Lighting
+ Signalling devices
- Devices and auxiliary devices
   Check of indicators and signaling devices
   Elements of a combination of devices
   Indicator of amount of fuel
   Indicator of temperature of cooling liquid
   Voltage stabilizer
   Additional devices
   The top indicators in a combination of devices
   Indicator of cooling liquid
   Indicator of brake system
   Oil pressure indicator
   Indicators of indexes of turns
   Lower indicators
   Battery charge indicator
   Indicator of indexes of turn of the trailer
   Safety cushion indicator
   Indicator of anti-blocking system
   Indicator of a driving beam
   Indicator of the parking brake
   System of self-examination
   Ignition lock
   Check of switches
   Buzzer of shutdown of lighting and radio
   Heating of back glass
   Check of screen wipers and windscreen washers
   Screen wiper engine
   List of malfunctions
   Screen wiper of back glass
   List of malfunctions
   Replenishment of a washer reservoir of glasses
   System of washing of headlights
   Audio system
   Antenna of back glass
   Electric regulation of external rear-view mirrors
   System of locks with the central management
   Power windows
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications

Elements of a combination of devices


The disassembled block of a combination of devices, the front view

1 – main plate;
2 – temperature indicator;
3 – speedometer;

4 – digital watch;
5 – adjusting pin.

On the back party of the disassembled block of a combination of devices we designated in figures the following details

1 – the main plate with devices;
2 – the block of indicators with the indicator of external temperature;
3 – panel;

4 – system of minicheck;
5 – regulator of lighting of devices.

The system of minicheck (1) represents own constructive group and is attached behind on the block of a combination of devices (2) three screws with crosswise shliyets.

The system of self-examination (1) is also simply fastened behind on the block of a combination of devices (2). The on-board computer at the corresponding additional equipment is in the same way attached.

In our description we adhere to the combination of VDO devices which is the most often established on Audi:

Without disassembling the panel of a combination of devices, it is possible to remove the following elements from a reverse side:

  • Indicators (control lamps): glow lamps of indicators in Audi are strong sealed in the cartridges and they can be got only as a unit. Upon purchase of a spare bulb pay attention to color of the boss: 1,1-watt, 1,2-watt and 2-watt lamps with variously painted cartridges are established. For removal it is necessary to turn a cartridge on a quarter of a turn to the left and to extend.
  • Illumination of scales: watch "Indicators".
  • Air temperature indicator: to turn out two screws with crosswise shliyets on the indicator block, then two more at the plug.
  • Voltage stabilizer: to unscrew one screw with crosswise shliyets, to extend knot from its shtekerny connections.
  • System of minicheck (the indicator block for temperature of cooling liquid, brakes and pressure of oil): to weaken screws with crosswise shliyets, to extend the group device from shtekerny contacts.
  • System of self-examination: as system of minicheck.
  • On-board computer: as system of minicheck.
  • The adjusting resistor for illumination of scales: to turn out two six-sided nuts, to remove adjusting the resistor.
    After dismantling of a combination of devices (for this purpose to remove the adjusting resistor for illumination of scales and system of minicheck or system of self-examination or the on-board computer after that to turn out 11 combined six-sided/star-shaped screws or screws with crosswise shliyets outside on a reverse side of the device) there are available following elements.
  • Speedometer: to turn out four screws with crosswise shliyets on a reverse side.
  • Hours with the ordinary dial: if necessary to remove the indicator of temperature of cooling liquid (see below), to remove case part.
  • Tachometer: to turn out three screws on a reverse side of the device.
  • Digital watch: to remove a tachometer. To turn out two small shlitsevy screws on a digital watch and to extend the hours ahead. To Rasfiksirovat an adjusting pin of a digital watch and carefully to take out.
  • Indicator of amount of fuel or indicator of temperature: to turn out on a reverse side on two six-sided nuts. To take out forward part of the case from fixing hooks.