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
   Check of indicators and signaling devices
   Elements of a combination of devices
   Indicator of amount of fuel
   The indicator of temperature of cooling liquid
   Voltage stabilizer
   Additional devices
   The top indicators in a combination of devices
   The indicator of cooling liquid
   Indicator of brake system
   Indicator of pressure of oil
   Indicators of indexes of turns
   Bottom indicators
   Indicator of a charge of the storage battery
   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
   Self-examination system
   Ignition lock
   Check of switches
   Buzzer of shutdown of lighting and radio
   Heating of back glass
   Check of screen wipers and stekloomyvatel
   Screen wiper engine
   List of malfunctions
   Screen wiper of back glass
   List of malfunctions
   Replenishment of a tank of a washer of glasses
   System of washing of headlights
   Aerial of back glass
   Electric regulation of external rear-view mirrors
   System of locks with the central management
   Electric window regulators
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications

The indicator of cooling liquid

If the indicator of cooling liquid starts to blink during movement, it is necessary to stop immediately.


  1. To check level of cooling liquid (head cooling System) and if necessary to add cooling liquid or water.
  2. If the engine hot, and level of cooling liquid corresponds to norm, it is necessary to check, whether the electric fan of system of cooling works at the included ignition. If it costs, despite the heated engine, it is necessary to address to the list of malfunctions on the fan of system of cooling (head cooling System).
  3. Last possibility: неиправен one of two sensors of this indicator (see the following section).

Search of malfunctions of the indicator of cooling liquid


  1. Indicator check: at ignition inclusion the indicator of cooling liquid blinks for action check. If it does not occur:
  2. To check the corresponding safety lock (head Body electrosystem).
  3. If it is serviceable, it is necessary to remove a combination of devices, to remove and check the indicator.
  4. If a bulb as it should be, it is necessary to check a wire or to replace the minisystem block.
  5. Check of the temperature sensor in the motor block: if the indicator blinks even at (working) engine cold or having normal working temperature, that, possibly, the temperature sensor is faulty.
  6. To separate the multicontact tip at the temperature sensor: the bulb should go out.
  7. Wire to the indicator of cooling liquid to bring to "weight": the bulb should start blinking again.
  8. If so occurred in both cases, means, the bulb is serviceable; that is the reason should be looked for in the sensor or conducting. Or in the sensor of level of cooling liquid.
  9. Check of the sensor of level of cooling liquid in a broad tank:
  10. The sensor is established from below in a compensatory tank and rigidly connected with it.
  11. If the indicator blinks despite true level of liquid, it is necessary to disconnect a wire from the sensor.
  12. If after that the blinking stops, it is necessary to clear the sensor in a tank or to replace a tank.